69960204-Ewan-Final-A

1. Which encapsulation protocol when deployed on a Cisco router over a serial interface is only compatible with another Cisco router? PPP SLIP HDLC Frame Relay

2. What is a characteristic feature of a worm? exploits a known vulnerability attaches to executable programs masquerades as a legitmate program lies dormant until triggered by an event, time, or date

3. An administrator is configuring a dual stack router with IPv6 and IPv4 using RIPng. The administrator receives an error message when trying to enter the IPv4 routes into RIPng. What is the cause of the problem? When IPv4 and IPv6 are configured on the same interface, all IPv4 addresses are over-written in favor of the newer technology. Incorrect IPv4 addresses are entered on the router interfaces. RIPng is incompatible with dual-stack technology. IPv4 is incompatible with RIPng.

4. Which statement accurately describes a characteristic of a security policy? It creates a basis for legal action if necessary. It should not need altering once it is implemented. It provides step-by-step procedures to harden routers and other network devices. It is kept private from users to prevent the possibility of circumvention of security measures.

5. Which characteristic of VPN technology prevents the contents of data communications from being read by unauthorized parties? QoS latency reliability confidentiality

6. Refer to the exhibit. A network administrator is configuring Frame Relay on router HQ. It is desired that each Frame Relay PVC between the routers be in a separate subnet. Which two commands on HQ will accomplish this task for the connection to R1? (Choose two.) HQ(config)# interface S0/0/0 HQ(config)# interface S0/0/0.1 multipoint HQ(config)# interface S0/0/0.1 point-to-point HQ(config-subif)# frame-relay interface dlci 103 HQ(config-subif)# frame-relay interface dlci 301 HQ(config-if)# frame-relay map ip 172.16.1.1 255.255.255.0 301 broadcast

7. Refer to the exhibit. Router1 and Router2 are directly connected over a point-to-point serial link. Router1 initiates a PPP session with Router2. Which statement is true based on the configuration? The password is sent in clear text. The routers are unable to authenticate. The username and password are sent encrypted. A hash value of the username and password are sent.

8. A technician has been asked to run Cisco SDM one-step lockdown on the router of a customer. What will be the result of this process? Traffic is only forwarded from SDM-trusted Cisco routers. Security testing is performed and the results are saved as a text file stored in NVRAM. The router is tested for potential security problems and any necessary changes are made. All traffic entering the router is quarantined and checked for viruses before being forwarded.

9. Which two statements are true about creating and applying access lists? (Choose two.) There is an implicit deny at the end of all access lists. One access list per port, per protocol, per direction is permitted. Access list entries should filter in the order from general to specific. The term "inbound" refers to traffic that enters the network from the router interface where the ACL is applied. Standard ACLs should be applied closest to the source while extended ACLs should be applied closest to the destination.

10. Refer to the exhibit. Company ABC expanded its business and recently opened a new branch office in another country. IPv6 addresses have been used for the company network. The data servers Server1 and Server2 run applications which require end-to-end functionality, with unmodified packets that are forwarded from the source to the destination. The edge routers R1 and R2 support dual stack configuration. What solution should be deployed at the edge of the company network in order to successfully interconnect both offices? a new WAN service supporting only IPv6 NAT overload to map inside IPv6 addresses to outside IPv4 address a manually configured IPv6 tunnel between the edge routers R1 and R2 static NAT to map inside IPv6 addresses of the servers to an outside IPv4 address and dynamic NAT for the rest of the inside IPv6 addresses

11. A company uses a PVC with a committed information rate (CIR) of 128 kb/s and a committed burst information rate (CBIR) of 64 kb/s. The link is used to periodically send updates at a rate of 144 kb/s. What will happen to the update traffic? The traffic will be sent, but the company will be charged a penalty. The traffic will be sent using the additional CBIR and will be guaranteed delivery. The traffic will be dropped at the CO for exceeding the committed information rate. The traffic will be sent, but the burst traffic will be marked for discard if congestion is encountered.

12. Refer to the exhibit. All devices are configured as shown in the exhibit. PC1 is unable to ping the default gateway. What is the cause of the problem? The default gateway is in the wrong subnet. STP has blocked the port that PC1 is connected to. Port Fa0/2 on S2 is assigned to the wrong VLAN. S2 has the wrong IP address assigned to the VLAN30 interface.

13. A system administrator must provide Internet connectivity for ten hosts in a small remote office. The ISP has assigned two public IP addresses to this remote office. How can the system administrator configure the router to provide Internet access to all ten users at the same time? Configure DHCP and static NAT. Configure dynamic NAT for ten users. Configure static NAT for all ten users. Configure dynamic NAT with overload.

14. Refer to the exhibit. From the output of the show interfaces and ping commands, at which layer of the OSI model is a fault indicated? application transport network data link physical

15. Refer to the exhibit. Results of the show vlan and show vtp status commands for switches S1 and S2 are displayed in the exhibit. VLAN 11 was created on S1. Why is VLAN 11 missing from S2? There is a Layer 2 loop. The VTP domain names do not match. Only one switch can be in server mode. S2 has a higher spanning-tree priority for VLAN 11 than S1 does.

