1: 1: 1: 1: LAB 答案: DLswitch#conf DLswitch#conf DLswitch#conf DLswitch#conf t DLswitch(config)#vtp DLswitch(config)#vtp DLswitch(config)#vtp DLswitch(config)#vtp mode mode mode mode server server server server DLswitch(config)#vtp DLswitch(config)#vtp DLswitch(config)#vtp DLswitch(config)#vtp domain domain domain domain CISCO CISCO CISCO CISCO DLswitch(config)#vlan DLswitch(config)#vlan DLswitch(config)#vlan DLswitch(config)#vlan 20 20 20 20 DLswitch(config)#vlan DLswitch(config)#vlan DLswitch(config)#vlan DLswitch(config)#vlan 21 21 21 21 DLswitch(config)#int DLswitch(config)#int DLswitch(config)#int DLswitch(config)#int vlan vlan vlan vlan 20 20 20 20 DLswitch(if-config)#ip DLswitch(if-config)#ip DLswitch(if-config)#ip DLswitch(if-config)#ip add add add add 172.64.200.1 172.64.200.1 172.64.200.1 172.64.200.1 255.255.255.0 255.255.255.0 255.255.255.0 255.255.255.0 DLswitch(if-config)#no DLswitch(if-config)#no DLswitch(if-config)#no DLswitch(if-config)#no shut shut shut shut DLswitch(if-config)#int DLswitch(if-config)#int DLswitch(if-config)#int DLswitch(if-config)#int vlan vlan vlan vlan 21 21 21 21 DLswitch(if-config)#ip DLswitch(if-config)#ip DLswitch(if-config)#ip DLswitch(if-config)#ip add add add add 192.162.39.1 192.162.39.1 192.162.39.1 192.162.39.1 255.255.255.0 255.255.255.0 255.255.255.0 255.255.255.0 DLswitch(if-config)#no DLswitch(if-config)#no DLswitch(if-config)#no DLswitch(if-config)#no shut shut shut shut DLswitch(if-config)#end DLswitch(if-config)#end DLswitch(if-config)#end DLswitch(if-config)#end DLswitch#ip DLswitch#ip DLswitch#ip DLswitch#ip routing routing routing routing DLswitch#copy DLswitch#copy DLswitch#copy DLswitch#copy run run run run start start start start ALswitch#conf ALswitch#conf ALswitch#conf ALswitch#conf t ALswitch(config)#vtp ALswitch(config)#vtp ALswitch(config)#vtp ALswitch(config)#vtp mode mode mode mode client client client client ALswitch(config)#vtp ALswitch(config)#vtp ALswitch(config)#vtp ALswitch(config)#vtp domain domain domain domain CISCO CISCO CISCO CISCO ALswitch(config)#end ALswitch(config)#end ALswitch(config)#end ALswitch(config)#end ALswitch#copy ALswitch#copy ALswitch#copy ALswitch#copy run run run run start start start start
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1:1:1:1:
LAB
答案:::: DLswitch#confDLswitch#confDLswitch#confDLswitch#conf ttttDLswitch(config)#vtpDLswitch(config)#vtpDLswitch(config)#vtpDLswitch(config)#vtp modemodemodemode serverserverserverserverDLswitch(config)#vtpDLswitch(config)#vtpDLswitch(config)#vtpDLswitch(config)#vtp domaindomaindomaindomain CISCOCISCOCISCOCISCODLswitch(config)#vlanDLswitch(config)#vlanDLswitch(config)#vlanDLswitch(config)#vlan 20202020DLswitch(config)#vlanDLswitch(config)#vlanDLswitch(config)#vlanDLswitch(config)#vlan 21212121DLswitch(config)#intDLswitch(config)#intDLswitch(config)#intDLswitch(config)#int vlanvlanvlanvlan 20202020DLswitch(if-config)#ipDLswitch(if-config)#ipDLswitch(if-config)#ipDLswitch(if-config)#ip addaddaddadd 172.64.200.1172.64.200.1172.64.200.1172.64.200.1 255.255.255.0255.255.255.0255.255.255.0255.255.255.0DLswitch(if-config)#noDLswitch(if-config)#noDLswitch(if-config)#noDLswitch(if-config)#no shutshutshutshutDLswitch(if-config)#intDLswitch(if-config)#intDLswitch(if-config)#intDLswitch(if-config)#int vlanvlanvlanvlan 21212121DLswitch(if-config)#ipDLswitch(if-config)#ipDLswitch(if-config)#ipDLswitch(if-config)#ip addaddaddadd 192.162.39.1192.162.39.1192.162.39.1192.162.39.1 255.255.255.0255.255.255.0255.255.255.0255.255.255.0DLswitch(if-config)#noDLswitch(if-config)#noDLswitch(if-config)#noDLswitch(if-config)#no shutshutshutshutDLswitch(if-config)#endDLswitch(if-config)#endDLswitch(if-config)#endDLswitch(if-config)#endDLswitch#ipDLswitch#ipDLswitch#ipDLswitch#ip routingroutingroutingroutingDLswitch#copyDLswitch#copyDLswitch#copyDLswitch#copy runrunrunrun startstartstartstart
ALswitch#confALswitch#confALswitch#confALswitch#conf ttttALswitch(config)#vtpALswitch(config)#vtpALswitch(config)#vtpALswitch(config)#vtp modemodemodemode clientclientclientclientALswitch(config)#vtpALswitch(config)#vtpALswitch(config)#vtpALswitch(config)#vtp domaindomaindomaindomain CISCOCISCOCISCOCISCOALswitch(config)#endALswitch(config)#endALswitch(config)#endALswitch(config)#endALswitch#copyALswitch#copyALswitch#copyALswitch#copy runrunrunrun startstartstartstart
2:2:2:2:
Which three are characteristics of IPv6? (Choose three.)
A.A.A.A.An IPv6 address is 128 bits long.
B.B.B.B.An IPv6 header is 20 bits long.
C.C.C.C.An IPv6 header contains the next header field.
D.D.D.D.An IPv6 header contains the protocol field.
E.E.E.E.IPv6 routers send RAmessages.
F.F.F.F.An IPv6 header contains the header checksum field.
答案:::: AAAA CCCC EEEE
3:3:3:3:
Refer to the exhibit.
Which command will create a default route on Router B to reach all networks beyond router A?
A.A.A.A.ip route 0.0.0.0 0.0.0.0 192.168.2.2
B.B.B.B.ip route 192.168.1.0 255.255.255.0 192.168.2.1
C.C.C.C.ip route 192.168.1.0 255.255.255.0 s0/0/0
D.D.D.D.ip route 10.0.0.0 255.255.255.0 s0/0/0
E.E.E.E.ip route 0.0.0.0 255.255.255.0 192.168.2.2
答案:::: AAAA
4:4:4:4:
Which three restrictions apply to OSPF stub areas? (Choose three.)
A.A.A.A.No virtual links are allowed.
B.B.B.B.The area cannot be a backbone area.
C.C.C.C.Redistribution is not allowed unless the packet is changed to a type 7 packet.
D.D.D.D.The area has no more than 10 routers.
E.E.E.E.No autonomous system border routers are allowed.
F.F.F.F.Interarea routes are suppressed.
答案:::: AAAA BBBB EEEE
5:5:5:5:
What is a characteristic of a static VLAN membership assignment?
A.A.A.A.VMPS server lookup
B.B.B.B.easy to configure
C.C.C.C.ease of adds, moves, and changes
D.D.D.D.based on MAC address of the connected device
答案:::: BBBB
6:6:6:6:
Refer to the exhibit. Both host stations are part of the same subnet but are in different VLANs. Onthe basis of the information presented in the exhibit, which statement is true about an attempt toping from host to host?
A.A.A.A.A trunk port will need to be configured on the link between Sw_A and Sw_B for the pingcommand to be successful.
B.B.B.B.The two different hosts will need to be in the same VLAN in order for the ping command to besuccessful.
C.C.C.C.A Layer 3 device is needed for the ping command to be successful.
D.D.D.D.The ping command will be successful without any further configuration changes.
答案:::: DDDD
7:7:7:7:
LAB
答案:::: ASW1(config)#aaaASW1(config)#aaaASW1(config)#aaaASW1(config)#aaa new-modelnew-modelnew-modelnew-model
ASW1(config)#radius-serverASW1(config)#radius-serverASW1(config)#radius-serverASW1(config)#radius-server hosthosthosthost 172.120.39.46172.120.39.46172.120.39.46172.120.39.46 keykeykeykey rad123rad123rad123rad123ASW1(config)#aaaASW1(config)#aaaASW1(config)#aaaASW1(config)#aaa authenticationauthenticationauthenticationauthentication dot1xdot1xdot1xdot1x defaultdefaultdefaultdefault groupgroupgroupgroup radiusradiusradiusradiusASW1(config)#dot1xASW1(config)#dot1xASW1(config)#dot1xASW1(config)#dot1x system-auth-controlsystem-auth-controlsystem-auth-controlsystem-auth-controlASW1(config)#interASW1(config)#interASW1(config)#interASW1(config)#inter fastEthernetfastEthernetfastEthernetfastEthernet 0/10/10/10/1ASW1(config-if)#swithcportASW1(config-if)#swithcportASW1(config-if)#swithcportASW1(config-if)#swithcport modemodemodemode accessaccessaccessaccessASW1(config-if)#dot1xASW1(config-if)#dot1xASW1(config-if)#dot1xASW1(config-if)#dot1x port-controlport-controlport-controlport-control autoautoautoautoASW1(config-if)#exitASW1(config-if)#exitASW1(config-if)#exitASW1(config-if)#exitASW1#copyASW1#copyASW1#copyASW1#copy runrunrunrun startstartstartstart
DSW1(config)#ipDSW1(config)#ipDSW1(config)#ipDSW1(config)#ip access-listaccess-listaccess-listaccess-list standardstandardstandardstandard 10101010DSW1(config-ext-nacl)#permitDSW1(config-ext-nacl)#permitDSW1(config-ext-nacl)#permitDSW1(config-ext-nacl)#permit ipipipip 172.120.40.0172.120.40.0172.120.40.0172.120.40.0 0.0.0.2550.0.0.2550.0.0.2550.0.0.255DSW1(config-ext-nacl)#exitDSW1(config-ext-nacl)#exitDSW1(config-ext-nacl)#exitDSW1(config-ext-nacl)#exitDSW1(config)#vlanDSW1(config)#vlanDSW1(config)#vlanDSW1(config)#vlan access-mapaccess-mapaccess-mapaccess-map PASSPASSPASSPASS 10101010DSW1(config-access-map)#matchDSW1(config-access-map)#matchDSW1(config-access-map)#matchDSW1(config-access-map)#match ipipipip addressaddressaddressaddress 10101010DSW1(config-access-map)#actionDSW1(config-access-map)#actionDSW1(config-access-map)#actionDSW1(config-access-map)#action forwardforwardforwardforwardDSW1(config-access-map)#exitDSW1(config-access-map)#exitDSW1(config-access-map)#exitDSW1(config-access-map)#exitDSW1(config)#vlanDSW1(config)#vlanDSW1(config)#vlanDSW1(config)#vlan access-mapaccess-mapaccess-mapaccess-map PASSPASSPASSPASS 20202020DSW1(config-access-map)#actionDSW1(config-access-map)#actionDSW1(config-access-map)#actionDSW1(config-access-map)#action dropdropdropdropDSW1(config-access-map)#exitDSW1(config-access-map)#exitDSW1(config-access-map)#exitDSW1(config-access-map)#exitDSW1(config)#vlanDSW1(config)#vlanDSW1(config)#vlanDSW1(config)#vlan filterfilterfilterfilter PASSPASSPASSPASS vlan-listvlan-listvlan-listvlan-list 40404040DSW1#copyDSW1#copyDSW1#copyDSW1#copy runrunrunrun startstartstartstart
8:8:8:8:
Which VTP information does a Catalyst switch advertise on its trunk ports when using VTP?(Choose two.)
A.A.A.A.VTP mode
B.B.B.B.STP root status
C.C.C.C.negotiation status
D.D.D.D.management domain
E.E.E.E.configuration revision number
答案:::: DDDD EEEE
9:9:9:9:
Refer to the exhibit. What is the correct output of the command show ip route on router R2?
A.A.A.A.R2# show ip route
<output omitted>10.0.0.0/8 is variably subnetted, 6 subnets, 2 masksi L1 10.200.200.14/32 [115/20] via 10.1.2.4, Serial1/0i L2 10.200.200.13/32 [115/30] via 10.1.0.1, Serial1/1i L1 10.1.3.0/24 [115/20] via 10.1.2.4, Serial1/0i L1 10.1.2.0/24 is directly connected, Serial1/0i L2 10.1.1.0/24 [115/20] via 10.1.0.1, Serial1/1i L2 10.1.0.0/24 is directly connected, Serial1/1
B.B.B.B.R2# show ip route<output omitted>10.0.0.0/8 is variably subnetted, 6 subnets, 2 masksi L2 10.200.200.14/32 [115/20] via 10.1.2.4, Serial1/0i L2 10.200.200.13/32 [115/30] via 10.1.0.1, Serial1/1i L1 10.1.3.0/24 [115/20] via 10.1.2.4, Serial1/0C 10.1.2.0/24 is directly connected, Serial1/0i L2 10.1.1.0/24 [115/20] via 10.1.0.1, Serial1/1C 10.1.0.0/24 is directly connected, Serial1/1
C.C.C.C.R2# show ip route<output omitted>10.0.0.0/8 is variably subnetted, 6 subnets, 2 masksi L1 10.200.200.14/32 [115/20] via 10.1.2.4, Serial1/0i L2 10.200.200.13/32 [115/30] via 10.1.0.1, Serial1/1i L1 10.1.3.0/24 [115/20] via 10.1.2.4, Serial1/0C 10.1.2.0/24 is directly connected, Serial1/0i L2 10.1.1.0/24 [115/20] via 10.1.0.1, Serial1/1C 10.1.0.0/24 is directly connected, Serial1/1
D.D.D.D.R2# show ip route <output omitted>10.0.0.0/8 is variably subnetted, 7 subnets, 3 masksi L1 10.200.200.14/32 [115/20] via 10.1.2.4, Serial1/0i L2 10.200.200.13/32 [115/30] via 10.1.0.1, Serial1/1i L1 10.1.3.0/24 [115/20] via 10.1.2.4, Serial1/0C 10.1.2.0/24 is directly connected, Serial1/0i su 10.1.2.0/23 [115/10] via 0.0.0.0, Null0C 10.1.0.0/24 is directly connected, Serial1/1i L2 10.1.0.0/23 [115/20] via 10.1.0.1, Serial1/1
E.E.E.E.R2# show ip route
<output omitted>10.0.0.0/8 is variably subnetted, 6 subnets, 2 masksi L1 10.200.200.14/32 [115/20] via 10.1.2.4, Serial1/0i L1 10.200.200.13/32 [115/30] via 10.1.2.4, Serial1/0[115/30] via 10.1.0.1, Serial1/1i L1 10.1.3.0/24 [115/20] via 10.1.2.4, Serial1/0C 10.1.2.0/24 is directly connected, Serial1/0i L1 10.1.1.0/24 [115/20] via 10.1.0.1, Serial1/1C 10.1.0.0/24 is directly connected, Serial1/1
答案:::: CCCC
10:10:10:10:
Refer to the exhibit. EIGRP has been configured on all routers in the network. What additionalconfiguration statement should be included on router R4 to advertise a default route to itsneighbors?
