ccna discovery4.0 final 3rd module

Below you will find the assessment items as presented on the exam as well as the scoring rules associated with the item.

Use of the exam information in the Exam Viewer is subject to the terms of the Academy Connection Website Usage Agreement between youand Cisco. The purpose of the Exam Viewer is to support instruction while not compromising exam security for other Cisco NetworkingAcademies or students. This material should not be distributed outside a proctored and controlled setting. If misuse is found, action will betaken to limit access to assessment content. Please remember to logout and close your browser window after using the Exam Viewer.

Close Window

Assessment System

Exam Viewer - DRSEnt Final - CCNA Discovery: Introducing Routing and Switching in the Enterprise (Version4.0)

1

Refer to the exhibit. If router RTA fails, which statement is true?Hosts A and B can reach each other, but cannot reach hosts C and D or the server.No host can reach any other host.

Hosts A, B, C, and D can reach each other, but cannot reach the server.All hosts can reach each other.

Scoring Rule For: correctness of response

2 points for Option 10 points for any other option

Max Value = 2

This item references content from the following areas:

CCNA Discovery: Introducing Routing and Switching in the Enterprise

3.1.1 Switching and Network Segmentation 3.3.1 Virtual LAN 9.1.3 Troubleshooting and the Failure Domain

2 A sales representative is preparing to send sensitive information to corporate headquarters from a hotel room using the Internet. Prior tothe trip, the IT staff made the necessary provisions to allow secure Internet access. What solution was implemented for the salesrepresentative?

VPNFrame Relay

PPP with CHAP authenticationPPP with PAP authentication


Page 1 of 16Cisco Networking Academy

5/9/2009mhtml:file://C:\Documents and Settings\mac\Desktop\cisco\disc\Cisco Networking Academ...


Max Value = 2



1.3.2 Virtual Private Networks3

Refer to the exhibit. Users on the 172.30.20.0/24 network are unable to access any of the servers located on the 192.168.0.0/23network. Given the network topology and OSPF configuration, what two problems exist in this network? (Choose two.)

There is a routing loop occurring between all three routers.There is a network statement missing.Network 172.30.20.0 has an incorrect wildcard mask.The OSPF area configuration is incorrect.

/23 is an invalid subnet mask for the 192.168.0.0 network.


Option 2 and Option 3 are correct.1 point for each correct option.0 points if more options are selected than required.

Max Value = 2



9.3.1 RIP Issues4



Refer to the exhibit. A network administrator must manually summarize all IP addresses on the POP router for the ISP. Which one is thecorrect summary address?

192.168.0.0/22192.168.0.0/23

192.168.0.0/24192.168.0.0/25



Max Value = 2



4.3.3 Calculating Route Summarization5

Refer to the exhibit. A network support technician has been asked to set an IP address on one of the FastEthernet interfaces on a newrouter. What is causing the interface to reject the address?

The IP address is already in use.The technician is using a network address.

The technician is using the wrong subnet mask for /26.The technician must enable VLSM on the interface.



Max Value = 2



9.1.4 Troubleshooting Process6 In which VTP mode can a switch create VLANs, ignore VTP messages, and not pass local VLAN information to other VTP domain

members?client

server



pruningtransparent



Max Value = 2



3.5.1 VLAN Trunking Protocol (VTP)7 What are two benefits of implementing VLANs in an enterprise network? (Choose two.)

eliminates the need for a Layer 3 deviceprovides segmentation of broadcast domainsallows for the propagation of broadcasts from one local network to anotherallows for the logical grouping of devices despite physical location

prevents issues such as broadcast storms by ensuring a loop free environment



Max Value = 2



3.3.1 Virtual LAN8

Refer to the exhibit. R1 and R2 are connected via serial interfaces. Both interfaces show that there is Layer 2 connectivity betweenthem. The administrator verifies that CDP is operational; however, pings between the two interfaces are unsuccessful. What is the causeof this connectivity problem?

no set loopbackincorrect subnet mask on R2incompatible bandwidthincorrect IP address on R1

incompatible encapsulation





Max Value = 2



4.2.5 Implementing VLSM Addressing9 How does CHAP secure connectivity on a PPP link?

It uses a two-way handshake to send the username and password.It encrypts user data that is sent across the link.It designates the remote node to control the frequency and timing of the login attempts.