16. Refer to the exhibit. What is the effect of the extended ACL when applied inbound on the S0/0/0 interface on R2? All IP traffic will be permitted during the specified days and time range. Both IP and Telnet traffic will be permitted during the specified days and time range. Only Telnet traffic destined for 172.16.10.0/24 will be permitted during the specified days and time range. Telnet traffic will be permitted only during the specified days and time range. All other network traffic will be permitted any time.

17. Which three guidelines would help contribute to creating a strong password policy? (Choose three.) Once a good password is created, do not change it. Deliberately misspell words when creating passwords. Create passwords that are at least 8 characters in length. Use combinations of upper case, lower case, and special characters. Write passwords in locations that can be easily retrieved to avoid being locked out. Use long words found in the dictionary to make passwords that are easy to remember.

18. Refer to the exhibit. How is the TCP/IP configuration information specified by the default-router and dns-server commands made available? The TCP/IP information is forwarded to a 10.0.1.3 to be supplied to DHCP clients. The TCP/IP information is used by DNS clients to forward all data to the default gateway on R1 of 10.0.1.3. The TCP/IP information is supplied to any DHCP client on the network connected to the FastEthernet 0/0 interface of R1. The TCP/IP information is applied to each packet that enters R1 through the FastEthernet 0/0 interface that are hosts on the 10.0.1.0 /24 network except packets from addresses 10.0.1.2, 10.0.1.16, and 10.0.1.254.

19. Which variable is permitted or denied by a standard access control list? protocol type source IP address source MAC address destination IP address destination MAC address

20. When configuring a Frame Relay connection, what is the purpose of Inverse ARP? to assign a DLCI to a remote peer to disable peer requests from determining local Layer 3 addresses to negotiate LMI encapsulations between local and remote Frame Relay peers to create a mapping of DLCI to Layer 3 addresses that belong to remote peers

21. Refer to the exhibit. The exhibit shows simplified protocol data units from different OSI model layers. Which three statements are true about the PDUs and the encapsulation process? (Choose three.) PDU #1 is a frame. PDU #2 is an application layer PDU PDU #3 is a segment. PDU #4 is a transport layer PDU. The order in which these PDUs are created during the encapsulation process is 3, 4, 1, 2. The order in which these PDUs are created during the encapsulation process is 2, 1, 4, 3.

22. Which three application layer protocols use TCP? (Choose three.) SMTP FTP SNMP HTTP TFTP DHCP

23. Which two application layer protocols use the UDP protocol? (Choose two.) Telnet SNMP SMTP SQL TFTP

24. What are two functions that occur at the Internet layer of the TCP/IP model? (Choose two.) establishment of logical connections between source and destination hosts end-to-end flow control determination of best paths through the network definition of the procedures used to interface with the network hardware packet switching Layer 5 and Layer 6 OSI model functions

25. Refer to the exhibit. All ports on switch A are in the sales VLAN and all ports on switch B are in the accounting VLAN. How many broadcast domains and how many collision domains exist in the exhibited network? (Choose two.) 3 collision domains 3 broadcast domains 5 broadcast domains 9 collision domains 10 collision domains 13 collision domains

26. A high-end Catalyst switch that supports both ISL and 802.1Q is to be connected by a link that will carry all VLAN traffic to a Catalyst 2960 LAN switch. What two commands are required to configure an interface on the high-end Catalyst switch to carry traffic from all VLANs to the Catalyst 2960 switch? (Choose two.) Switch(config-if)# vlan all Switch(config-if)# switchport access vlan 30 Switch(config-if)# switchport access vlan all Switch(config-if)# switchport mode trunk Switch(config-if)# switchport trunk encapsulation dot1q Switch(config-if)# switchport trunk encapsulation isl

27. Refer to the exhibit. Based on the exhibited configuration and output, what would be the result of this command: Sw1# telnet 192.168.1.10 All packets will be dropped. The Telnet session will succeed. An error message that says “Session terminated” will appear. An error message that says “Password required, but none set” will appear.

28. Refer to the partial device configuration that is exhibited. For which network topology is the configuration appropriate? RtrA(config)# interface fastethernet 0/0 RtrA(config-if)# no shutdown RtrA(config-if)# interface fastethernet 0/0.18 RtrA(config-subif)# encapsulation dot1q 18 RtrA(config-subif)# ip address 10.1.18.1 255.255.255.0 RtrA(config-subif)# interface fastethernet 0/0.44 RtrA(config-subif)# encapsulation dot1q 44 RtrA(config-subif)# ip address 10.1.44.1 255.255.255.0 RtrA(config-subif)# interface fastethernet 0/0.22 RtrA(config-subif)# encapsulation dot1q 22 RtrA(config-subif)# ip address 10.1.22.1 255.255.255.0

29. Refer to the exhibit and the following error message from the SwA switch.

00:22:43: %SPANTREE-7-RECV_1Q_NON_TRUNK: Received 802.1Q BPDU on non trunk FastEthernet0/1 VLAN1. 00:22:43: %SPANTREE-7-BLOCK_PORT_TYPE: Blocking FastEthernet0/1 on VLAN0001. Inconsistent port type. Considering that the link between the two switches is good and the correct type, what could cause this error message? The Spanning Tree Protocol has been disabled on one switch. The Spanning Tree Protocol has been disabled on both switches. The IEEE 802.1Q trunking port has a speed mismatch on one of the switches. The SwA port is configured as a trunk port and the SwB port is configured as an access port. The SwA port has IEEE 802.1Q trunking enabled and the SwB port has ISL trunking enabled.