A.A.A.A.R4(config)# ip default-network 10.0.0.0
B.B.B.B.R4(config)# ip route 0.0.0.0 0.0.0.0 10.1.1.1
C.C.C.C.R4(config)# ip route 10.0.0.0 255.0.0.0 10.1.1.1
D.D.D.D.R4(config-router)# default-information originate
答案:::: AAAA
11:11:11:11:
LAB
答案:::: VirtualVirtualVirtualVirtual linklinklinklink configurationconfigurationconfigurationconfiguration onononon R2R2R2R2 andandandand R3R3R3R3
R2R2R2R2
ipv6ipv6ipv6ipv6 routerrouterrouterrouter ospfospfospfospf 1111areaareaareaarea 11111111 virtual-linkvirtual-linkvirtual-linkvirtual-link 3.3.3.33.3.3.33.3.3.33.3.3.3exitexitexitexitcopycopycopycopy runrunrunrun startstartstartstart
R3R3R3R3
ipv6ipv6ipv6ipv6 routerrouterrouterrouter ospfospfospfospf 1111areaareaareaarea 11111111 virtual-linkvirtual-linkvirtual-linkvirtual-link 2.2.2.22.2.2.22.2.2.22.2.2.2exitexitexitexitcopycopycopycopy runrunrunrun startstartstartstart
12:12:12:12:
LAB
答案:::: DSW1>DSW1>DSW1>DSW1> enableenableenableenableDSW1#DSW1#DSW1#DSW1# confconfconfconf ttttDSW1(config)#DSW1(config)#DSW1(config)#DSW1(config)# spanning-treespanning-treespanning-treespanning-tree vlanvlanvlanvlan 20202020 prioritypriorityprioritypriority 61440614406144061440DSW1(config)#DSW1(config)#DSW1(config)#DSW1(config)# intintintint g1/0/6g1/0/6g1/0/6g1/0/6DSW1(config-if)#DSW1(config-if)#DSW1(config-if)#DSW1(config-if)# swswswsw trunktrunktrunktrunk allowallowallowallow vlanvlanvlanvlan 30303030DSW1(config-if)#DSW1(config-if)#DSW1(config-if)#DSW1(config-if)# nononono shutdownshutdownshutdownshutdownDSW1(config-if)#DSW1(config-if)#DSW1(config-if)#DSW1(config-if)# intintintint g1/0/5g1/0/5g1/0/5g1/0/5DSW1(config-if)#DSW1(config-if)#DSW1(config-if)#DSW1(config-if)# swswswsw trunktrunktrunktrunk allowallowallowallow vlanvlanvlanvlan 40404040DSW1(config-if)#DSW1(config-if)#DSW1(config-if)#DSW1(config-if)# nononono shutdownshutdownshutdownshutdownDSW1(config-if)#DSW1(config-if)#DSW1(config-if)#DSW1(config-if)# endendendendDSW1#DSW1#DSW1#DSW1# copycopycopycopy runrunrunrun startstartstartstart
13:13:13:13:
Which show command will display only the Type 5 LSAs in the OSPF topology database?
A.A.A.A.show ip route
B.B.B.B.show ip route ospf
C.C.C.C.show ip ospf database summary
D.D.D.D.show ip ospf database nssa-external
E.E.E.E.show ip ospf database external
答案:::: EEEE
14:14:14:14:
Refer to the exhibit. Router A has interfaces with addresses 192.168.1.1 and 172.16.1.1. Router B,which is connected to router A over a serial link, has interfaces with address 172.16.1.2 and10.1.1.2.
Which sequence of commands will configure RIPv2 on router B?
答案:::: AAAA
15:15:15:15:
Which two statements are true about voice VLANs? (Choose two.)
A.A.A.A.Voice VLANs allow IP phones to be moved around without worrying about subnets.
B.B.B.B.Voice VLANs allow voice and data packets to be logically combined.
C.C.C.C.Implementing voice VLANs causes network administrators to change their existing IP topology.
D.D.D.D.Using voice VLANs makes it easier for network administrators to identify and troubleshootnetwork problems.
E.E.E.E.Voice VLANs are available on all Cisco switches.
答案:::: AAAA DDDD
16:16:16:16:
Which two provide intra-area routing services? (Choose two.)
A.A.A.A.L1 IS
B.B.B.B.L1 ES
C.C.C.C.L2 IS
D.D.D.D.L2 ES
E.E.E.E.L1/L2 IS
答案:::: AAAA EEEE
17:17:17:17:
LAB
答案:::: R3#confR3#confR3#confR3#conf ttttR3(config)#routerR3(config)#routerR3(config)#routerR3(config)#router eigrpeigrpeigrpeigrp 123123123123R3(config-router)#noR3(config-router)#noR3(config-router)#noR3(config-router)#no eigrpeigrpeigrpeigrp stubstubstubstub recieve-onlyrecieve-onlyrecieve-onlyrecieve-onlyR3(config-router)#eigrpR3(config-router)#eigrpR3(config-router)#eigrpR3(config-router)#eigrp stubstubstubstubR3(config-router)#endR3(config-router)#endR3(config-router)#endR3(config-router)#endR3#copyR3#copyR3#copyR3#copy runrunrunrun startstartstartstart
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
R4>enableR4>enableR4>enableR4>enableR4#confR4#confR4#confR4#conf ttttR4(config)#intR4(config)#intR4(config)#intR4(config)#int S0/0S0/0S0/0S0/0R4(config-if)#ipR4(config-if)#ipR4(config-if)#ipR4(config-if)#ip summary-addresssummary-addresssummary-addresssummary-address eigrpeigrpeigrpeigrp 123123123123 10.2.3.010.2.3.010.2.3.010.2.3.0 255.0.0.0255.0.0.0255.0.0.0255.0.0.0R4(config-if)#ipR4(config-if)#ipR4(config-if)#ipR4(config-if)#ip summary-addresssummary-addresssummary-addresssummary-address eigrpeigrpeigrpeigrp 123123123123 10.2.2.010.2.2.010.2.2.010.2.2.0 255.0.0.0255.0.0.0255.0.0.0255.0.0.0
R4(config-if)#noR4(config-if)#noR4(config-if)#noR4(config-if)#no shutdownshutdownshutdownshutdownR4(config-if)#endR4(config-if)#endR4(config-if)#endR4(config-if)#endR4#copyR4#copyR4#copyR4#copy runrunrunrunR4#showR4#showR4#showR4#show ipipipip routerouterouteroute
18:18:18:18:
Refer to the exhibit. What radio button option on the Aironet Desktop Utility (ADU) Security tabincludes the option of Advanced Encryption Standard (AES) and Extensible AuthenticationProtocol-Flexible Authentication via Secure Tunneling?
A.A.A.A.WPA/WPA2/CCKM
B.B.B.B.WPA/WPA2 Passphrase
C.C.C.C.802.1x
D.D.D.D.Pre-Shared Key (Static WEP)
答案:::: AAAA
19:19:19:19:
Which protocol enables a group of routers to form a single virtual router and use the real IPaddress of a router as the gateway address?
A.A.A.A.Proxy ARP
B.B.B.B.HSRP
C.C.C.C.IRDP
D.D.D.D.VRRP
E.E.E.E.GLBP
答案:::: DDDD
20:20:20:20:
In a customer's network, VLAN Trunking Protocol (VTP) is running with a domain named main1.VLANs 1,2,3,4,5,10,20 are active on the network. Suddenly the whole network goes down. Notraffic is being passed on VLANs 2,3,4,5,10,20, however traffic passes on VLAN 1 and indicatesall switches are operational. Right before the network problem occurred, a switch named TEST1was added to the network. What three conditions must exist on TEST1 to cause this networkoutage? (Choose three.)
A.A.A.A.TEST1 is configured as a VTP server with a different domain name.
B.B.B.B.TEST1 is not configured to participate in VTP.
C.C.C.C.TEST1 is configured as a VTP server with the domain name main1.
D.D.D.D.TEST1 has a lower VTP configuration revision than the current VTP revision.
E.E.E.E.TEST1 has a higher VTP configuration revision than the current VTP revision.
F.F.F.F.TEST1 is configured with only VLAN1.
答案:::: CCCC EEEE FFFF
21:21:21:21:
Refer to the exhibit. The lightweight wireless architecture splits the processing of the 802.11 dataand management protocols and the access point functionality between the access point and theWLAN controller using split MAC approach. Which three functionalities are handled by theWLAN controller? (Choose three.)
A.A.A.A.the transmission of beacon frames
B.B.B.B.the portions of the protocol that have real-time requirements
C.C.C.C.the response to Probe Request frames from clients
D.D.D.D.802.11 authentication
E.E.E.E.802.11 association and re-association (mobility)
F.F.F.F.802.11 frame translation and bridging
答案:::: DDDD EEEE FFFF
22:22:22:22:
LAB
答案:::: Blockade(config)#Blockade(config)#Blockade(config)#Blockade(config)# routerrouterrouterrouter isisisisisisisisBlockade(config-router)#Blockade(config-router)#Blockade(config-router)#Blockade(config-router)# redistributeredistributeredistributeredistribute eigrpeigrpeigrpeigrp 100100100100 level-1level-1level-1level-1 metricmetricmetricmetric 50505050Blockade(config)#Blockade(config)#Blockade(config)#Blockade(config)# routerrouterrouterrouter eigrpeigrpeigrpeigrp 100100100100Blockade(config-router)#Blockade(config-router)#Blockade(config-router)#Blockade(config-router)# redistributeredistributeredistributeredistribute isisisisisisisis level-1level-1level-1level-1 metricmetricmetricmetric 512512512512 10101010 255255255255 1111 1500150015001500Blockade(config-router)#Blockade(config-router)#Blockade(config-router)#Blockade(config-router)# redistributeredistributeredistributeredistribute connectedconnectedconnectedconnectedBlockade#Blockade#Blockade#Blockade# copycopycopycopy runrunrunrun startstartstartstart
23:23:23:23:
Refer to the exhibit. A network associate needs to configure the switches and router in the graphicso that the hosts in VLAN3 and VLAN4 can communicate with the enterprise server in VLAN2.Which two Ethernet segments would need to be configured as trunk links? (Choose two.)
A.A.A.A.A
B.B.B.B.B
C.C.C.C.C
D.D.D.D.D
E.E.E.E.E
F.F.F.F.F
答案:::: CCCC FFFF
24:24:24:24:
What are the basic configuration steps to enable IS-IS?
A.A.A.A.Configure the net system-id command under router isis and enable IS-IS on each interface withthe ip router isis command.
B.B.B.B.Configure the network net-id command(s) under router isis and enable IS-IS on each interface
with the ip router isis command.
C.C.C.C.Configure the network net-id command(s) and the is-type level-1-2 command under router isis.
D.D.D.D.Configure the net system-id and the network net-id commands under router isis.
E.E.E.E.Configure the net system-id and the network net-id commands under router isis and enable IS-ISon each interface with the ip router isis command.
答案:::: AAAA
25:25:25:25:
Which three IP multicast address related statements are true? (Choose three.)
A.A.A.A.Multicast addresses 224.0.0.0 through 224.0.0.255 are always forwarded because they aretransmitted with Time to Live (TTL) greater than 1.
B.B.B.B.Multicast addresses 224.0.0.5 and 224.0.0.6 are source multicast addresses for OSPF routers.
C.C.C.C.Multicast addresses 224.0.0.13 and 224.0.0.22 are reserved link-local addresses used by PIMv2and IGMPv3.
D.D.D.D.Because they would map to overlapping IP multicast MAC addresses, multicast addresses224.0.1.1 and 238.1.1.1 could not be used together.
E.E.E.E.Multicast address 224.0.1.1 has been reserved for the Network Time Protocol (NTP) by the IANA.
F.F.F.F.The administratively scoped multicast addresses 239.0.0.0 through 239.255.255.255 are similar inpurpose to RFC 1918 private unicast addresses.
答案:::: CCCC EEEE FFFF
26:26:26:26:
Which two statements about a wireless repeater topology are true? (Choose two.)
A.A.A.A.A wireless repeater is an access point that is not connected to the wired LAN.
B.B.B.B.The repeater feature is only available in lightweight access point topologies.
C.C.C.C.The SSID of the root access point must be configured on the repeater access point.
D.D.D.D.This topology requires a 10 - 15 percent overlap between a wired access point and the wirelessrepeater.
E.E.E.E.This topology requires a 15 - 25 percent overlap between a wired access point and the wirelessrepeater.
F.F.F.F.To avoid interference, the repeater access point must use a different channel from what the rootaccess point uses.
答案:::: AAAA CCCC
27:27:27:27:
A Cisco Aironet Wireless LAN Adapter CB21AG is inserted into a PC cardbus slot. Both thegreen status LED and the amber activity LED are blinking slowly. What is the condition of theadapter?
A.A.A.A.The adapter is not receiving power.
B.B.B.B.The adapter is in power save mode.
C.C.C.C.The adapter is scanning for the wireless network for which it is configured.
D.D.D.D.The adapter is associated to an access point or another client.
E.E.E.E.
The adapter is transmitting or receiving data while associated to an access point or another client.