It authenticates the username and password during initial link establishment and repeatedly during the time the link is active.



Max Value = 2



7.2.4 PPP Authentication10

Refer to the exhibit. R3 is announcing all displayed internal networks to R4 with the summary address 10.1.0.0/22. Which address willbe most appropriate for Network A?

10.0.0.0/24

10.1.4.0/2410.1.0.0/2410.1.0.0/23



Max Value = 2



4.3.3 Calculating Route Summarization11 A journalist is using a wireless connection to transmit a video clip. Which is the best protocol to use to transport the video packets?

TCPUDPPPP

HDLC

Scoring Rule For: correctness of response2 points for Option 20 points for any other option



Max Value = 2



1.2.3 Network Traffic Prioritization12 What can be done to reduce the impact of a failure domain?

Create a single local network on a central switch.Move wired users to a more reliable wireless network.Add redundant devices to key positions within the network.

Add more VLANs to each switch and assign fewer users per VLAN.



Max Value = 2



1.1.2 Traffic Flow in the Enterprise Network 9.1.3 Troubleshooting and the Failure Domain

13 What are two features of an ACL? (Choose two.)A single ACL applied to a router interface will affect both inbound and outbound traffic.

An ACL without a permit statement blocks all traffic.All Cisco ACLs end with an implicit deny statement.An ACL is active immediately after it has been created in global configuration mode.A router compares a packet to all statements of an ACL before permitting or denying access through an interface.



Max Value = 2



8.1.4 ACL Processing14 Which element of the hierarchical design model provides a connection point for end-user devices to the network?

core layeredge deviceaccess layer

enterprise edgedistribution layer



Max Value = 2



1.1.2 Traffic Flow in the Enterprise Network15 A router in a fully converged EIGRP network detects that a remote route is unreachable. Which two events may occur next? (Choose

two.)



EIGRP will look for a feasible successor in the routing table.DUAL will calculate the highest cost routes to each network.EIGRP will send a bounded update to alert neighbors about the failure.The router will forward the complete routing table to the neighboring routers.

DUAL will look for a feasible successor route in the topology table and, if one is found, it will add this route to the routing table.



Max Value = 2



5.3.3 EIGRP Terminology and Tables16

Refer to the exhibit. The network administrator wants to restrict the Production network from accessing the HR network. All other trafficwill have access to all networks. Which combination of interface and direction should the administrator use to apply the ACL?

Fa0/1, outFa1/0, outFa0/1, in

Fa1/0, in



Max Value = 2



8.3.1 Placing Standard and Extended ACLs17



Refer to the exhibit. The network consists of a single OSPF area. All router priorities are at the default value and no loopback addressesare configured. The router interface IP addresses are displayed. Which two routers are likely to be elected as the DRs? (Choose two.)

R1

R2R3R4R5

R6



Max Value = 2



6.1.4 OSPF Areas18

Refer to the exhibit. Which IP address can be assigned to the Fa0/0 interface of R1 to enable host A to access host B?192.168.1.32/26192.168.1.64/26



192.168.1.126/26192.168.1.129/26



Max Value = 2



4.2.5 Implementing VLSM Addressing19

Refer to the exhibit. The command that is displayed was run on a switch with 24 FastEthernet ports. Why are some ports missing fromVLAN1?

The missing ports are administratively down.The missing ports are not configured for STP.The missing ports are not connected to any active device.The missing ports are configured for trunk ports.



Max Value = 2



9.2.2 Troubleshooting VLAN Configuration Issues20

Refer to the exhibit. The routing protocols are configured with their default settings. Which two statements are true about the path orpaths that R1 will choose to the 192.168.2.0/24 network? (Choose two.)



If only EIGRP is configured on the network, only the path R1->R3 will be installed in the routing table.If OSPF and RIPv2 are both configured on the network, only OSPF paths will be installed in the routing table.If EIGRP and OSPF are both configured on the network, only EIGRP paths will be installed in the routing table.If EIGRP and RIPv2 are both configured on the network, only RIPv2 paths will be installed in the routing table.

If RIPv2 is the routing protocol, the two equal cost paths (R1-R2-R3 and R1-R4-R3) will be installed in the routing table.



Max Value = 2



6.3.4 Using Multiple Protocols in the Enterprise21

Refer to the exhibit. The network administrator enters the command that is shown in the exhibit and then issues the show ip routecommand. The route added by the network administrator is missing from the routing table. What is the reason for this?