30. A network administrator is configuring a switch when an error message appears. The configuration commands and error message appear as follows: Switch(config)# interface fastethernet 0/1 Switch(config-if)# switchport mode trunk Command rejected: An interface whose trunk encapsulation is "Auto" can not be configured to "trunk" mode. What is the problem? The switch port is configured as an access mode port. The switch port does not support trunking on this port. The encapsulation type must be changed to a compatible protocol before the port can be placed in trunk mode. The no switchport trunk encapsulation auto command needs to be applied to the switch port before trunking can be enabled.

31. Of the protocols that are listed, which one needs to be functioning on a link in order for VTP to operate? 802.1Q CDP RIP RSTP

32. Refer to the exhibit. RT_1 is configured correctly with IP addresses and passwords but none of the computers can ping or telnet to RT_1. Which series of commands would correct the problem? RT_1(config)# interface fa0/1 RT_1(config-if)# no shutdown SW_1(config)# interface fa0/24 SW_1(config-if)# switchport mode client RT_1(config)# interface fa0/1 RT_1(config-if)# encapsulation trunk dot1q 24 SW_1(config)# interface fa0/24 SW_1(config-if)# switchport mode trunk SW_1(config)# interface fa0/24 SW_1(config-if)# switchport access vlan 1

33. Refer to the exhibit. Which commands are needed to complete the switch configuration so that SSH can be used to telnet from host A to SW_1? (Choose two.) SW_1(config)# username david password class SW_1(config)# line vty 0 15 SW_1(config-line)# login SW_1(config-line)# password cisco SW_1(config)# line vty 0 15 SW_1(config-line)# login local SW_1(config-line)# transport input ssh SW_1(config)# login ssh SW_1(config)# password class SW_1(config)# login key rsa SW_1(config)# password cisco SW_1(config)# password encrypted cisco

34. What three factors contribute to congestion on an Ethernet LAN? (Choose three.) improper placement of enterprise level servers

addition of hosts to a physical segment replacement of hubs with workgroup switches increasing use of bandwidth intensive network applications creation of new collision domains without first adding network hosts migration to full-duplex Ethernet within the LAN

35. Refer to the exhibit. What protocol should be configured on SW-A Port 0/1 if it is to send traffic from multiple VLANs to switch SW-B? Spanning Tree RIP v2 IEEE 802.1Q ARP Rapid Spanning Tree

36. Which three STP states were replaced with the RSTP discarding state? (Choose three.) listening learning blocking disabled forwarding

37. Refer to the exhibit. What is the role of the SW3 switch? designated switch edge switch root bridge enabled bridge local bridge

38. Refer to the exhibit. A switch can be configured for three different forwarding modes based on how much of a frame is received before the forwarding process begins. Each of the numbered arrows in the accompanying graphic signifies the point in a frame where a particular forwarding mode will begin. Which group of labels reflects the sequence of forwarding modes signified by the numbered arrows? 1) fast forward 2) fragment free 3) store-and-forward 1) store-and-forward 2) fragment free 3) fast forward

1) fragment free 2) fast forward 3) store-and-forward 1) fast forward 2) store-and-forward 3) fragment free

39. What eliminates switching loops? hold-down timers poison reverse spanning tree protocol time to live VTP

40. Refer to the exhibit. Using the most efficient IP addressing scheme and VLSM, which address can be configured on one of the serial interfaces? 192.168.16.63/27 192.168.16.158/27 192.168.16.192/27 192.168.16.113/30 192.168.16.145/30 192.168.16.193/30

41. Consider this router output: Router# confug Translating "confug"...domain server (255.255.255.255) Translating "confug"...domain server (255.255.255.255) (255.255.255.255)% Unknown command or computer name, or unable to find computer address What command could help with this situation? ip dhcp server no ip domain-lookup no logging synchronous no show ip nat translations

42. Refer to the exhibit. With VLSM, which bit mask should be used to most efficiently provide for the number of host addresses that are required on router B? /26 /27

/28 /29 /30

43. What are the three ranges of IP addresses that are reserved for internal private use? (Choose three.) 10.0.0.0/8 64.100.0.0/14 127.16.0.0/12 172.16.0.0/12 192.31.7.0/24 192.168.0.0/16

44. Refer to the exhibit. The network administrator is unable to access the TFTP server attached to the Memphis router. What are two causes of this problem? (Choose two.) The default gateway configured on the network administrator's workstation is not a valid host address. The default gateway configured on the TFTP server in incorrect. The IP address of the TFTP server is a subnetwork address. The IP address of the S0/0/0 interface of the Heliopolis router is a broadcast address. The IP addresses for the Memphis S0/0/1 interface and the Heliopolis S0/0/0 interface are not in the same subnet.