答案:::: DDDD
28:28:28:28:
Refer to the exhibit. Routers RTA and RTB are running BGP but the session is active. Whatcommand needs to be added to establish the BGP session?
A.A.A.A.ip route 10.10.10.1 255.255.255.255 s0/0ip route 10.10.10.1 255.255.255.255 s0/1
B.B.B.B.network 10.10.10.0
C.C.C.C.neighbor 10.10.10.1 next-hop-self
D.D.D.D.no synchronization
答案:::: AAAA
29:29:29:29:
Which three components are included in the Cisco autonomous WLAN solution? (Choose three.)
A.A.A.A.Wireless LAN Solution Engine (WLSE)
B.B.B.B.Access Control Server (ACS)
C.C.C.C.Wireless Control System (WCS)
D.D.D.D.Wireless Services Module (WiSM)
E.E.E.E.Wireless Domain Services (WDS)
F.F.F.F.Lightweight Access Point Protocol (LWAPP)
答案:::: AAAA BBBB EEEE
30:30:30:30:
Refer to the exhibit. On the basis of the information in the exhibit, which two statements are true?(Choose two.)
A.A.A.A.The output was generated by entering the show ip bgp command on the ISP router.
B.B.B.B.The output was generated by entering the show ip bgp command on the SanJose1 router.
C.C.C.C.The serial 0/0/1 interface on the ISP router has been configured with the set metric 50 command.
D.D.D.D.The serial 0/0/1 interface on the ISP router has been configured with the set metric 75 command.
E.E.E.E.When traffic is sent from the ISP to autonomous system 64512, the traffic will be forwarded toSanJose1 because of the lower MED value of SanJose1.
F.F.F.F.When traffic is sent from the ISP to autonomous system 64512, the traffic will be forwarded to
SanJose2 because of the higher MED value of SanJose2.
答案:::: AAAA EEEE
31:31:31:31:
A network administrator assigns a multicast address of 239.255.8.5 to an application running on adevice with an Ethernet MAC address of 01.b2.7d.05.f1.80. Which Layer 2 multicast address willthis device use?
A.A.A.A.01.00.5e.7F.08.05
B.B.B.B.01.b2.7d.05.f1.80
C.C.C.C.01.b2.7d.0a.08.05
D.D.D.D.01.00.5e.05.f1.80
E.E.E.E.ff.ff.ff.ff.ff.ff
答案:::: AAAA
32:32:32:32:
Refer to the exhibit. Why does the trust state of interface FastEthernet 0/3 show "not trusted"?
A.A.A.A.DSCP map needs to be configured for VOIP.
B.B.B.B.
ToS has not been configured.
C.C.C.C.ToS has been misconfigured.
D.D.D.D.The command mls qos needs to be turned on in global configuration mode.
E.E.E.E.There is not a Cisco Phone attached to the interface.
答案:::: EEEE
33:33:33:33:
Refer to the exhibit. The command spanning-tree guard root is configured on interface Gi0/0 onboth switch S2 and S5. The global configuration command spanning-tree uplinkfast has beenconfigured on both switch S2 and S5. The link between switch S4 and S5 fails. Will Host A beable to reach Host B?
A.A.A.A.Yes. Traffic can pass either from switch S6 to S3 to S2 to S1, or, from switch S6 to S5 to S2 to S1.
B.B.B.B.No. Traffic will pass from switch S6 to S5 and dead-end at interface Gi 0/0.
C.C.C.C.No. Traffic will loop back and forth between switch S5 and S2.
D.D.D.D.Yes. Traffic will pass from switch S6 to S3 to S2 to S1.
E.E.E.E.No. Traffic will either pass from switch S6 to S5 and dead-end, or traffic will pass from switch S6
to S3 to S2 and dead-end.
答案:::: DDDD
34:34:34:34:
Which command displays the number of times that the OSPF Shortest Path First (SPF) algorithmhas been executed?
A.A.A.A.show ip protocol
B.B.B.B.show ip ospf interface
C.C.C.C.show ip ospf
D.D.D.D.show ip ospf database
答案:::: CCCC
35:35:35:35:
How is the configuration of a totally stubby area different from that of a stub area?
A.A.A.A.The totally stubby area requires the no-summary command on the ABR.
B.B.B.B.The totally stubby area requires the totally stubby command on the ABR.
C.C.C.C.The no-summary command should be included on all routers within the totally stubby area.
D.D.D.D.The totally stubby command should be included on all routers within the totally stubby area.
E.E.E.E.The totally stubby area requires the no-summary command on the ASBR.
答案:::: AAAA
36:36:36:36:
When the BGP path selection process is being performed on a Cisco router, which BGP attribute isused first when determining the best path?
A.A.A.A.local preference
B.B.B.B.MED
C.C.C.C.weight
D.D.D.D.origin
E.E.E.E.next-hop
F.F.F.F.AS-path
答案:::: CCCC
37:37:37:37:
Given the network diagram, which address would successfully summarize only the networksseen?
A.A.A.A.192.168.0.0/24
B.B.B.B.192.168.8.0/20
C.C.C.C.192.168.8.0/21
D.D.D.D.192.168.12.0/20
E.E.E.E.192.168.16.0/21
F.F.F.F.These networks cannot be summarized.
答案:::: CCCC
38:38:38:38:
What are the two effects of the IP multicast global configuration command ip pim
send-rp-announce loopback0 scope 31 group-list 5 issued on multicast router RTA? (Choose two.)
A.A.A.A.RTA will drop all RP announcements it receives if the TTL field is greater than 31.
B.B.B.B.RTA will forward RP announcements provided they are within the scope of 31.
C.C.C.C.RTA will originate RP announcements with TTL set to 31.
D.D.D.D.RTA will forward RP announcements from any neighbor router with a source IP address thatmatches access-list 5.
E.E.E.E.RTA will originate RP announcements for multicast groups that match access-list 5.
答案:::: CCCC EEEE
39:39:39:39:
Refer to the exhibit. This network is running IS-IS. Router RTC is inside Cloud#1. From theoutput on RTD, which two statements are true? (Choose two.)
A.A.A.A.
The SNPA for RTE is the source data link address that is used to transmit frames to RTD.
B.B.B.B.IP routing updates between RTC and RTD will be IP datagrams that are encapsulated by HDLC.
C.C.C.C.IP routing updates between RTC and RTD will be IP datagrams that are encapsulated by CLNS.
D.D.D.D.IP routing updates between RTC and RTD will be CLNS datagrams that are encapsulated byHDLC.
E.E.E.E.Because it is running IS-IS in IP-only mode, RTD will not transmit CLNS packets.
F.F.F.F.The NET for RTE will be 49.0150.0019.06b7.fd5f.00.
答案:::: AAAA DDDD
40:40:40:40:
Refer to the exhibit. Assume that Switch_A is active for the standby group and the standby devicehas only the default HSRP configuration. What conclusion is valid?
A.A.A.A.If port Fa1/1 on Switch_A goes down, the standby device will take over as active.
B.B.B.B.If the current standby device were to have the higher priority value, it would take over the role ofactive for the HSRP group.
C.C.C.C.If port Fa1/1 on Switch_A goes down, the new priority value for the switch would be 190.
D.D.D.D.If Switch_A had the highest priority number, it would not take over as active router.
答案:::: CCCC
41:41:41:41:
What are three examples of call control signaling? (Choose three.)
A.A.A.A.MGCP
B.B.B.B.RTP
C.C.C.C.G.711
D.D.D.D.G.729
E.E.E.E.H.323
F.F.F.F.SIP
答案:::: AAAA EEEE FFFF
42:42:42:42:
Which two methods advertise internal networks to external ISPs via BGP? (Choose two.)
A.A.A.A.using aggregate routes
B.B.B.B.disabling synchronization
C.C.C.C.forcing the next-hop address
D.D.D.D.defining routes via the network statement
答案:::: AAAA DDDD
43:43:43:43:
Which method enables GLBP to forward traffic from a LAN segment via multiple routerssimultaneously?
A.A.A.A.Clients need to have different default gateway IP addresses coded.
B.B.B.B.Separate GLBP groups are coded on the routers.
C.C.C.C.The AVG assigns different virtual MAC addresses.
D.D.D.D.Multiple AVG designated routers respond to ARP requests.
E.E.E.E.Proxy ARP allows multiple routers to respond to ARP requests from clients.
答案:::: CCCC
44:44:44:44:
When the passive-interface command is used on a router, which two routing protocols willcontinue to receive routing updates on an interface that is configured as passive? (Choose two.)
A.A.A.A.OSPF
B.B.B.B.RIP
C.C.C.C.RIPv2
D.D.D.D.EIGRP
答案:::: BBBB CCCC
45:45:45:45:
Refer to the exhibit. What does the output of the debug command indicate on VRRP router RTA?
A.A.A.A.VRRP is not active on RTA.
B.B.B.B.RTB does not have VRRP active.
C.C.C.C.RTA does not have VRRP preempt active.
D.D.D.D.RTB has a different IP address coded for VRRP group 1 than RTA.
E.E.E.E.RTB has the same IP address coded on its Ethernet interface as RTA.
答案:::: DDDD
46:46:46:46:
Refer to the exhibit diagram and configuration. RTB is summarizing its networks from AS 64100with the aggregate-address command. However, the show ip route command on RTA reveals theRTB individual networks as well as its summary route. Which option would ensure that only thesummary route would appear in the routing table of RTA?
A.A.A.A.Delete the four network statements and leave only the aggregate-address statement in the BGPconfiguration.
B.B.B.B.Add the keyword summary-only to the aggregate-address command.
C.C.C.C.Add a static route with a prefix of 192.168.24.0 255.255.252.0 pointing to the null0 interface.
D.D.D.D.Create a route map permitting only the summary address.
答案:::: BBBB
47:47:47:47:
Refer to the exhibit. What must be configured on router RTA to summarize all routes from area 0to area 1?
A.A.A.A.area 0 range 172.16.96.0 255.255.224.0
B.B.B.B.area 0 range 172.16.96.0 255.255.255.0
C.C.C.C.area 1 range 172.16.96.0 255.255.224.0
D.D.D.D.area 1 range 172.16.96.0 255.255.0.0
E.E.E.E.summary-address 172.16.96.0 255.255.224.0
F.F.F.F.summary-address 172.16.96.0 0.0.63.255
答案:::: AAAA
48:48:48:48:
Refer to the exhibit. All routers have simultaneously been reloaded, and the DR election hasconcluded as expected. Which state is RTC in?
A.A.A.A.2WAY/DROTHER
B.B.B.B.2WAY/BDR
C.C.C.C.2WAY/DR
D.D.D.D.FULL/DROTHER
E.E.E.E.FULL/BDR
F.F.F.F.FULL/DR
答案:::: EEEE
49:49:49:49:
An access list has been designed to prevent HTTP traffic from the Accounting Department fromreaching the HR server attached to the Holyoke router. Which of the following access lists willaccomplish this task when grouped with the e0 interface on the Chicopee router?
A.A.A.A.permit ip any anydeny tcp 172.16.16.0 0.0.0.255 172.17.17.252 0.0.0.0 eq 80
B.B.B.B.permit ip any anydeny tcp 172.17.17.252 0.0.0.0 172.16.16.0 0.0.0.255 eq 80
C.C.C.C.deny tcp 172.17.17.252 0.0.0.0 172.16.16.0 0.0.0.255 eq 80permit ip any any
D.D.D.D.deny tcp 172.16.16.0 0.0.0.255 172.17.17.252 0.0.0.0 eq 80permit ip any any
答案:::: DDDD
50:50:50:50:
The 192.168.0.0 network is not being propagated throughout the network. Observe the BGPconfiguration commands from the advertising router. What is the reason the 192.168.0.0 route isnot being advertised?
router bgp 65111neighbor 172.16.1.1 remote-as 65111neighbor 172.16.2.1 remote-as 65112
network 192.168.0.0network 10.0.0.0!ip route 192.168.0.0 255.255.0.0 null0
A.A.A.A.The network 192.168.0.0 statement is missing mask 255.255.0.0
B.B.B.B.The network 192.168.0.0 statement is missing mask 0.0.255.255.
C.C.C.C.The network 10.0.0.0 statement is missing mask 255.0.0.0.
D.D.D.D.The network 10.0.0.0 statement is missing mask 0.255.255.255.
E.E.E.E.The auto-summary configuration is missing.
答案:::: AAAA
1:1:1:1:
Based on the show ip bgp summary output, which two statements are true? (Choose two.)
A.A.A.A.The BGP session to the 10.1.1.1 neighbor is established.
B.B.B.B.The BGP session to the 10.2.2.2 neighbor is established.
C.C.C.C.The BGP session to the 10.3.3.3 neighbor is established.
D.D.D.D.The router is attempting to establish a BGP peering session with the 10.1.1.1 neighbor.
E.E.E.E.The BGP session to the 10.3.3.3 neighbor is established, but the router has not received any BGProuting updates from the 10.3.3.3 neighbor.
F.F.F.F.The router is attempting to establish a BGP peering session with the 10.2.2.2 neighbor.
答案:::: AAAA FFFF
2:2:2:2:
Which two are characteristics of the IS-IS protocol but not OSPF? (Choose two.)
A.A.A.A.provides for network scalability by allowing the network to be separated into areas
B.B.B.B.provides routing support for multiple network layer protocols
C.C.C.C.three layers of hierarchical routing
D.D.D.D.utilizes SPF algorithm
E.E.E.E.forms adjacencies with all neighbors
F.F.F.F.supports demand circuit routing
答案:::: BBBB EEEE
3:3:3:3:
Drop
4:4:4:4:
Which two statements about voice traffic are true? (Choose two.)
A.A.A.A.Voice packets are typically around 60 to 120 bytes.
B.B.B.B.Voice packets are typically around 600 to 1200 bytes.
C.C.C.C.Voice packets are typically around 60 to 120 KB.
D.D.D.D.For voice quality, packet loss should be less than 1 percent and delay should be no more than 150ms.
E.E.E.E.For voice quality, packet loss should be less than 2 percent and delay should be no more than 250ms.
F.F.F.F.A typical voice call requires 17 kbps to 106 kbps of guaranteed priority bandwidth plus anadditional 15 kbps per call for voice-control traffic.
答案:::: AAAA DDDD
5:5:5:5:
Refer to the exhibit. Switch P1S1 is not applying VLAN updates from switch P2S1. What arethree reasons why this is not occurring? (Choose three.)