This static route is providing a backup to the existing route to 192.168.1.0 /24.The route is incorrectly configured.

Dynamic updates are always preferred over static routes.The FastEthernet0/0 interface is administratively down.



Max Value = 2



5.1.4 Configuring Static Routes22

Refer to the exhibit. R2 receives the dynamic update R 192.168.2.0/24 [120/2] via 10.1.1.2, 00:00:15, Serial0/0/0.

What will happen to this new routing update?The update information will be added to the existing routing table.



The update information will replace the existing routing table entry.The routing protocol will not replace the existing route with this new routing update.The existing routing table entry will be purged from the routing table and all routers will attempt to converge.



Max Value = 2



5.2.2 Routing Information Protocol (RIP)23

Refer to the exhibit. All routers are configured to use the EIGRP routing protocol, and the network administrator has configured the serialinterface with the displayed commands. Which summary route will show in the routing table of R1 as a result of these commands?

a route pointing to the FastEthernet0/0 interfacea route pointing to the Serial0/0/0 interfacea route pointing to the Null0 interface

a route pointing to the loopback0 interface



Max Value = 2



5.4.2 EIGRP Route Summarization24 All OSPF routers in a network have been configured to use MD5 authentication. Which two statements describe the reasons for using

this technology? (Choose two.)All data passing between OSPF routers will be encrypted.

MD5 authentication ensures the integrity of the network information.MD5 authentication optimizes bandwidth use on point-to-point links.MD5 authentication will ensure that only routers with matching keys share routing updates.The MD5 key will be sent to adjacent neighbors in plain text, after which OSPF updates will be encrypted.





Max Value = 2



6.2.2 Configuring OSPF Authentication25

Refer to the exhibit. All routers are configured to use the OSPF protocol with default settings. Which router will act as the BDR if allrouters start at the same time?

R1R2R3R4



Max Value = 2



6.1.3 OSPF Neighbors and Adjacencies26



Refer to the exhibit. Which two facts can be determined from the output? (Choose two.)The router ID of R2 is 192.168.100.65.

R2 has established adjacencies with three routers.R2 is not receiving hellos from neighbor 192.168.100.66.R2 is connected to an Ethernet network that consists of two routers.Neighbor 192.168.100.3 will become the DR if the current DR becomes unavailable.



Max Value = 2



6.2.4 Verifying OSPF Operation27



Refer to the exhibit. The network administrator has configured R1, R2, and R3 to use RIPv2, and the network is fully converged. Thehosts on the internal network are able to access R2, but they are unable to access the Internet.

How can the administrator solve this problem?Enable the Serial0/0/0 interface of R2.Configure a default route on R2 via Serial0/0/0 and propagate it to R1 and R3 using RIPv2.

Configure a default route on the ISP via Serial0/0/0.Configure the correct subnet mask on the Serial0/0/0 interface of R2.



Max Value = 2



9.3.4 Route Redistribution Issues28 Which protocol is a classful routing protocol?

BGPEIGRPOPSFRIPv1

RIPv2



Max Value = 2



5.2.2 Routing Information Protocol (RIP)29



Refer to the exhibit. The network administrator configured the routers using the displayed commands, but the network fails to converge.What can the network administrator do to solve this problem?

Issue the network commands correctly on both routers.Configure the wildcard masks correctly on both routers.

Issue the no auto-summary command.Configure both routers with different autonomous numbers.



Max Value = 2



5.4.2 EIGRP Route Summarization30

Refer to the exhibit. Both routers are configured to use the EIGRP routing protocol. The network administrator wants to enable manualsummarization by issuing the displayed command.

How should the administrator issue this command?after issuing the router eigrp 50 commandin interface mode on the Fa0/0 interface of R2in interface mode on the S0/0/0 interface of R2

in global configuration mode





Max Value = 2



5.4.2 EIGRP Route Summarization

Reset View

Showing 1 of 2 Prev Page: 1 Next

Close Window

All contents copyright ©2001-2008 Cisco Systems, Inc. All rights reserved. Privacy Statement and Trademarks.



ccna discovery4.0 final 3rd module

Documents

network statement

network segmentation

network topology

network administrator

cisco networking academy

exam information

correct option

correctness of response