45. The ISP of the XYZ Company is moving to IPv6 but XYZ wants to continue to use only IPv4 for another year. Which IPv4-to-IPv6 transition method would allow the company to continue using only IPv4 addresses? dual stack 6to4 tunnel manual tunneling NAT-PT

46. Given the IP address and subnet mask of 172.16.134.56 255.255.255.224, on which subnetwork does this address reside? 172.16.0.0 172.16.134.0 172.16.134.32 172.16.134.48 172.16.134.47

172.16.134.63

47. What is associated with link-state routing protocols? low processor overhead poison reverse routing loops split horizon shortest-path first calculations

48. Refer to the exhibit. Which sequence of commands should be used to configure router A for OSPF? router ospf 1 network 192.168.10.0 router ospf 1 network 192.168.10.64 0.0.0.63 area 0 network 192.168.10.192 0.0.0.3 area 0 router ospf 1 network 192.168.10.64 255.255.255.192 network 192.168.10.192 255.255.255.252 router ospf 1 network 192.168.10.0 area 0

49. What is one reason to use the ip ospf priority command when the OSPF routing protocol is in use? to activate the OSPF neighboring process to influence the DR/BDR election process to provide a backdoor for connectivity during the convergence process to streamline and speed up the convergence process

50. The output of the show ip interface brief command indicates that Serial0 is up but the line protocol is down. What are two possible causes for the line protocol being in the down state? (Choose two.) The clock rate is not set on the DTE. An incorrect default gateway is set on the router. A network is missing from the routing protocol configuration. The encapsulation on the Serial0 interface is incorrect. Keepalives are not being sent by the remote device.

51. Which router command will verify that the router has a path to a destination network?

Router# show ip interfaces brief Router# show ip route Router# show cdp neighbors Router# show running-config Router# show protocols

52. Refer to the exhibit. When troubleshooting a network, it is important to interpret the output of various router commands. On the basis of the exhibit, which three statements are true? (Choose three.) The missing information for Blank 1 is the command show ip route. The missing information for Blank 1 is the command debug ip route. The missing information for Blank 2 is the number 100. The missing information for Blank 2 is the number 120. The missing information for Blank 3 is the letter R. The missing information for Blank 3 is the letter C. 34. Refer to the exhibit. From the command prompt on the host, the command telnet 192.168.1.10 is typed. The response that is given is this: Trying 192.168.1.10….Open Password required, but none set What is the most likely problem? The router has been configured as a firewall. The Telnet server process must be activated on the router. The switch has not been configured to pass Telnet traffic. The enable secret command has not been entered on RtrA. The password command has not been entered in line configuration mode on RtrA. The password and login commands need to be configured on the console port of RtrA.

53. Refer to the exhibit. If router B is to be configured for EIGRP AS 100, which configuration must be entered? B(config-router)# network 192.168.10.4 0.0.0.3 B(config-router)# network 192.168.10.8 0.0.0.3 B(config-router)# network 192.168.10.4 0.0.0.3 B(config-router)# network 192.168.10.8 0.0.0.3 B(config-router)#network 192.168.10.128 0.0.0.63 B(config-router)# network 192.168.10.4 0.0.0.3 area 0 B(config-router)# network 192.168.10.8 0.0.0.3 area 0 B(config-router)#network 192.168.10.128 0.0.0.63 area 0 B(config-router)# network 192.168.10.4 0.0.0.3 as 100 B(config-router)# network 192.168.10.8 0.0.0.3 as 100 B(config-router)#network 192.168.10.128 0.0.0.63 as 100 B(config-router)# network 192.168.10.4 0.0.0.3 B(config-router)# network 192.168.10.8 0.0.0.3 B(config-router)# network 192.168.10.64 0.0.0.63 B(config-router)# network 192.168.10.128 0.0.0.63 B(config-router)# network 192.168.10.192 0.0.0.63 B(config-router)# network 192.168.10.4 0.0.0.3 as 100 B(config-router)# network 192.168.10.8 0.0.0.3 as 100 B(config-router)# network 192.168.10.64 0.0.0.63 as 100 B(config-router)# network 192.168.10.128 0.0.0.63 as 100 B(config-router)# network 192.168.10.192 0.0.0.63 as 100 B(config-router)# network 192.168.10.4 0.0.0.3 area 100 B(config-router)# network 192.168.10.8 0.0.0.3 area 100 B(config-router)# network 192.168.10.64 0.0.0.63 area 100 B(config-router)# network 192.168.10.128 0.0.0.63 area 100 B(config-router)# network 192.168.10.192 0.0.0.63 area 100

54. After several configuration changes are made to a router, the copy running-configuration startup-configuration command is issued. Where will the changes be stored? flash ROM NVRAM RAM

the configuration register a TFTP server

55. Refer to the exhibit. Two routers have been configured to use EIGRP. Packets are not being forwarded between the two routers. What could be the problem? EIGRP does not support VLSM. The routers were not configured to monitor neighbor adjacency changes. The default bandwidth was used on the routers. An incorrect IP address was configured on a router interface.

56. What are two features of a link-state routing protocol? (Choose two.) Routers send periodic updates only to neighboring routers. Routers send triggered updates in response to a change. Routers create a topology of the network by using information from other routers. The database information for each router is obtained from the same source. Paths are chosen based on the lowest number of hops to the designated router.