A.A.A.A.Switch P2S1 is in server mode.
B.B.B.B.Switch P1S1 is in transparent mode.
C.C.C.C.The MD5 digests do not match.
D.D.D.D.The passwords do not match.
E.E.E.E.The VTP domains are different.
F.F.F.F.VTP trap generation is disabled on both switches.
答案:::: BBBB DDDD EEEE
6:6:6:6:
Which statement is true about Protocol Independent Multicast Dense Mode (PIM DM) multicastrouting?
A.A.A.A.PIM DM supports shared distribution trees.
B.B.B.B.If a port is pruned, the administrator must re-enable the port to support multicast traffic.
C.C.C.C.The (S,G) state exists in every router, regardless of the presence of an RPF interface.
D.D.D.D.Flooding of traffic only occurs in the beginning stages of routing. Afterwards, all necessary portsare pruned and multicast traffic is not sent across those interfaces.
答案:::: CCCC
7:7:7:7:
Refer to the exhibit. OSPF has been configured on all routers in the network. However, router R1does not receive a default route to router R2 as intended. Which configuration change wouldensure that R1 would receive a default route from R2?
A.A.A.A.Add the area 1 stub command on routers R1.
B.B.B.B.Add the always keyword to the default-information originate configuration command on routerR2.
C.C.C.C.Remove the default information originate configuration command from router R2 and place it onrouter R1.
D.D.D.D.Add the ip route 5.0.0.0 255.255.255.0 0.0.0.0 command to router R2.
答案:::: BBBB
8:8:8:8:
Which enhancement was added to IGMP version 3?
A.A.A.A.membership query message
B.B.B.B.
membership report message
C.C.C.C.leave group message
D.D.D.D.source filtering
E.E.E.E.destination filtering
答案:::: DDDD
9:9:9:9:
Which BGP attribute is used by BGP to prevent routing loops?
A.A.A.A.AS-path
B.B.B.B.next-hop
C.C.C.C.MED
D.D.D.D.weight
E.E.E.E.local preference
F.F.F.F.origin
答案:::: AAAA
10:10:10:10:
Refer to the exhibit. What type of message will be used by the lightweight access point (LAP) inan attempt to locate the wireless LAN controller (WLC)?
A.A.A.A.The LAP will send out a Layer 2 LWAPP discovery request to the WLC on the wireless network.
B.B.B.B.The LAP will send out a Layer 3 LWAPP discovery request to the WLC on the wireless network.
C.C.C.C.The LAP will send out a DHCP request. In return, the DHCP server will provide the IP addressesfor the LAP and the WLC.
D.D.D.D.The LAP will send out a DNS request. In return, the DNS server will provide the WLC domainname.
答案:::: BBBB
11:11:11:11:
How are VRRP messages exchanged between routers sharing a common LAN segment?
A.A.A.A.VRRP relies on TCP to open a connection and to maintain that connection using TCP keepalives.
B.B.B.B.Unicast IP addresses with UDP port ID 112.
C.C.C.C.Destination IP address 224.0.0.18 with IP Protocol ID 112.
D.D.D.D.VRRP messages are directly encapsulated into the Ethernet data field using type code 0x112.
答案:::: CCCC
12:12:12:12:
Refer to the exhibit. A trunk link is connected between switch A_SW and switch D_SW. Based onthe configuration shown in the exhibit, how would the traffic coming from the switch A_SW bemanaged?
A.A.A.A.The trunk port Fa0/1 on switch A_SW will trust all CoS values on the frames coming from the IPphone.
B.B.B.B.The trunk port Fa0/1 on switch A_SW will trust all CoS values on the frames received on the IPphone.
C.C.C.C.The trunk port Fa0/1 on switch D_SW will trust all CoS values on the frames coming from portFa0/1 on A_SW.
D.D.D.D.The trunk port Fa0/1 on switch D_SW will trust all CoS values on the frames received on theA_SW switch port Fa0/4.
E.E.E.E.The trunk port Fa0/1 on switch D_SW will trust all CoS values on the frames received on the IPphone port.
答案:::: CCCC
13:13:13:13:
Refer to the exhibit. GLBP has been configured on the network. When the interface serial0/0/1 onrouter R1 goes down, how is the traffic coming from Host1 handled?
A.A.A.A.The traffic coming from Host1 and Host2 is forwarded through router R2 with no disruption.
B.B.B.B.The traffic coming from Host2 is forwarded through router R2 with no disruption. Host1 sends anARP request to resolve the MAC address for the new virtual gateway.
C.C.C.C.The traffic coming from both hosts is temporarily interrupted while the switchover to make R2active occurs.
D.D.D.D.The traffic coming from Host2 is forwarded through router R2 with no disruption. The traffic fromHost1 is dropped due to the disruption of the load balancing feature configured for the glbp group.
答案:::: AAAA
14:14:14:14:
Which IPv6 address correctly compresses the IPv6 unicast address 2001:0:0:0:0DB8:0:0:417A?
A.A.A.A.2001:0DB8:417A
B.B.B.B.2001::0DB8::417A
C.C.C.C.2001:::0DB8::417A
D.D.D.D.2001:0DB8:0:0:417A
E.E.E.E.2001::DB8:0:0:417A
F.F.F.F.2001:::0DB8:0:0:417A
答案:::: EEEE
15:15:15:15:
Refer to the exhibit. OSPF has been configured on all routers in the network and Area 1 has beenconfigured as a NSSA. Which statement is true about the NSSAArea 1?
A.A.A.A.Redistributed RIP and IGRP routes will appear in Area 1. They will be advertised via type 5 LSAs.
B.B.B.B.Only redistributed RIP routes will appear in Area 1. They will be advertised via type 7 LSAs.
C.C.C.C.Only redistributed IGRP routes will appear in Area 1. They will be advertised via type 7 LSAs.
D.D.D.D.No redistributed routes can appear in Area 1, only summary routes.
答案:::: CCCC
16:16:16:16:
When other routing protocol routes are being redistributed into OSPF, what is one of the mostcommon problems?
A.A.A.A.missing the tag option in the redistribute command.
B.B.B.B.missing the subnet option in the redistribute command.
C.C.C.C.missing the metric option in the redistribute command.
D.D.D.D.
misconfiguring the metric-type option in the redistribute command to type-1.
E.E.E.E.misconfiguring the metric-type option in the redistribute command to type-2.
答案:::: BBBB
17:17:17:17:
Which three statements are true about IP multicast configuration? (Choose three.)
A.A.A.A.PIM sparse mode interfaces are always added to the multicast routing table in a router.
B.B.B.B.PIM dense mode interfaces are always added to the multicast routing table in a router.
C.C.C.C.PIM sparse-dense mode acts as PIM dense mode if an RP is not known.
D.D.D.D.PIM sparse-dense mode and PIM dense mode require an RP on the network.
E.E.E.E.PIM sparse mode and PIM sparse-dense mode require an RP on the network.
F.F.F.F.PIM sparse mode and PIM dense mode require an RP on the network.
答案:::: BBBB CCCC EEEE
18:18:18:18:
Refer to the exhibit. Which one statement is true?
A.A.A.A.Traffic from the 172.16.0.0/16 network will be blocked by the ACL.
B.B.B.B.The 10.0.0.0/8 network will not be advertised by Router B because the network statement for the10.0.0.0/8 network is missing from Router B.
C.C.C.C.The 10.0.0.0/8 network will not be in the routing table on Router B.
D.D.D.D.Users on the 10.0.0.0/8 network can successfully ping users on the 192.168.5.0/24 network, butusers on the 192.168.5.0/24 cannot successfully ping users on the 10.0.0.0/8 network.
E.E.E.E.Router B will not advertise the 10.0.0.0/8 network because it is blocked by the ACL.
答案:::: EEEE
19:19:19:19:
Refer to the exhibit. OSPF is configured on all routers in the network. Area 5 is configured as anNSSA area. The RIPv2 routes are redistributed into the OSPF domain on router R5. What twotypes of LSAs will be originated by router R5? (Choose two.)
A.A.A.A.type 1 Router LSA
B.B.B.B.type 2 Network LSA
C.C.C.C.type 3 Network Summary LSA
D.D.D.D.type 4 ASBR Summary LSA
E.E.E.E.type 5 AS External LSA
F.F.F.F.type 7 NSSA External LSA
答案:::: AAAA FFFF
20:20:20:20:
Which two statements are true about voice VLANs? (Choose two.)
A.A.A.A.Voice VLANs are only used when connecting an IP phone and a host to distinct switch ports.
B.B.B.B.Access ports that are configured with voice VLANs will always trust the CoS that is received fromIP phones.
C.C.C.C.Access ports that are configured with voice VLANs may or may not override the CoS value that is
received from an IP phone.
D.D.D.D.Voice VLANs are configured using the switchport voice vlan vlan-ID interface configurationcommand.
E.E.E.E.Voice VLANs provide a trunking interface between an IP phone and an access port on a switch toallow traffic from multiple devices that are connected to the port.
F.F.F.F.Enabling Voice VLAN on a switch port will automatically configure the port to trust the incomingCoS markings.
答案:::: CCCC DDDD
21:21:21:21:
Refer to the exhibit. On the basis of the configuration that is provided, how would the BGPupdates that come from router R1 be replicated inside autonomous system 65200?
A.A.A.A.
All BGP updates that are received on router R2 will be sent to routers R3 and R4. Routers R3 andR4 will then forward those BGP updates to router R5.
B.B.B.B.All BGP updates that are received on router R2 will not be sent to routers R3 and R4.
C.C.C.C.All BGP updates that are received on router R2 will be sent directly to router R5.
D.D.D.D.None of the BGP updates that are received on router R2 will ever be received by router R5.
答案:::: DDDD
22:22:22:22:
Which two statements are true of the OSPF link-state routing protocol? (Choose two.)
A.A.A.A.Using the Bellman-Ford algorithm, each OSPF router independently calculates its best paths to alldestinations in the network.
B.B.B.B.Using the DUAL algorithm, each OSPF router independently calculates its best paths to alldestinations in the network.
C.C.C.C.OSPF sends summaries of individual link-state entries every 30 minutes to ensure LSDBsynchronization.
D.D.D.D.OSPF sends triggered updates when a network change occurs.
E.E.E.E.OSPF sends updates every 10 seconds.
F.F.F.F.When a link changes state, the router that detected the change creates a link-state advertisement(LSA) and propagates it to all OSPF devices using the 224.0.0.6 multicast address.
答案:::: CCCC DDDD
23:23:23:23:
Drop
24:24:24:24:
Refer to the exhibit. Three different wireless groups of users are allowed to gain access to thewireless LAN. What type of security policy should be enforced for the users in the Guest group?
A.A.A.A.static WEP and MAC authentication
B.B.B.B.LEAP authentication
C.C.C.C.primary SSID with open or no WEP authentication
D.D.D.D.open authentication with WEP plus MAC authentication
答案:::: CCCC
25:25:25:25:
Refer to the exhibit and the partial configuration on routers R1 and R2. Hot Standby RoutingProtocol (HSRP) is configured on the network to provide network redundancy for the IP traffic.The network administrator noticed that R2 does not became active when the R1 serial0 interfacegoes down. What should be changed in the configuration to fix the problem?
A.A.A.A.R2 should be configured with a HSRP virtual address.
B.B.B.B.R2 should be configured with a standby priority of 100.
C.C.C.C.The Serial0 interface on router R2 should be configured with a decrement value of 20.
D.D.D.D.The Serial0 interface on router R1 should be configured with a decrement value of 20.
答案:::: DDDD
26:26:26:26:
Which two statements about voice VLANs are correct? (Choose two.)
A.A.A.A.Voice VLANs eliminate the need for QoS configuration.
B.B.B.B.Voice VLANs are used on trunk links to eliminate the need for QoS CoS markings.
C.C.C.C.Voice VLANs are mainly used to reduce the number of access switch ports that are used in thenetwork.
D.D.D.D.Voice VLANs can be configured to forward existing CoS priorities or override them.
E.E.E.E.Voice VLANs are mainly used between access layer switches and distribution layer switches.
F.F.F.F.Voice VLANs can be configured on Layer 2 ports only.
答案:::: DDDD FFFF
27:27:27:27:
Which two routing protocols require a metric to be configured when redistributing routes fromother protocols? (Choose two.)
A.A.A.A.RIP
B.B.B.B.OSPF
C.C.C.C.EIGRP
D.D.D.D.IS-IS
E.E.E.E.BGP
答案:::: AAAA CCCC
28:28:28:28:
What is the IPv6 address FF02::2 used for?
A.A.A.A.all hosts in a local segment
B.B.B.B.all routers in a local segment
C.C.C.C.all hosts in a particular multicast group
D.D.D.D.all routers in an autonomous system
答案:::: BBBB
29:29:29:29:
Which three interface commands will configure the switch port to support a connected Ciscophone and to trust the CoS values received on the port if CDP discovers that a Cisco phone isattached? (Choose three.)
A.A.A.A.mls qos trust override cos
B.B.B.B.mls qos trust cos
C.C.C.C.mls qos trust device cisco-phone
D.D.D.D.switchport priority extend cos_value
E.E.E.E.switchport voice vlan vlan-id
答案:::: BBBB CCCC EEEE
30:30:30:30:
Examine the router output above. Which two items are correct? (Choose two.)
A.A.A.A.Router A will assume the active state if its priority is the highest.
B.B.B.B.If Ethernet 0/2 goes down, the standby router will take over.
C.C.C.C.When Ethernet 0/3 of RouterA comes back up, the priority will become 105.
D.D.D.D.The local IP address of Router A is 10.1.0.6.
E.E.E.E.The local IP address of Router A is 10.1.0.20.
答案:::: AAAA CCCC
31:31:31:31:
How are GLBP messages exchanged between routers that share a common LAN segment?
A.A.A.A.GLBP messages are multicast to UDP port ID 3222.
B.B.B.B.GLBP messages are directly encapsulated into the Ethernet data field using type code 3222.
C.C.C.C.GLBP relies on TCP to open a connection and to maintain that connection using TCP keepalives.
D.D.D.D.Routers inform clients with GLBP messages and use ARP messages to exchange informationabout first-hop redundancy.
答案:::: AAAA
32:32:32:32:
Given the network diagram, which routers currently make up the IS-IS backbone?