57. Refer to the exhibit. Routers A and B have EIGRP configured and automatic summarization has been disabled on both routers. Which router command is used to summarize the attached routes, and to which interface is this command applied? (Choose two.) ip summary-address eigrp 1 192.168.10.64 255.255.255.192 ip area-range eigrp 1 192.168.10.80 255.255.255.224 summary-address 192.168.10.80 0.0.0.31 ip summary-address eigrp 1 192.168.10.64 0.0.0.63 serial interface on router A serial interface on router B

58. A router has learned about network 192.168.168.0 through static and dynamic routing processes. Which route will appear in the routing table for this network if the router has learned multiple routes? D 192.168.168.0/24 [90/2195456] via 192.168.200.1, 00:00:09, FastEthernet0/0 O 192.168.168.0/24 [110/1012] via 192.168.200.1, 00:00:22, FastEthernet0/0 R 192.168.168.0/24 [120/1] via 192.168.200.1, 00:00:17, FastEthernet0/0 S 192.168.168.0/24 [1/0] via 192.168.200.1

59. Which sequence of commands is used to configure a loopback address on a router? Router1(config)# interface loopback 1 Router1(config-if)# ip address 192.168.1.1 Router1(config)# interface serial 0/0 Router1(config-if)# loopback 1 Router1(config-if)# ip address 192.168.1.1 Router1(config)# interface serial 0/0 Router1(config-if)# loopback 1 Router1(config-if)# ip address 192.168.1.1 255.255.255.0 Router1(config)# interface loopback 1 Router1(config-if)# ip address 192.168.1.1 255.255.255.255

60. Which encryption standard would most likely be used in an 802.11 standards-based wireless network environment? ACDP, which has more bits that are used for encryption than CDP has WPA2, which can use the more advanced AES for encryption VTP, which is compatible with all 802.11-type wireless networks RSA, which has a different algorithm than any of the older standards 802.1X EAP, which is the most powerful type of encryption used for both wired and wireless networks

61. Which two commands can be used to verify the content and placement of access control lists? (Choose two.) show ip route show processes show running-config show cdp neighbor show access-lists

62. Which two keywords can be used in an access control list to replace a wildcard mask or address and wildcard mask pair? (Choose two.) most host

all any some gt

63. Refer to the exhibit. NAT with overload is configured on router R1 and uses the NAT pool of addresses 209.165.201.9 through 209.165.201.10. What type of route would the ISP need in order for communication to occur between hosts in Company ABC and the Internet? Because the ISP has knowledge of the directly connected 200.0.0.1 network, no route is needed. A static route from the ISP is needed that uses the network number 172.16.0.0 and the mask 255.255.0.0. A default route from the ISP is needed that uses either the exit interface of S0/0/0 or the 200.0.0.1 IP address. A default route from the ISP is needed that uses either the exit interface of S0/0/1 or the 200.0.0.2 IP address. A static route from the ISP is needed that uses the network number 209.165.201.8 and the mask 255.255.255.252.

64. What is the effect of the access control list wildcard mask 0.0.0.15? (Choose two.) The first 28 bits of a supplied IP address will be ignored. The last four bits of a supplied IP address will be ignored. The first 32 bits of a supplied IP address will be matched. The first 28 bits of a supplied IP address will be matched. The last five bits of a supplied IP address will be ignored. The last four bits of a supplied IP address will be matched.

65. Which three values or sets of values are included when creating an extended access control list statement? (Choose three.) access list number between 1 and 99 access list number between 100 and 199 default gateway address and wildcard mask destination address and wildcard mask source address and wildcard mask source subnet mask and wildcard mask destination subnet mask and wildcard mask

66. Refer to the exhibit. Which statement describes the status of the PPP connection? Only the link-establishment phase completed successfully. Only the network-layer phase completed successfully. Neither the link-establishment phase nor the network-layer phase completed successfully.

Both the link-establishment and network-layer phase completed successfully.

67. Which three statements are true regarding the Frame Relay LMI? (Choose three.) The LMI provides a virtual circuit (VC) status mechanism. The LMI type must always be manually configured. The available LMI types are CHAP and PAP. The LMI types supported by Cisco routers are CISCO and IETF. The LMI type configured on the router must match the one used on the Frame Relay switch. The LMI uses reserved DLCIs to exchange messages between the DTE and DCE.

68. A network administrator is evaluating authentication protocols for a PPP link. Which three factors might lead to the selection of CHAP over PAP as the authentication protocol? (Choose three.) establishes identities with a two-way handshake uses a three-way authentication periodically during the session to reconfirm identities control by the remote host of the frequency and timing of login events transmits login information in encrypted format uses an unpredictable variable challenge value to prevent playback attacks makes authorized network administrator intervention a requirement to establish each session

69. Which three statements are true about PPP? (Choose three.) PPP can use synchronous and asynchronous circuits. PPP can only be used between two Cisco devices. PPP carries packets from several network layer protocols in LCPs. PPP uses LCPs to establish, configure, and test the data link connection. PPP uses LCPs to agree on format options such as authentication, compression, and error detection.

70. What are three examples of TCP/IP application layer protocols? (Choose three.) a terminal emulation protocol that supports remote console connections with various network devices a protocol created by IBM that makes it easier for mainframes to connect to remote offices a protocol responsible for transporting electronic mail on TCP/IP networks and the Internet a protocol that controls the rate at which data is sent to another computer a protocol that exchanges network management information between a network device and a management console a protocol that conducts a test of the path through which a packet travels from source to destination

71. What are two characteristics of TCP? (Choose two.) data transport reliability best path determination establishing, maintaining, and terminating virtual circuits encapsulation of packets in a data frame with source and destination MAC addresses best-effort datagram delivery

72. Refer to the exhibit. What type of Layer 2 encapsulation will be used for connection D on the basis of this configuration on a newly installed router: RtrA(config)# interface serial0/0/0 RtrA(config-if)# ip address 128.107.0.2 255.255.255.252 RtrA(config-if)# no shutdown Ethernet Frame Relay HDLC PPP

73. Which three factors contribute to congestion on an Ethernet LAN? (Choose three.) improper placement of enterprise level servers addition of hosts to a physical segment replacement of hubs with workgroup switches increasing use of bandwidth intensive network applications creation of new collision domains without first adding network hosts migration to full-duplex Ethernet within the LAN

74. A Catalyst switch must be in which VTP mode in order to delete or add VLANs to a management domain? client server domain transparent designated

75. What creates a loop-free path through a switch network? hold-down timers poison reverse Spanning Tree Protocol Time to Live Split Horizon Protocol Routing Information Protocol

76. Refer to the exhibit. All ports on switch fl-1 are in the Production VLAN and all ports on switch fl-2 are in the Development VLAN. How many broadcast domains and how many collision domains are in the network? (Choose two.) one broadcast domain three broadcast domains three collision domains five broadcast domains nine collision domains ten collision domains

77. Refer to the exhibit. VLAN10 and VLAN20 have been created on SW_1 and SW_2 and switch ports have been assigned to the appropriate VLAN. Workstations in VLAN 10 can ping workstations in VLAN 10 that connect to either switch, but workstations in VLAN 20 cannot ping workstations in VLAN 20 on the opposite switch. Based on the output, what is most likely the problem? FA 0/1 on SW_1 needs to be assigned to VLAN 20. FA 0/1 on SW_2 needs to be assigned to VLAN 20. VTP is not working properly between SW_1 and SW_2. Interfaces FA0/1 on SW_1 and SW_2 need to be configured as trunk ports. Interfaces FA0/3 on both switches need to be configured as access ports.

78. Refer to the exhibit. What can be concluded from the output that is shown? The management VLAN is VLAN 99. The only VLAN that can be applied to switch ports is VLAN 99. The only VLANs that can be applied to switch ports are VLANs 1 and 99. The switch will only be able to forward frames for hosts on the 10.99.0.0 network.

Refer to the exhibit and the following error message from the SwA switch. 00:22:43: %SPANTREE-7-RECV_1Q_NON_TRUNK: Received 802.1Q BPDU on non trunk FastEthernet0/1 VLAN1. 00:22:43: %SPANTREE-7-BLOCK_PORT_TYPE: Blocking FastEthernet0/1 on VLAN0001. Inconsistent port type. Considering that the link between the two switches is good and the correct type, what could cause this error message? The Spanning Tree Protocol has been disabled on one switch. The Spanning Tree Protocol has been disabled on both switches. The IEEE 802.1Q trunking port has a speed mismatch on one of the switches. The SwA port is configured as a trunk port and the SwB port is configured as an access port. The SwA port has IEEE 802.1Q trunking enabled and the SwB port has ISL trunking enabled.

79. Refer to the exhibit. Based on the exhibited configuration and output, why is VLAN 99 missing? because there is a cabling problem on VLAN 99 because VLAN 99 is not a valid management VLAN because VLAN 1 is up and there can only be one management VLAN on the switch because VLAN 99 needs to be entered as a VLAN under an interface before it can become an active interface because the VLAN 99 has not been manually entered into the VLAN database with the vlan 99 command

80. Refer to the exhibit. Which command needs to be used on router interface Fa 0/1 to complete the VLAN configuration? RT_1(config)# trunk encapsulation dot1q RT_1(config-subif)# encapsulation dot1q 10 RT_1(config-subif)# encapsulation negotiate RT_1(config-subif)# encapsulation 802.1q RT_1(config)# vlan encapsulation dot1q

81. Refer to the exhibit. Computer A is configured with an IP address of 192.168.20.5 and cannot ping RT_1. What is most likely the problem? SW_1 FastEthernet interface 0/24 is not a trunk port. The RT_1 FastEthernet 0/1.10 is not configured for VLANs. The FastEthernet port 0/1 on SW_1 is configured for VLAN 20. The management VLAN does not have an IP address assigned to the same VLAN.

The IP address of computer A is incorrect.

82. Refer to the exhibit. Which three hosts will receive ARP requests from host A, assuming that port Fa0/4 on both switches is configured to carry traffic for multiple VLANs? (Choose three.) host B host C host D host E host F host G

83. Refer to the exhibit. Two VLANs have been configured on the switch and hosts have been assigned. Hosts in the Sales VLAN can ping all hosts in their own VLAN, but cannot ping the hosts in the HR VLAN. What are two explanations for this problem? (Choose two.) All hosts are in one collision domain. All hosts are in one broadcast domain. A router is required for communication between VLANs. The hosts are in separate broadcast domains. The management VLAN has not been assigned an IP address.