A.A.A.A.R3,R4,R6
B.B.B.B.R3,R4,R5,R6
C.C.C.C.R2,R3,R6,R7
D.D.D.D.R2,R3,R4,R6,R7
E.E.E.E.R1 through R8
答案:::: DDDD
33:33:33:33:
Which three characteristics are true about voice traffic in the campus network? (Choose three.)
A.A.A.A.TCP retransmits
B.B.B.B.benign
C.C.C.C.greedy
D.D.D.D.drop sensitive
E.E.E.E.smooth
F.F.F.F.delay insensitive
答案:::: BBBB DDDD EEEE
34:34:34:34:
Which three statements are correct about the differences in IS-IS and OSPF? (Choose three.)
A.A.A.A.IS-IS LSP contains TLV fields and OSPF LSU contains the LSAs.
B.B.B.B.New additions to the protocol are easily implemented in OSPF but not with IS-IS.
C.C.C.C.For greater fine tuning there are more IS-IS timers.
D.D.D.D.OSPF has more area types than does IS-IS.
E.E.E.E.IS-IS is more CPU-intensive than is OSPF.
答案:::: AAAA CCCC DDDD
35:35:35:35:
Which two WLAN client utility statements are true? (Choose two.)
A.A.A.A.In a Windows XP environment, a client adapter can only be configured and managed with theMicrosoft Wireless Configuration Manager.
B.B.B.B.The Aironet Desktop Utility (ADU) can be used to enable or disable the adapter radio and toconfigure LEAP authentication with dynamic WEP.
C.C.C.C.The Cisco Aironet Desktop Utility (ADU) and the Microsoft Wireless Configuration Manager canboth be enabled at the same time to setup WLAN client cards.
D.D.D.D.The Microsoft Wireless Configuration Manager can be configured to display the Aironet SystemTray Utility (ASTU) icon in the Windows system tray.
答案:::: BBBB DDDD
36:36:36:36:
A router is running BGP and receives more than one route for a particular prefix. Assume all theroutes for this prefix have the same attributes. Which three path features would be reasons be forthe router to ignore some of the routes and not consider them as candidates for the best path?(Choose three.)
A.A.A.A.paths that are marked as synchronized in the show ip bgp output
B.B.B.B.paths that are marked as not synchronized in the show ip bgp output
C.C.C.C.paths for which the NEXT_HOP is accessible
D.D.D.D.paths for which the NEXT_HOP is inaccessible
E.E.E.E.paths from an external BGP (eBGP) neighbor if the local autonomous system (AS) appears in theAS_PATH
F.F.F.F.paths from an internal BGP (iBGP) neighbor if the local autonomous system (AS) appears in theAS_PATH
答案:::: BBBB DDDD EEEE
37:37:37:37:
The Dev-1 and Dev-3 routers are OSPF neighbors over the Ethernet 0/0 connection. Based on theshow ip ospf neighbor output from the Dev-1 and Dev-3 routers, which statement is true?
A.A.A.A.Dev-1 is the DR because it has a higher OSPF router priority.
B.B.B.B.Dev-1 is the DR because it has a lower OSPF router ID.
C.C.C.C.Dev-3 is the DR because it has a higher OSPF router priority.
D.D.D.D.Dev-3 is the DR because it has a lower OSPF router ID.
E.E.E.E.Both Dev-1 and Dev-3 are using the default OSPF router priority.
答案:::: AAAA
38:38:38:38:
Refer to the exhibit. Which configuration is reflected in the output that is displayed in the exhibit?
A.A.A.A.neighbor 192.168.28.1 route-map cisco in!access-list 66 permit 10.0.0.0 0.0.0.255!route-map cisco permit 10match ip address 66set local-preference 90
B.B.B.B.neighbor 192.168.28.1 route-map cisco out!access-list 66 permit 10.0.0.0 0.0.0.255!route-map cisco permit 10match ip address 66set metric 90
C.C.C.C.neighbor 192.168.28.1 route-map cisco out!access-list 66 permit 10.30.0.0 0.0.255.255!route-map cisco permit 10match ip address 66set metric 90
D.D.D.D.neighbor 192.168.28.1 route-map cisco in!access-list 66 permit 10.30.0.0 0.0.255.255
!route-map cisco permit 10match ip address 66set local-preference 90
答案:::: DDDD
39:39:39:39:
What are two differences between the Autonomous WLAN solution and the Lightweight WLANsolution? (Choose two.)
A.A.A.A.TACACS+ can only be used for authentication with the Cisco Lightweight WLAN solution.
B.B.B.B.CiscoWorks Wireless LAN Solution Engine can be used for management with the AutonomousWLAN Solution.
C.C.C.C.CiscoWorks Wireless LAN Solution Engine can be used for management with the LightweightWLAN Solution.
D.D.D.D.Cisco Wireless LAN Controller is used to configure the access points in the Lightweight WLANsolution.
E.E.E.E.Cisco Wireless LAN Controller is used to configure the access points in the Autonomous WLANsolution.
答案:::: BBBB DDDD
40:40:40:40:
Which two statements are true about the rendezvous point (RP) in a multicast network? (Choosetwo.)
A.A.A.A.An RP is required only in networks running Protocol Independent Multicast dense mode (PIMDM).
B.B.B.B.An RP is required only in networks running Protocol Independent Multicast sparse mode (PIM
SM).
C.C.C.C.An RP is required only in networks running Protocol Independent Multicast sparse-dense mode(PIM-SDM).
D.D.D.D.The multicast sources must register with the RP to form the multicast distribution tree.
E.E.E.E.The multicast receivers must register with the RP to form the multicast distribution tree.
F.F.F.F.To form the multicast distribution tree, the multicast sources register with and the receivers jointhe RP.
答案:::: BBBB FFFF
41:41:41:41:
Which two statements are true about Internet Group Management Protocol (IGMP) snooping?(Choose two.)
A.A.A.A.IGMP snooping and Cisco Group Membership Protocol (CGMP) can be used simultaneously on aswitch.
B.B.B.B.IGMP snooping and Cisco Group Membership Protocol (CGMP) were developed to help Layer 3switches make intelligent forwarding decisions on their own.
C.C.C.C.IGMP snooping examines IGMP join/leave messages so that multicast traffic is forwarded only tohosts that sent an IGMPmessage toward the router.
D.D.D.D.IGMP snooping is an IP multicast constraining mechanism for Layer 2 switches.
E.E.E.E.IGMP snooping is enabled with the ip multicast-routing global configuration command.
答案:::: CCCC DDDD
42:42:42:42:
Which set of statements describes the correct order and process of a wireless client associatingwith a wireless access point?
A.A.A.A.1. Client sends probe request.2. Access point sends probe response.3. Client initiates association.4. Access point accepts association.5. Access point adds client MAC address to association table.
B.B.B.B.1. Client sends probe request.2. Access point sends probe response.3. Client initiates association.4. Access point accepts association.5. Client adds access point MAC address to association table.
C.C.C.C.1. Client sends probe request.2. Access point sends probe response.3. Access point initiates association.4. Client accepts association.5. Access point adds client MAC address to association table.
D.D.D.D.1. Access point sends probe request .2. Client sends probe response.3. Client initiates association.4. Access point accepts association.5. Access point adds client MAC address to association table.
E.E.E.E.1. Access point sends probe request .2. Client sends probe response.3. Client initiates association.4. Access point accepts association.5. Client adds access point MAC address to association table.
答案:::: AAAA
43:43:43:43:
Which routing protocol will continue to receive and process routing updates from neighbors afterthe passive-interface router configuration command is entered?
A.A.A.A.EIGRP
B.B.B.B.RIP
C.C.C.C.OSPF
D.D.D.D.IS-IS
答案:::: BBBB
44:44:44:44:
Refer to the show interface Gi0/1 switchport command output shown in the exhibit. Which twostatements are true about this interface? (Choose two.)
A.A.A.A.This interface is a dot1q trunk passing all configured VLANs.
B.B.B.B.This interface is configured for access mode.
C.C.C.C.This interface is a member of VLAN1.
D.D.D.D.This interface is a member of VLAN7.
E.E.E.E.This interface is a member of a voice VLAN.
答案:::: BBBB DDDD
45:45:45:45:
Which two statements about WLAN components are true? (Choose two.)
A.A.A.A.Cisco Aironet autonomous access points cannot be supported by the Cisco Unified WirelessNetwork.
B.B.B.B.Cisco Aironet lightweight access points cannot be supported by the Cisco Unified WirelessNetwork.
C.C.C.C.In the autonomous access point solution, control is provided by the Wireless Domain Services(WDS).
D.D.D.D.In the autonomous access point solution, control is provided by the WLAN controller.
E.E.E.E.In the lightweight access point solution, WLAN management is provided by the WLAN SolutionEngine (WLSE).
F.F.F.F.In the lightweight access point solution, WLAN management is provided by the WLAN ControlSystem (WCS).
答案:::: CCCC FFFF
46:46:46:46:
Refer to the exhibit. It is desired to set up a BGP neighbor relationship between routers R1 and R4.BGP packets between them could travel through R2 or R3. What is the simplest configuration thatwill allow for failover?
A.A.A.A.Configure BGP neighbor relationships between all interfaces on R1 and R4.
B.B.B.B.Install a direct connection between R1 and R4.
C.C.C.C.Configure loopback interfaces on R1 and R4 to provide the update source address for BGPpackets.
D.D.D.D.Configure only one neighbor relationship between R1's 192.168.1.2 interface and R4's 172.16.10.2interface.
答案:::: CCCC
47:47:47:47:
On an Aironet card, LED 0 and LED 1 are blinking alternately. What does this indicate?
A.A.A.A.The Aironet card is in power save mode.
B.B.B.B.The Aironet card is looking for a network association.
C.C.C.C.The Aironet card is joined to a network, but there is no network activity.
D.D.D.D.The Aironet card is joined to a network, and there is network activity.
答案:::: BBBB
48:48:48:48:
Which two statements are true about IBGP neighbor relationships? (Choose two.)
A.A.A.A.An EGP or static routing is required between IBGP neighbors.
B.B.B.B.A full-mesh IBGP requires that neighbor relationships be established between all BGP enabledrouters in the autonomous system.
C.C.C.C.IBGP neighbors must be in different autonomous systems.
D.D.D.D.The BGP split-horizon rule specifies that routes learned via EBGP are never propagated to otherIBGP peers.
E.E.E.E.The BGP split horizon rule specifies that routes learned via IBGP are never propagated to otherIBGP peers.
答案:::: BBBB EEEE
49:49:49:49:
Refer to the exhibit. Will redistributed RIP routes from OSPF Area 2 be allowed in Area 1?
A.A.A.A.Because Area 1 is an NSSA, redistributed RIP routes will not be allowed.
B.B.B.B.Redistributed RIP routes will be allowed in Area 1 because they will be changed into type 5 LSAsin Area 0 and passed on into Area 1.
C.C.C.C.Because NSSAwill discard type 7 LSAs, redistributed RIP routes will not be allowed in Area 1.
D.D.D.D.Redistributed RIP routes will be allowed in Area 1 because they will be changed into type 7 LSAsin Area 0 and passed on into Area 1.
E.E.E.E.RIP routes will be allowed in Area 1 only if they are first redistributed into EIGRP.
答案:::: AAAA
50:50:50:50:
Which BGP attribute will not be advertised in routing updates to its neighboring routers?
A.A.A.A.weight
B.B.B.B.local preference
C.C.C.C.origin
D.D.D.D.AS_path
E.E.E.E.next hop
答案:::: AAAA
1:1:1:1:
Observe the diagram. RTC is the hub router and RTA and RTB are the spokes. There are no virtualcircuits between the spoke locations. What is needed to successfully route traffic to the11.11.11.0/24 network from RTA?
A.A.A.A.The neighbor 10.10.10.1 next-hop-self command on RTA.
B.B.B.B.The neighbor 10.10.10.1 next-hop-self command on RTB.
C.C.C.C.The neighbor 10.10.10.1 next-hop-self command on RTC.
D.D.D.D.Nothing is required. This is the default behavior on this topology.
答案:::: CCCC
2:2:2:2:
Which statement is true about OSPF Network LSAs?
A.A.A.A.They are originated by every router in the OPSF network. They include all routers on the link,interfaces, the cost of the link, and any known neighbor on the link.
B.B.B.B.They are originated by the DR on every multi-access network. They include all attached routersincluding the DR itself.
C.C.C.C.They are originated by Area Border Routers and are sent into a single area to advertisedestinations outside that area.
D.D.D.D.They are originated by Area Border Router and are sent into a single area to advertise anAutonomous System Border Router.
答案:::: BBBB
3:3:3:3:
Which two Aironet enterprise solution statements are true? (Choose two.)
A.A.A.A.A Cisco Aironet AP handles the transmission of beacon frames and also handles responses toprobe-request frames from clients.
B.B.B.B.A Cisco Aironet solution includes intelligent Cisco Aironet access points (APs) and Cisco Catalystswitches.
C.C.C.C.In the Cisco Aironet solution, each AP is locally configured by the use of either a web interface orthe command line interface.
D.D.D.D.The Cisco Aironet AP handles real-time portions of the LWAPP protocol, and the WLANcontroller handles those items which are not time sensitive.
E.E.E.E.Virtual MAC architecture allows the splitting of the 802.11 protocol between the Cisco Aironet APand a LAN switch.
答案:::: AAAA DDDD
4:4:4:4:
Which three IP multicast related statements are true? (Choose three.)
A.A.A.A.Multicast addresses 224.0.1.0 through 238.255.255.255 are called globally scoped addresses. Theyare used to multicast data between organizations and across the Internet.
B.B.B.B.The multicast address 224.0.0.1 is a globally scoped address that has been reserved for theNetwork Time Protocol (NTP) by the IANA.
C.C.C.C.Multicast addresses 239.0.0.0 through 239.255.255.255 are called limited scope addresses. Theyare constrained to a local group or organization.
D.D.D.D.Multicast addresses 224.0.0.5 and 224.0.0.6 are limited scoped addresses that have been reservedfor OSPF.
E.E.E.E.Multicast addresses 224.0.0.0 through 224.0.0.255 are used for network protocols on local LANsegments. Because they are always transmitted with a Time to Live (TTL) of 1, they are neverforwarded by a router.
答案:::: AAAA CCCC EEEE
5:5:5:5:
What are two rules for compacting IPv6 addresses? (Choose two.)