84. Which industry-wide specification was developed to decrease the time that is needed to move to the forwarding state by switch ports that are operating in a redundantly switched topology? VLSM PVST 802.1Q RSTP VTP

85. Refer to the exhibit. Which switch will be elected the root bridge and which switch will place a port in blocking mode? (Choose two.) SW1 will become the root bridge. SW2 will become the root bridge. SW2 will get a port blocked. SW4 will get a port blocked.

SW3 will become the root bridge. SW4 will become the root bridge.

86. What is the purpose of the Spanning Tree Protocol (STP)? prevents Layer 2 loops prevents routing loops on a router creates smaller collision domains creates smaller broadcast domains allows Cisco devices to exchange routing table updates

87. Which statement is true regarding states of the IEEE 802.1D Spanning Tree Protocol? Ports are manually configured to be in the forwarding state. Ports listen and learn before going into the forwarding state. Ports must be blocked before they can be placed in the disabled state. It takes 15 seconds for a port to go from blocking to forwarding.

88. Four bits have been borrowed to create subnets. Which three addresses are subnet addresses? (Choose three.) 192.168.14.8 192.168.14.16 192.168.14.24 192.168.14.32 192.168.14.148 192.168.14.208

89. Refer to the exhibit. What type of header is shown? IPv4 IPv6 TCP UDP

90. Assuming a subnet mask of 255.255.224.0, which three addresses would be valid host addresses? (Choose three.) 10.78.103.0 10.67.32.0 10.78.160.0

10.78.48.0 172.55.96.0 172.211.100.0

91. What type of IP address is 172.16.134.48/27? a useable host address a broadcast address a network address a multicast address a public address

92. Which address is a valid IPv6 global unicast address? FE90::1::FFFF FD80::1::1234 FE80::1:4545:6578:ABC1 FEA0::100::7788:998F FC90::::5678:4251:FFFF

93. A network administrator needs to configure three local networks. The networks have these requirements: Network 1 - 500 hosts Network 2 - 100 hosts Network 3 - 1000 hosts Which three subnet masks will be needed to fulfill these requirements? (Choose three.) 255.255.0.0 255.255.255.0 255.255.254.0 255.255.252.0 255.255.248.0 255.255.255.128 255.255.255.192

94. A router needs to be configured to route within OSPF area 0. Which two commands are required to accomplish this? (Choose two.) RouterA(config)# router ospf 0 RouterA(config)# router ospf 1 RouterA(config-router)# network 192.168.2.0 0.0.0.255 0

RouterA(config-router)# network 192.168.2.0 0.0.0.255 area 0 RouterA(config-router)# network 192.168.2.0 255.255.255.0 0

95. Refer to the exhibit. Two switches have been connected with ports that are configured as trunks. After the connection was made, SW2 displayed the status message as shown in the exhibit. What will solve this problem? SW1(config)# interface fastethernet 0/1 SW1(config-if)# duplex full SW1(config)# interface fastethernet 0/1 SW1(config-if)# full-duplex SW2(config)# interface fastethernet 0/1 SW2(config-if)# duplex full SW2(config)# interface fastethernet 0/1 SW2(config-if)# full-duplex

96. A router with two LAN interfaces, two WAN interfaces, and one configured loopback interface is operating with OSPF as its routing protocol. What does the router OSPF process use to assign the router ID? the IP address of the interface that is configured with priority 0 the OSPF area ID that is configured on the interface with the highest IP address the loopback interface IP address the highest IP address on the LAN interfaces the highest IP address that is configured on the WAN interfaces

97. What table does the EIGRP DUAL algorithm use to calculate the best route to each destination router? routing table topology table DUAL table CAM table ARP table

98. What two measures are used to prevent routing loops in networks that use distance vector routing protocols? (Choose two.) link-state advertisements (LSA) Spanning Tree Protocol shortest path first tree split horizon

hold-down timers

99. Refer to the exhibit. When the show ip ospf neighbor command is given from the R1# prompt, no output is shown. However, when the show ip interface brief command is given, all interfaces are showing up and up. What is the most likely problem? R2 has not brought the S0/0/1 interface up yet. R1 or R2 does not have a loopback interface that is configured yet. The ISP has not configured a static route for the ABC Company yet. R1 or R2 does not have a network statement for the 172.16.100.0 network. R1 has not sent a default route down to R2 by using the default-information originate command.

100. Refer to the exhibit. The XYZ Company hosts web pages for small companies. Based on the exhibited information, what would be an appropriate route for the ISP to configure for the XYZ network? ISP# ip route 0.0.0.0 0.0.0.0 s0/0/1 ISP# ip route 0.0.0.0 0.0.0.0 s/0/0/0 ISP# ip route 192.135.250.0 255.255.255.0 s0/0/1 ISP# ip route 192.135.250.0 255.255.255.0 s0/0/0 ISP# ip route 192.135.250.0 255.255.255.240 s0/0/1 ISP# ip route 192.135.250.0 255.255.255.248 s0/0/1

101. Refer to the exhibit. A network administrator has configured routers RTA and RTB, but cannot ping from serial interface to serial interface. Which layer of the OSI model is the most likely cause of the problem? application transport network data link physical

102. What best describes the operation of distance vector routing protocols? They use hop count as their only metric. They only send out updates when a new network is added. They send their routing tables to directly connected neighbors. They flood the entire network with routing updates.

103. Refer to the exhibit. Which sequence of commands will configure router A for OSPF? router ospf 0 network 192.168.10.0 network 192.168.10.192 router ospf 0 network 192.168.10.0 router ospf 1 network 192.168.10.64 0.0.0.63 area 0 network 192.168.10.192 0.0.0.3 area 0 router ospf 1 network 192.168.10.64 255.255.255.192 network 192.168.10.192 255.255.255.252 router ospf 1 network 192.168.10.0 area 0

104. Refer to the exhibit. Router B should not send routing updates to router A. Which command can be used on router B to prevent RIP from sending these updates? passive-interface fastethernet 0/0 passive-interface serial 0/0/0 access-class 12 out access-class 12 in

105. A router has learned about network 192.168.168.0 through static and dynamic routing processes. Which route will appear in the routing table for this network if the router has learned multiple routes? D 192.168.168.0/24 [90/2195456] via 192.168.200.1, 00:00:09, FastEthernet0/0 O 192.168.168.0/24 [110/1012] via 192.168.200.1, 00:00:22, FastEthernet0/0 R 192.168.168.0/24 [120/1] via 192.168.200.1, 00:00:17, FastEthernet0/0 S 192.168.168.0/24 [1/0] via 192.168.200.1

106. Refer to the exhibit. An administrator who is connected to the console of the Peanut router is able to ping the Serial0 and Ethernet0 ports of the Popcorn router but unable to ping its Ethernet1 interface. What are two possible causes for this problem? (Choose two.) The serial interface of the Popcorn router is shutdown. The Ethernet1 interface of the Popcorn router is shutdown. The Popcorn router did not include network 192.168.12.0 in its routing configuration. The Popcorn router is not forwarding RIP updates. The clock rate is missing from the configuration of one of the routers.

107. When is a WLAN a better solution than a LAN? when security is an issue when user mobility is needed when more than one laptop is used in a cubicle when electrical interference from surrounding machinery is an issue

108. Which wireless standard works only in the 2.4 GHz range and provides speeds up to 54 Mb/s? 802.11a 802.11b 802.11g 802.11i 802.11n

109. Refer to the exhibit. An initial configuration is being performed on a new router. The network administrator encounters the error message that is shown in the exhibit. What is the problem? The enable secret command has not been issued yet. The enable password command has not been issued yet. The password command has not been set for the console port. The service password-encryption command has not been issued yet.

110. Which statement describes the process that occurs in Network Address Translation (NAT) overloading? Multiple private IP addresses are mapped to one public IP address. The number of usable addresses that is assigned to a company is divided into smaller manageable groups. A pool of IP addresses are mapped to one or more MAC addresses. The router acts as a DHCP server and assigns multiple public IP addresses for each private IP address configured.

111. Which two pieces of information are required when creating a standard access control list? (Choose two.) destination address and wildcard mask source address and wildcard mask subnet mask and wildcard mask access list number between 100 and 199 access list number between 1 and 99

112. What guideline is generally followed about the placement of extended access control lists?

They should be placed as close as possible to the source of the traffic to be denied. They should be placed as close as possible to the destination of the traffic to be denied. They should be placed on the fastest interface available. They should be placed on the destination WAN link.

113. Refer to the exhibit. A named access list called chemistry_block has been written to prevent users on the Chemistry Network and public Internet from access to the Records Server. All other users within the school should have access to this server. The list contains the following statements: deny 172.16.102.0 0.0.0.255 172.16.104.252 0.0.0.0 permit 172.16.0.0 0.0.255.255 172.16.104.252 0.0.0.0 Which command sequence will place this list to meet these requirements? Hera(config)# interface fa0/0 Hera(config-if)# ip access-group chemistry_block in Hera(config)# interface s0/0/0 Hera(config-if)# ip access-group chemistry_block out Apollo(config)# interface s0/0/0 Apollo(config-if)# ip access-group chemistry_block out Apollo(config)# interface s0/0/1 Apollo(config-if)# ip access-group chemistry_block in Athena(config)# interface s0/0/1 Athena(config-if)# ip access-group chemistry_block in Athena(config)# interface fa0/0 Athena(config-if)# ip access-group chemistry_block out

114. Refer to the exhibit. R3 has the following configuration: R3# show running-config --some output text omitted-- interface serial0 bandwidth 128 ip address 192.168.11.2 255.255.255.0 encapsulation frame-relay frame-relay map ip 192.168.11.2 30 broadcast After the command R3# debug frame-relay packet is executed, a ping is issued from R3 to R1 but is unsuccessful. Based on the output of the debug command shown in the graphic and the router configuration, what is the problem? No clock rate has been configured on interface s0. There is an incorrect DLCI number in the map statement. An incorrect IP address exists in the map statement. The encapsulation frame-relay command is missing the broadcast keyword.

115. What are three Frame Relay congestion management mechanisms? (Choose three.) BECN DLCI DE FECN LMI Inverse ARP

116. Which network device is commonly used to allow multiple VPN connections into a corporate network? ACL IDS firewall concentrator

117. What is the default Layer 2 encapsulation protocol for a synchronous serial interface on a Cisco router? PPP HDLC Frame Relay CHAP IEEE 802.1Q