A.A.A.A.The maximum number of times a double colon can replace a 16-bit segment that consists of allzeroes is two.
B.B.B.B.The leading zeroes in any 16-bit segment do not have to be written.
C.C.C.C.Every 16-bit segment that consists of all zeroes can be represented with a single colon.
D.D.D.D.The trailing zeroes in any 16-bit segment do not have to be written.
E.E.E.E.Any single, continuous string of one or more 16-bit segments that consists of all zeroes can berepresented with a double colon.
F.F.F.F.Two zeroes in the middle of any 16-bit segment do not have to be written.
答案:::: BBBB EEEE
6:6:6:6:
Which three statements are true about the voice VLAN feature on a Catalyst 2950 switch?(Choose three.)
A.A.A.A.The CoS value is trusted for 802.1p or 802.1q tagged traffic.
B.B.B.B.The voice VLAN feature is disabled by default.
C.C.C.C.The IP phone accepts the priority of all tagged and untagged traffic and sets the CoS value to 4.
D.D.D.D.When the voice VLAN feature is enabled, all untagged traffic is sent according to the default CoSpriority of the port.
E.E.E.E.PortFast is is automatically disabled when a voice VLAN is configured.
F.F.F.F.The default CoS value for incoming traffic is set to 0.
答案:::: BBBB DDDD FFFF
7:7:7:7:
Refer to the exhibit. Which three statements accurately describe the result of applying theexhibited route map? (Choose three.)
A.A.A.A.The map prohibits the redistribution of all type 2 external OSPF routes with tag 6 set.
B.B.B.B.The map prohibits the redistribution of all type 2 external OSPF routes.
C.C.C.C.The map redistributes into EIGRP all routes that match the pfx prefix list and the five metricvalues?0000, 1000, 255, 1, and 1500.
D.D.D.D.The map prohibits the redistribution of all external OSPF routes with tag 6 set.
E.E.E.E.All routes that do no match clauses 10 and 20 of the route map are redistributed with their tags setto 8.
F.F.F.F.The map permits the redistribution of all type 1 external OSPF routes.
答案:::: AAAA EEEE FFFF
8:8:8:8:
Which two statements about HSRP priority are true? (Choose two.)
A.A.A.A.Assuming that preempting has also been configured, the router with the lowest priority in anHSRP group would become the active router.
B.B.B.B.The default priority of a router is zero (0).
C.C.C.C.The no standby priority command assigns a priority of 100 to the router.
D.D.D.D.To assign the HSRP router priority in a standby group, the standby group-number prioritypriority-value global configuration command must be used.
E.E.E.E.When two routers in an HSRP standby group are configured with identical priorities, the routerwith the highest configured IP address will become the active router.
答案:::: CCCC EEEE
9:9:9:9:
Refer to the exhibit. What statement is true about the configuration on switch CAT1?
A.A.A.A.The configuration overrides 802.1p priorities on packets entering ports Fa0/11 and Fa0/12 with avalue of 48.
B.B.B.B.The configuration establishes policed DSCP on ports Fa0/11 and Fa0/12 with values ranging from8 to 56.
C.C.C.C.The configuration overrides the Quality of Service value in packets entering ports Fa0/11 andFa0/12 with a value of 45.
D.D.D.D.Two IP phones with the MAC addresses of 0008.8595.d1a7 and 0007.8595.d2b7 are connected toCAT1 ports Fa0/11 and Fa0/12, respectively.
E.E.E.E.Security violation shutdown mode has been activated for ports Fa0/11 and Fa0/12.
F.F.F.F.Untagged Port VLAN ID (PVID) frames will carry voice traffic on VLAN 40.
答案:::: DDDD
10:10:10:10:
Refer to the exhibit. Which two statements are true about the partial configuration that is provided.(Choose two.)
A.A.A.A.All the configured neighbors are in autonomous system 100.
B.B.B.B.The peer group shortens the IBGP configuration.
C.C.C.C.The peer group shortens the EBGP configuration.
D.D.D.D.Only the outgoing filters are applied to BGP updates.
E.E.E.E.Three AS-path filters are applied to each BGP neighbor.
答案:::: AAAA BBBB
11:11:11:11:
Refer to the exhibit. IP multicast for group address 224.1.1.1 has been enabled on all routers in thenetwork. Hosts on Network A receive the multicast traffic. However, hosts on Network B do not.On the basis of outputs provided, what could be the cause of the problem?
A.A.A.A.Router R2 does not have an RP configured on the multicast network.
B.B.B.B.Router R2 does not see the upstream router R1 as a PIM neighbor.
C.C.C.C.Because of RPF failure, Router R2 does not forward multicast packets to Network B.
D.D.D.D.The multicast packets are sourced from a server with an unspecified IP address.
答案:::: CCCC
12:12:12:12:
Refer to the exhibit. All multilayer switches are running PIM dense mode. Recipient A andRecipient B are sending IGMPv2 join messages to their respective multilayer switches. Whichstatement is true?
A.A.A.A.The Multicast Server is the root of the multicast tree. Switches 4 and 5 will participate in themulticast tree once pruning has taken place.
B.B.B.B.The Multicast Server is the root of the multicast tree. Switches 1,3,4, and 5 will participate in themulticast tree once pruning has taken place.
C.C.C.C.Switch 3 is the root of the multicast tree. Switches 3,4, and 5 will participate in the multicast treeonce pruning has taken place.
D.D.D.D.Switch 1 is the root of the multicast tree. Switches 1,4, and 5 will participate in the multicast tree
once pruning has taken place.
E.E.E.E.Switch 1 is the root of the multicast tree. Switches 1,3,4, and 5 will participate in the multicast treeonce pruning has taken place.
F.F.F.F.Switch 3 is the root of the multicast tree. Switches 1,3,4, and 5 will participate in the multicast treeonce pruning has taken place.
答案:::: BBBB
13:13:13:13:
Which two statements about the IS-IS routing protocol are true? (Choose two.)
A.A.A.A.In the IS-IS routing domain, routers may have adjacencies with other routers on multipoint links.
B.B.B.B.IS-IS metrics are based on delay, bandwidth, reliability, load, and MTU.
C.C.C.C.Level 1 routers learn about paths within the areas that the routers are connected to.
D.D.D.D.Level 2 routers are equivalent to ABRs in OSPF and learn about paths both within and betweenareas.
E.E.E.E.Level 1 and Level 2 routing is a function of ES-IS.
答案:::: AAAA CCCC
14:14:14:14:
Refer to the exhibit. Router RT-1 and router RT-2 both advertise network 131.25.0.0/16 to routerRT-3 via internal BGP. What is the reason that router RT-3 chose router RT-1 as its best path tonetwork 131.25.0.0/16.
A.A.A.A.It advertises the best AS-path.
B.B.B.B.It advertises the best origin code.
C.C.C.C.It advertises the best MED.
D.D.D.D.It advertises the best local preference.
E.E.E.E.It has a better router ID.
F.F.F.F.It advertises a lower autonomous system.
答案:::: EEEE
15:15:15:15:
Which three characteristics apply to IS-IS but not to OSPF? (Choose three.)
A.A.A.A.encapsulates PDUs directly into a data-link frame
B.B.B.B.uses a DIS and a backup DIS to present the psuedo-node on the LAN
C.C.C.C.uses stubby areas to improve network scalability
D.D.D.D.uses a default IOS metric of 10 on each interface
E.E.E.E.runs PRC (Partial Route Calculations) to calculate IP reachability information
F.F.F.F.uses an on-demand circuit to reduce the hello and LSA flooding across switched WAN links, suchas ISDN
答案:::: AAAA DDDD EEEE
16:16:16:16:
Given the following partial configuration for Router A:
interface serial 0ip address 10.1.1.1 255.255.255.0encapsulation frame-relayip ospf network point-to-multipointrouter ospf 7network 10.1.1.0 0.0.0.255 area 0
Which two statements are correct? (Choose two.)
A.A.A.A.DR/BDR elections do not take place.
B.B.B.B.The router is restricted to a hub and spoke topology.
C.C.C.C.The area 0 NBMA cloud is configured as more than one subnet.
D.D.D.D.OSPF neighbor statements are not necessary.
答案:::: AAAA DDDD
17:17:17:17:
Into which two types of areas would an area border router (ABR) inject a default route? (Choosetwo.)
A.A.A.A.the autonomous system of a different interior gateway protocol (IGP)
B.B.B.B.area 0
C.C.C.C.totally stubby
D.D.D.D.NSSA
E.E.E.E.stub
F.F.F.F.the autonomous system of an exterior gateway protocol (EGP)
答案:::: CCCC EEEE
18:18:18:18:
Refer to the exhibit. Which statement is true about the repeater access point that is deployed in thiswireless network?
A.A.A.A.The repeater access point should use a different SSID than the SSID configured on the parentaccess point.
B.B.B.B.The repeater access point should use a different WEP encryption method than the WEP encryptionthat is enabled on the parent access point.
C.C.C.C.The repeater access point reduces the throughput in half because it receives and then re-transmitseach packet on the same channel.
D.D.D.D.The repeater access point requires a 10 percent channel overlap with channel of the root accesspoint.
答案:::: CCCC
19:19:19:19:
Which two features or capabilities are valid options for both an Autonomous and a LightweightWLAN solution? (Choose two)
A.A.A.A.use of a Cisco Wireless Location Appliance for location tracking
B.B.B.B.use of Cisco Secure Access Control Server (ACS) for security
C.C.C.C.Cisco Wireless Control System (WCS) for management
D.D.D.D.
PoE capability
E.E.E.E.Cisco IOS software for configuration
答案:::: BBBB DDDD
20:20:20:20:
Which two statements are true about trust boundaries? (Choose two.)
A.A.A.A.Classifying and marking traffic should be done as close to the traffic source as possible.
B.B.B.B.Classifying and marking traffic should be done at the distribution layer.
C.C.C.C.Traffic is classified and marked as it travels through the network.
D.D.D.D.If untrusted traffic enters a switch, it can be marked with a new QoS value appropriate for thepolicy in place.
E.E.E.E.The trust boundary moves depending on the type of traffic entering the network.
答案:::: AAAA DDDD
21:21:21:21:
Refer to the exhibit. The user who is connected to interface FastEthernet 0/1 is on VLAN 10 andcannot access network resources. On the basis of the information in the exhibit, which commandsequence would correct the problem?
A.A.A.A.SW1(config)# interface fastethernet 0/1SW1(config-if)# no shut
B.B.B.B.SW1(config)# interface fastethernet 0/1SW1(config-if)# switchport mode access
C.C.C.C.SW1(config)# interface fastethernet 0/1SW1(config-if)# switchport mode accessSW1(config-if)# switchport access vlan 10
D.D.D.D.SW1(config)# vlan 10SW1(config-vlan)# no shut
E.E.E.E.SW1(config)# vlan 10SW1(config-vlan)# state active
答案:::: AAAA
22:22:22:22:
Which BGP path attribute is Cisco proprietary?
A.A.A.A.weight
B.B.B.B.MED
C.C.C.C.local preference
D.D.D.D.origin
E.E.E.E.next-hop
F.F.F.F.AS-path
答案:::: AAAA
23:23:23:23:
Refer to the exhibit. On the basis of the configuration provided, how are the Hello packets sent byR2 handled by R5 in OSPF area 5?
A.A.A.A.The Hello packets will be exchanged and adjacency will be established between routers R2 andR5.
B.B.B.B.The Hello packets will be exchanged but the routers R2 and R5 will become neighbors only.
C.C.C.C.The Hello packets will be dropped and no adjacency will be established between routers R2 andR5.
D.D.D.D.The Hello packets will be dropped but the routers R2 and R5 will become neighbors.
答案:::: CCCC
24:24:24:24:
What is the maximum Ethernet frame size on a trunk link configured using IEEE 802.1Qencapsulation?
A.A.A.A.1496 Bytes
B.B.B.B.1500 Bytes
C.C.C.C.1518 Bytes
D.D.D.D.1522 Bytes
E.E.E.E.1548 Bytes
答案:::: DDDD
25:25:25:25:
Refer to the exhibit. Given the exhibited router output, which command sequence can be added toR1 to generate a default route into the OSPF domain?
A.A.A.A.default-router
B.B.B.B.ip default-network
C.C.C.C.default-information originate always
D.D.D.D.ip default-gateway
答案:::: CCCC
26:26:26:26:
Refer to the exhibit. Which statement is true about the 6.6.6.0/24 prefix?
A.A.A.A.If another path advertises the 6.6.6.0/24 path and has the default local preference, that path is morepreferred.
B.B.B.B.The command neighbor send-community is configured on BGP neighbor 10.10.23.3.
C.C.C.C.The route 10.10.23.3 is not being advertised to other BGP neighbors.
D.D.D.D.Route 6.6.6.0/24 is learned by an IBGP peer.
答案:::: BBBB
27:27:27:27:
Which configuration commands will enable RTA to advertise all local interfaces over OSPF?
A.A.A.A.RTA(config)# router ospf 1RTA(config-router)# default-information originate
B.B.B.B.
RTA(config)# router ospf 1RTA(config-router)# network 255.255.255.255 255.255.255.255
C.C.C.C.RTA(config)# router ospf 1RTA(config-router)# network 0.0.0.0
D.D.D.D.RTA(config)# router ospf 1RTA(config-router)# network 0.0.0.0 0.0.0.0
E.E.E.E.RTA(config)# router ospf 1RTA(config-router)# redistribute static
F.F.F.F.RTA(config)# router ospf 1RTA(config-router)# redistribute connected
答案:::: FFFF
28:28:28:28:
Which statement is true about EBGP?
A.A.A.A.An internal routing protocol can be used to reach an EBGP neighbor.
B.B.B.B.The next hop does not change when BGP updates are exchanged between EBGP neighbors.
C.C.C.C.A static route can be used to form an adjacency between neighbors.
D.D.D.D.EBGP requires a full mesh.
答案:::: CCCC
29:29:29:29:
Above is the output from show ip bgp neighbors command. What is line 21 stating about the BGPconnection?
A.A.A.A.the number of consecutive TCP connections to the specified remote neighbor
B.B.B.B.the number of times the router has established a TCP connection
C.C.C.C.the number of total TCP connections that the router has
D.D.D.D.the number of neighbors that the router has
答案:::: BBBB
30:30:30:30:
The lack of which two prevents VTP information from propagating between switches? (Choosetwo.)
A.A.A.A.VLAN 1
B.B.B.B.
a trunk port
C.C.C.C.VTP priority
D.D.D.D.a root VTP server
答案:::: AAAA BBBB
31:31:31:31:
Refer to the exhibit. Routers R1 and R2 have established a neighbor relationship and areexchanging routing information. The network design requires that R1 receive routing updatesfrom R2, but not advertise any routes to R2. Which configuration command sequence willsuccessfully accomplish this task?
A.A.A.A.R1(config)# router eigrp 1R1(config-router)# passive-interface serial 0
B.B.B.B.R2(config)# router eigrp 1R2(config-router)# passive-interface serial 0
C.C.C.C.R1(config)# access-list 20 deny anyR1(config)# router eigrp 1R1(config-router)# distribute-list 20 out serial 0
D.D.D.D.R2(config)# access-list 20 deny anyR2(config)# router eigrp 1R2(config-router)# distribute-list 20 out serial 0
E.E.E.E.R1(config)# access-list 20 permit anyR1(config)# router eigrp 1R1(config-router)# distribute-list 20 in serial 0
F.F.F.F.R2(config)# access-list 20 permit anyR2(config)# router eigrp 1R2(config-router)# distribute-list 20 in serial 0
答案:::: CCCC
32:32:32:32:
Refer to the exhibit. The wileless user is moving from right to left towards AP2. What are threereasons that the wireless client would initiate roaming? (Choose three.)
A.A.A.A.The client has missed too many beacons from AP1.
B.B.B.B.The client has received too many beacons from AP2.
C.C.C.C.The client data rate fromAP1 has been reduced.
D.D.D.D.The client data rate fromAP2 has been increased.
E.E.E.E.The maximum data retry count fromAP1 is exceeded.
F.F.F.F.The minimum data retry count fromAP1 is exceeded.
答案:::: AAAA CCCC EEEE
33:33:33:33:
Refer to the exhibit. All multilayer switches are running PIM sparse mode. Host B and Host F aresending IGMPv2 join messages to their respective multilayer switches. Which statement is true?
A.A.A.A.The multicast server is the rendezvous point of the multicast tree.
B.B.B.B.Switches 1, 2, 3, and 6 will participate in the multicast tree once pruning has taken place.
C.C.C.C.Switches 2 and 6 will participate in the multicast tree once pruning has taken place.
D.D.D.D.Switches 1, 2, 3, and 6 will participate in the multicast tree.
E.E.E.E.Switch 1 is the rendezvous of the multicast tree.
答案:::: DDDD
34:34:34:34:
When an IPv6 enabled host boots, it sends a router solicitation (RS) message. An IPv6 routerresponds with a router advertisement (RA). Which two items are contained in the RA? (Choosetwo.)
A.A.A.A.IPv6 address for the host
B.B.B.B.lifetime of the prefix
C.C.C.C.prefixes for the link
D.D.D.D.keepalive timers
E.E.E.E.request for the local host IP address
F.F.F.F.any route advertisements it has received
答案:::: BBBB CCCC
35:35:35:35:
Refer to the exhibit. A workstation PC is connected to the Cisco IP phone access port. Based on
the configuration in the exhibit, how will the traffic be managed?
A.A.A.A.The IP phone access port will override the priority of the frames received from the PC.
B.B.B.B.The IP phone access port will trust the priority of the frames received from the PC.
C.C.C.C.The switch port Fa0/4 will override the priority of the frames received from the PC.
D.D.D.D.The switch port Fa0/4 will trust the priority for the frames received from the PC.
答案:::: AAAA
36:36:36:36:
Refer to the exhibit. Host A has sent an ARP message to the default gateway IP address 10.10.10.1.Which statement is true?
A.A.A.A.Because of the invalid timers that are configured, DSw1 will not reply.
B.B.B.B.DSw1 will reply with the IP address of the next AVF.
C.C.C.C.DSw1 will reply with the MAC address of the next AVF.
D.D.D.D.Because of the invalid timers that are configured, DSw2 will not reply.
E.E.E.E.DSw2 will reply with the IP address of the next AVF.
F.F.F.F.DSw2 will reply with the MAC address of the next AVF.
答案:::: FFFF
37:37:37:37:
Which statement is true regarding the configuration of ISL trunks?
A.A.A.A.
All Catalyst switches support ISL trunking.
B.B.B.B.A Catalyst switch will report giants if one side is configured for ISL while the other side is not.
C.C.C.C.ISL trunking requires that native VLANs match.
D.D.D.D.A Catalyst switch cannot have ISL and IEEE 802.1q trunks enabled.
答案:::: BBBB
38:38:38:38:
Which three characteristics are true about voice traffic in the campus network? (Choose three.)
A.A.A.A.bursty
B.B.B.B.greedy
C.C.C.C.drop sensitive
D.D.D.D.delay sensitive
E.E.E.E.UDP priority
F.F.F.F.TCP retransmits
答案:::: CCCC DDDD EEEE
39:39:39:39:
Refer to the exhibit. Autonomous systems 200 and 300 have EBGP sessions established with theirdirectly connected routers in autonomous system 100. IGP has been configured on all routers inautonomous system 100 and they successfully exchange routing updates. Traffic originated inautonomous system 200 cannot reach the destination autonomous system 300. What configurationshould be done on the routers in autonomous system 100 in order for the traffic coming from
autonomous system 200 to be forwarded to autonomous system 300?
A.A.A.A.IBGP session must be established between routers R1 and R3, and the synchronization must beturned on.
B.B.B.B.IBGP session must be established between routers R1 and R3, and the synchronization must beturned off.
C.C.C.C.IBGP session must be established between routers R1 ?R2 and R2 ?R3, and the synchronizationmust be turned on.
D.D.D.D.IBGP session must be established between routers R1 ?R2 and R2 ?R3, and the synchronizationmust be turned off.
E.E.E.E.IBGP speakers within autonomous 100 must be fully meshed, and the synchronization must beturned on.
F.F.F.F.IBGP speakers within autonomous 100 must be fully meshed, and the synchronization must beturned off.
答案:::: FFFF
40:40:40:40:
If no metric is specified for the routes being redistributed into IS-IS, what metric value is assignedto the routes?
A.A.A.A.0
B.B.B.B.1
C.C.C.C.10
D.D.D.D.20
答案:::: AAAA
41:41:41:41:
Which three IP multicast group concepts are true? (Choose three.)
A.A.A.A.If a packet is sent to a multicast group address, all members of the multicast group will receive it.
B.B.B.B.If a packet is sent to a multicast group address, the multicast frame contains the source multicastaddress.
C.C.C.C.A router does not have to be a member of a multicast group to receive multicast data.
D.D.D.D.A router does not have to be a member of a multicast group to send to the group.
E.E.E.E.A router must be a member of a multicast group to receive multicast data.
F.F.F.F.A router must be a member of a multicast group to send to the group.
答案:::: AAAA DDDD EEEE
42:42:42:42:
Which two statements about the IS-IS routing protocol are true? (Choose two.)
A.A.A.A.IS-IS is capable of supporting IPv4 and IPv6.
B.B.B.B.IS-IS is only capable of supporting IPv4 and CLNS.
C.C.C.C.IS-IS routers use ES-IS hellos (ESH) to establish and to maintain neighbor relationships.
D.D.D.D.IS-IS routers run the Bellman-Ford algorithm against their LSDBs to pick the best paths.
E.E.E.E.Level 1 routers learn about paths within the area of which they are a part.
F.F.F.F.Level 2 routers learn about paths both within areas and between areas.
答案:::: AAAA EEEE
43:43:43:43:
Refer to the exhibit. Which two statements are correct? (Choose two.)
A.A.A.A.All six routes will be installed in the routing table.
B.B.B.B.Two routes will be installed in the routing table.
C.C.C.C.Four routes will be installed in the routing table.
D.D.D.D.All the routes were redistributed into BGP from an IGP.
E.E.E.E.All the routes were originated by BGP with the network command.
答案:::: CCCC DDDD
44:44:44:44:
What are three possible router states of HSRP routers on a LAN? (Choose three.)
A.A.A.A.standby
B.B.B.B.established
C.C.C.C.active
D.D.D.D.idle
E.E.E.E.backup
F.F.F.F.initial
答案:::: AAAA CCCC FFFF
45:45:45:45:
Which two statements correctly describe the association process between a lightweight accesspoint and a WLAN controller? (Choose two.)
A.A.A.A.In order to associate in Layer 3 mode, the access point must have been preconfigured with an IPaddress.
B.B.B.B.An access point first searches for a controller in LWAPP Layer 2 mode. If the search is notsuccessful, the access point then attempts to locate a controller in LWAPP Layer 3 mode.
C.C.C.C.Once an access point associates with a controller in LWAPP Layer 3 mode, it receives an IPaddress from the controller.
D.D.D.D.An access point will search for a controller using a broadcast address if using LWAPP Layer 2mode and a unicast address if using LWAPP Layer 3 mode.
E.E.E.E.If multiple wireless controllers are detected by an access point, the controller with the fewestassociated access points is chosen to associate with.
答案:::: BBBB EEEE
46:46:46:46:
A client is searching for an access point (AP). What is the correct process order that the client andaccess point go through to create a connection?
A.A.A.A.probe request/response, authentication request/response, association request/response
B.B.B.B.association request/response, authentication request/response, probe request/response
C.C.C.C.probe request/response, association request/response, authentication request/response
D.D.D.D.association request/response, probe request/response, authentication request/response
答案:::: AAAA
47:47:47:47:
Which three route filtering statements are true? (Choose three.)
A.A.A.A.After the router rip and passive-interface s0/0 commands have been issued, the s0/0 interface willnot send any RIP updates, but will receive routing updates on that interface.
B.B.B.B.After the router eigrp 10 and passive-interface s0/0 commands have been issued, the s0/0 interfacewill not send any EIGRP updates, but will receive routing updates on that interface.
C.C.C.C.After the router ospf 10 and passive-interface s0/0 commands have been issued , the s0/0 interfacewill not send any OSPF updates, but will receive routing updates on that interface.
D.D.D.D.When you use the passive-interface command with RIPv2, multicasts are sent out the specifiedinterface.
E.E.E.E.When you use the passive-interface command with EIGRP, hello messages are not sent out thespecified interface.
F.F.F.F.When you use the passive-interface command with OSPF, hello messages are not sent out thespecified interface.
答案:::: AAAA EEEE FFFF
48:48:48:48:
Refer to the exhibit. Based upon the information that is given, how will voice traffic from thephone and data traffic from the PC be handled by SW_1?
A.A.A.A.The switch port will trust the CoS value of the ingress voice and data traffic that comes into theswitch port.
B.B.B.B.The switch port will perform marking for the ingress voice and data traffic by using the defaultCoS value at the switch port.
C.C.C.C.The switch port will trust the CoS value of the ingress voice traffic. Data traffic will be marked atthe switch port with the default CoS value.
D.D.D.D.The switch port will trust the CoS value of the ingress data traffic. Voice traffic will be marked atthe switch port with the default CoS value.
答案:::: AAAA
49:49:49:49:
Refer to the exhibit. A Cisco Aironet Wireless LAN Client Adapter has been installed andconfigured through the ADU on the PC. The Aironet System Tray Utility (ASTU) has beenenabled during the installation and the icon appears in the system tray area in the lower right of thedesktop. What is the significance of the icon?
A.A.A.A.It indicates that the radio of the client adapter is disabled.
B.B.B.B.It indicates that the client adapter is not associated to an access point or another client.
C.C.C.C.It indicates that the client adapter is associated to an access point or another client, but the user isnot EAP authenticated.
D.D.D.D.It indicates that the client adapter is associated to an access point or another client, that the user isauthenticated if the client adapter is configured for EAP authentication, and that the signal strengthis excellent or good.
E.E.E.E.It indicates that the client adapter is associated to an access point or another client, that the user isauthenticated if the client adapter is configured for EAP authentication, and that the signal strength
is fair.
F.F.F.F.It indicates that the client adapter is associated to an access point or another client, that the user isauthenticated if the client adapter is configured for EAP authentication, and that the signal strengthis poor.
答案:::: FFFF
50:50:50:50:
For what purpose is the command config network webmode enable used?
A.A.A.A.to allow HTTPS access to the WLAN controller
B.B.B.B.to allow HTTP access to the WLAN controller
C.C.C.C.to allow SSH access to the CLI of the WLAN controller
D.D.D.D.to allow SSL access to the CLI of the WLAN controller
答案:::: AAAA
1:1:1:1:
By default, which statement is correct regarding the redistribution of routes from other routingprotocols into OSPF?
A.A.A.A.They will appear in the OSPF routing table as type E1 routes.
B.B.B.B.They will appear in the OSPF routing table as type E2 routes.
C.C.C.C.Summarized routes are not accepted.
D.D.D.D.All imported routes will be automatically summarized when possible.
E.E.E.E.Only routes with lower administrative distances will be imported.
答案:::: BBBB
2:2:2:2:
Which attribute must exist in the BGP update packet?
A.A.A.A.LOCAL_ PREF
B.B.B.B.AGGREGATOR
C.C.C.C.AS_Path
D.D.D.D.Weight
答案:::: CCCC
3:3:3:3:
Refer to the exhibit. What are two important facts in interpreting the output of the show ip piminterface command? (Choose two.)
A.A.A.A.Multiaccess segments elect a DR based on lowest IP address.
B.B.B.B.Multiaccess segments elect a DR based on highest IP address.
C.C.C.C.Multiaccess, multicast segments do not elect a DR.
D.D.D.D.The RP is only seen in version 2 of Sparse-Dense mode.
E.E.E.E.Point-to-Point links do not display DR information.
答案:::: BBBB EEEE
4:4:4:4:
Refer to the exhibit. The neighbor 10.1.1.1 weight 200 BGP configuration command has beenconfigured on router A. What will be the result of this configuration?
A.A.A.A.Router A will prefer the path through router B for network 172.20.0.0.
B.B.B.B.Router A will prefer the path through router C for network 172.20.0.0.
C.C.C.C.Packets from router D will prefer the path through router B for networks advertised by router A.
D.D.D.D.Packets from router D will prefer the path through router C for networks advertised by router A.
答案:::: AAAA
5:5:5:5:
Why should iBGP sessions be fully meshed within a Transit AS?
A.A.A.A.BGP requires redundant TCP sessions between iBGP peers.
B.B.B.B.A full mesh allows for optimal routing within the Transit AS.
C.C.C.C.Routes learned via iBGP are never propagated to other eBGP peers.
D.D.D.D.Routes learned via iBGP are never propagated to other iBGP peers.
E.E.E.E.Routes learned via eBGP are never propagated to other iBGP peers.
答案:::: DDDD
6:6:6:6:
For the accompanying router output, which of the following statements describes the state thatneighbor 172.16.254.3 is in?
A.A.A.A.The router will not accept connections from the peer.
B.B.B.B.The router has sent out an active TCP connection request to the peer.
C.C.C.C.The router is listening on its server port for connection requests from the peer.
D.D.D.D.BGP can exchange routing information in this state.
答案:::: CCCC
7:7:7:7:
OSPF is configured over a Frame Relay network as shown in the exhibit. All PVCs are active.However, R1 and R3 fail to see all OSPF routes in their routing tables. The show ip ospf neighborcommand executed on R2 shows the state of the neighbors. What should be done to fix theproblem?
A.A.A.A.The ip ospf network non-broadcast command should be configured on each Frame Relayinterface.
B.B.B.B.The ip ospf network broadcast command should be configured on each Frame Relay interface.
C.C.C.C.The neighbor command should be configured under the OSPF routing process on all routers.
D.D.D.D.The ip ospf priority value on the hub router should be set to 0.
E.E.E.E.The ip ospf priority value on the spoke routers should be set to 0.
答案:::: EEEE
8:8:8:8:
Which three of the following are features of the IS-IS routing protocol? (Choose three)
A.A.A.A.link-state routing protocol
B.B.B.B.inefficient use of bandwidth not appropriate for an ISP
C.C.C.C.supports VLSM
D.D.D.D.uses spanning tree algorithm for fast convergence
E.E.E.E.supports two routing levels within an autonomous system
F.F.F.F.operation is similar to BGP
答案:::: AAAA CCCC EEEE
9:9:9:9:
What are three kinds of OSPF areas? (Choose three.)
A.A.A.A.stub
B.B.B.B.active
C.C.C.C.remote
D.D.D.D.backbone
E.E.E.E.ordinary or standard
答案:::: AAAA DDDD EEEE
10:10:10:10:
Refer to the exhibit. Which Catalyst switch interface command would be used to cause the switchto instruct the phone to override the incoming CoS from the PC before forwarding the packet tothe switch?
A.A.A.A.switchport priority extend trust
B.B.B.B.switchport priority extend cos 2
C.C.C.C.switchport priority extend cos 11
D.D.D.D.mls qos cos 2
E.E.E.E.mls qos cos 2 override
答案:::: BBBB
11:11:11:11:
Which two statements about multicast addressing are true? (Choose two.)
A.A.A.A.To calculate the Layer 2 multicast address, the host maps the last 24 bits of the IP address into thelast 24 bits of the MAC address. The high-order bit is set to 0.
B.B.B.B.To calculate the Layer 2 multicast address, the host maps the last 23 bits of the IP address into thelast 24 bits of the MAC address. The high-order bit is set to 0.
C.C.C.C.To calculate the Layer 2 multicast address, the host maps the last 23 bits of the IP address into thelast 24 bits of the MAC address. The high-order bit is set to 1.
D.D.D.D.The first 3 bytes (24 bits) of the multicast MAC address are 0x01-00-5E. This is a reserved value
that indicates a multicast application.
E.E.E.E.The last 3 bytes (24 bits) of the multicast MAC address are 0x01-00-5E. This is a reserved valuethat indicates a multicast application.
F.F.F.F.The first 23 bits of the multicast MAC address are 0x01-00-5E. This is a reserved value thatindicates a multicast application.
答案:::: BBBB DDDD
12:12:12:12:
Refer to the exhibit. Routers R1 and R2 are running EIGRP and have converged. On the basis ofthe information that is presented, which statement is true?
A.A.A.A.All outgoing routing updates from router R1 to router R2 will be suppressed, but the inboundupdates will continue to be received.
B.B.B.B.All incoming routing updates from R2 will be suppressed, but the outgoing updates will continueto be sent.
C.C.C.C.Both outgoing and incoming routing updates on R1 will be stopped because of the
passive-interface Serial0/0 configuration statement.
D.D.D.D.Both outgoing and incoming routing updates on R1 will be permitted because the distribute-list 20out Serial0/0 command cannot be used with association with the outgoing interface.
答案:::: CCCC
13:13:13:13:
Given the accompanying output, which additional command is needed to redistribute IGRP intoEIGRP?
Router eigrp 123Network 10.10.10.0No auto-summary!Router igrp 123Network 172.16.0.0Network 172.17.0.0
A.A.A.A.Under the router igrp mode add redistribute eigrp 123
B.B.B.B.Under the router eigrp mode add redistribute igrp 123
C.C.C.C.Under the router eigrp mode add redistribute igrp 123 subnets
D.D.D.D.None, EIGRP and IGRP are automatically redistributed in this instance.
答案:::: DDDD
14:14:14:14:
What is the difference between the IPv6 addresses ::/0 and ::/128?
A.A.A.A.::/0 is the unspecified address, and ::/128 is the multicast address.
B.B.B.B.::/0 is the unicast address, and ::/128 is the anycast address.
C.C.C.C.::/0 is the unicast address, and ::/128 is the multicast address.
D.D.D.D.::/0 is the anycast address, and ::/128 is the multicast address.
E.E.E.E.::/0 is the default route, and ::/128 is the unspecified address.
F.F.F.F.::/0 is the anycast address, and ::/128 is the default address.
答案:::: EEEE
15:15:15:15:
Which two conditions can cause BGP neighbor establishment to fail? (Choose two.)
A.A.A.A.There is an access list blocking all TCP traffic between the two BGP neighbors.
B.B.B.B.The IBGP neighbor is not directly connected.
C.C.C.C.BGP synchronization is enabled in a transit autonomous system with fully-meshed IBGPneighbors.
D.D.D.D.The BGP update interval is different between the two BGP neighbors.
E.E.E.E.The BGP neighbor is referencing an incorrect autonomous system number in its neighborstatement.
答案:::: AAAA EEEE
16:16:16:16:
Which two statements are true about recommended practices in VLAN design? (Choose two.)
A.A.A.A.Routing should occur at the access layer if voice VLANs are utilized. Otherwise, routing should
occur at the distribution layer.
B.B.B.B.Routing should always be performed at the distribution layer.
C.C.C.C.Routing should not be performed between VLANs located on separate switches.
D.D.D.D.VLANs should be localized to a switch.
E.E.E.E.VLANs should be localized to a single switch unless voice VLANs are being utilized.
答案:::: BBBB DDDD
17:17:17:17:
What is the MAC address that would be derived from the multicast address 239.255.0.1?
A.A.A.A.01-00-5e-7f-00-01
B.B.B.B.00-00-00-7f-00-01
C.C.C.C.10-00-5e-7f-00-01
D.D.D.D.10-00-ef-ff-00-01
E.E.E.E.01-01-ef-ff-00-01
答案:::: AAAA
18:18:18:18:
Refer to the exhibit. By default, when RTB passes BGP advertisements from RTA about network192.168.2.0 to RTC, what address will be listed as the next-hop address?
A.A.A.A.10.1.1.1
B.B.B.B.10.1.1.2
C.C.C.C.192.168.1.49
D.D.D.D.192.168.1.50
答案:::: DDDD
19:19:19:19:
Refer to the exhibit. What is the sequence of events when a VoIP call is placed from IP phone P1to IP phone P2?
A.A.A.A.RTP traffic is exchanged between IP phone P1 and IP phone P2.IP phone P1 alerts the CCM of off-hook state.CCM instructs IP phone P1 to provide dialtone.IP phone P1 passes digits to CCM.CCM routes call to PSTN or IP phone P2.
B.B.B.B.CCM instructs IP phone P1 to provide dialtone.IP phone P1 alerts the CCM of off-hook state.IP phone P1 passes digits to CCM.CCM routes call to PSTN or IP phone P2.RTP traffic is exchanged between IP phone P1 and IP phone P2.
C.C.C.C.CCM instructs IP phone P1 to provide dialtone.IP phone P1 alerts the CCM of off-hook state.IP phone P1 passes digits to CCM.RTP traffic is exchanged between IP phone P1 and IP phone P2.CCM routes call to PSTN or IP phone P2.
D.D.D.D.IP phone P1 alerts the CCM of off-hook state.CCM instructs IP phone P1 to provide dialtone.IP phone P1 passes digits to CCM.CCM routes call to PSTN or IP phone P2.
RTP traffic is exchanged between IP phone P1 and IP phone P2.
答案:::: DDDD
20:20:20:20:
What technique should be used on BGP edge routers to prevent a multi-homed autonomoussystem from becoming a transit system?
A.A.A.A.Advertise with a high MED value all networks that are discovered via external BGP.
B.B.B.B.Remove the AS-Path information on all routes in the BGP table prior to advertising externally.
C.C.C.C.Only advertise networks externally if they have been discovered via internal BGP.
D.D.D.D.Use an outgoing distribution list to filter all networks not originating from inside the autonomoussystem.
E.E.E.E.Set the no-export community attribute on all networks that are advertised externally.
F.F.F.F.Set the origin code to incomplete for all networks that are discovered via external BGP.
答案:::: DDDD
21:21:21:21:
Which method used by GLBP allows the AVG to prefer one GLBP router as the AVF over otherGLBP routers until its tracked interface goes down, when another router might be more preferred?
A.A.A.A.no glbp group load-balancing
B.B.B.B.glbp group load-balancing host-dependent
C.C.C.C.glbp group load-balancing round-robin
D.D.D.D.glbp group load-balancing weighted
答案:::: DDDD
22:22:22:22:
Which three are benefits of IS-IS over OSPF? (Choose three.)
A.A.A.A.supports more routers in an area
B.B.B.B.does not require Hello packets to establish neighbor relationships
C.C.C.C.produces fewer link state advertisements for a given network
D.D.D.D.supports route tags
E.E.E.E.supports network layer protocols other than IP
F.F.F.F.requires fewer neighbor relationships in a broadcast multiaccess network
答案:::: AAAA CCCC EEEE
23:23:23:23:
Refer to the exhibit. The signal transmitted from the AP is reflected off a wall resulting inmultipath interference at the client end. Which statement is true?
A.A.A.A.
If signal 1 is in phase with signal 2, the result is essentially zero signal or a dead spot in theWLAN.
B.B.B.B.If signal 2 is close to 360 degrees out of phase with signal 1, the result is essentially zero signal ora dead spot in the WLAN.
C.C.C.C.Multipath interference is solved by using dual antennas.
D.D.D.D.Multipath interference is less of an issue when using a DSSS technology because multipath isfrequency selective.
E.E.E.E.The transmitted signal from the AP arrives at the client at slightly different times resulting in phaseshifting.
答案:::: EEEE
24:24:24:24:
Which three WLAN statements are true? (Choose three.)
A.A.A.A.A lightweight AP receives control and configuration from a WLAN controller to which it isassociated.
B.B.B.B.AWLAN client that is operating in half-duplex mode will delay all clients in that WLAN.
C.C.C.C.Ad hoc mode allows mobile clients to connect directly without an intermediate AP.
D.D.D.D.Another term for infrastructure mode is independent service set (IBSS).
E.E.E.E.The Aironet 1230 access point is an example of an access point that operates solely as alightweight access point.
F.F.F.F.WLANs are designed to share the medium and can easily handle an increased demand of channelcontention.
答案:::: AAAA BBBB CCCC
25:25:25:25:
Refer to the exhibit. Which two statements are true about the required switch configurations tosupport a voice VLAN? (Choose two.)
A.A.A.A.CDP must be disabled on the switch port to prevent interference between CDP messages and voicetraffic.
B.B.B.B.CDP must be enabled on the switch port to allow configuration information to be passed to the IPphone.
C.C.C.C.Static secure MAC addresses should be configured on voice vlan ports to prevent access bydevices other than IP phones.
D.D.D.D.Portfast must be enabled on the switch port.
E.E.E.E.802.1x authentication cannot be configured on a port configured for a voice vlan.
F.F.F.F.Port security cannot be configured on a port that is configured for a voice vlan.
答案:::: BBBB DDDD
26:26:26:26:
Which command displays the IBGP and EBGP neighbors that are configured?
A.A.A.A.show ip bgp
B.B.B.B.show ip bgp paths
C.C.C.C.show ip bgp peers
D.D.D.D.show ip bgp summary
答案:::: DDDD
27:27:27:27:
A network administrator has enabled OSPF across an NBMA network and has issued thecommand ip ospf network nonbroadcast. Given those facts, which two statements are true?(Choose two.)
A.A.A.A.DR and BDR elections will occur.
B.B.B.B.DR and BDR elections will not occur.
C.C.C.C.All routers must be configured in a fully meshed topology with all other routers.
D.D.D.D.The neighbor command is required to build adjacencies.
E.E.E.E.Interfaces will automatically detect and build adjacencies with neighbor routers.
答案:::: AAAA DDDD
28:28:28:28:
Which statement is true about the Lightweight Access Point Protocol (LWAPP)?
A.A.A.A.The control traffic between the client and the access point is encapsulated with the LWAPP.
B.B.B.B.Data traffic between the client and the access point is encapsulated with LWAPP.
C.C.C.C.Authentication, security, and mobility are handled by the access point.
D.D.D.D.Real-time frame exchange is accomplished within the access point.
答案:::: DDDD
29:29:29:29:
Which three statements are true about the Internet Group Management Protocol (IGMP)? (Choosethree.)
A.A.A.A.IGMP is a multicast routing protocol that makes packet-forwarding decisions independent of otherrouting protocols such as EIGRP.
B.B.B.B.IGMP is used to register individual hosts with a multicast group.
C.C.C.C.IGMP messages are IP datagrams with a protocol value of 2, destination address of 224.0.0.2, anda TTL value of 1.
D.D.D.D.IGMP snooping runs on Layer 3 routers.
E.E.E.E.IGMP version 3 enables a multicast receiving host to specify to the router which sources it shouldforward traffic from.
F.F.F.F.There are three IGMPmodes: dense mode, sparse mode, and sparse-dense mode.
答案:::: BBBB CCCC EEEE
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