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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 you and Cisco. The purpose of the Exam Viewer is to support instruction while not compromising exam security for other Cisco Networking Academies or students. This material should not be distributed outside a proctored and controlled setting. If misuse is found, action will be taken 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 (Version 4.0) 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 1 0 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 to the trip, the IT staff made the necessary provisions to allow secure Internet access. What solution was implemented for the sales representative? VPN Frame Relay PPP with CHAP authentication PPP with PAP authentication Scoring Rule For:  correctness of response Page 1 of 14 Cisco Networking Academy 5/9/2009 mhtml:file://C:\Documents and Settings\mac\Desktop\cisco\disc\Cisco Networking Academ...
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ccna discovery4.0 final 3rd module

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ccna discovery4.0 final answers 3rd module
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Page 1: 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.

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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

Scoring Rule For:  correctness of response

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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

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.

Scoring Rule For:  correctness of response

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

This item references content from the following areas:

CCNA Discovery: Introducing Routing and Switching in the Enterprise

9.3.1 RIP Issues4

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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

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

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.

Scoring Rule For:  correctness of response

2 points for Option 20 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

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

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pruningtransparent

Scoring Rule For:  correctness of response

2 points for Option 40 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

3.5.1 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

Scoring Rule For:  correctness of response

Option 2 and Option 4 are correct.1 point for each correct option.0 points if more options are selected than required.

Max Value = 2

This item references content from the following areas:

CCNA Discovery: Introducing Routing and Switching in the Enterprise

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

Scoring Rule For:  correctness of response

2 points for Option 20 points for any other option

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Max Value = 2

This item references content from the following areas:

CCNA Discovery: Introducing Routing and Switching in the Enterprise

4.2.5 Implementing VLSM Addressing9 If an authentication protocol is configured for PPP operation, when is the client or user workstation authenticated?

prior to link establishmentduring the link establishment phasebefore the network layer protocol configuration begins

after the network layer protocol configuration has ended

Scoring Rule For:  correctness of response

2 points for Option 30 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

7.2.4 PPP Authentication10

Refer to the exhibit. If R4 is announcing all shown internal networks as a summary address to the ISP, which summary address will bemost specific?

192.168.1.0/22192.168.4.0/21192.168.6.0/23

192.168.8.0/21192.168.4.0/22

Scoring Rule For:  correctness of response

2 points for Option 40 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

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4.3.3 Calculating Route Summarization11 A company is using a Class B IP addressing scheme and expects to need as many as 150 networks. What is the correct subnet mask to

use with the network configuration?255.255.0.0255.255.240.0255.255.254.0255.255.255.0

255.255.255.128255.255.255.192

Scoring Rule For:  correctness of response

2 points for Option 40 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

4.1.2 Hierarchical Network Addressing12 A sales representative is using a wireless connection to make a VoIP call. Which protocol will be used to transport the voice packets?

TCPUDPPPPHDLC

Scoring Rule For:  correctness of response

2 points for Option 20 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

1.2.3 Network Traffic Prioritization13 What do companies gain from the services performed at the enterprise edge?

faster communication with server farmsstronger security against malicious attacks

faster communication with Internet destinationsenhanced performance and reliability through VLANs and redundant trunk links

Scoring Rule For:  correctness of response

2 points for Option 20 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

1.1.2 Traffic Flow in the Enterprise Network14 After comparing a previous baseline to current network statistics, the network engineer has discovered a significant increase in

unwarranted traffic to the extranet. Which two steps simplify administration and control the unwanted traffic? (Choose two.)define an ACL at the distribution layer to isolate packetsadd an ACL at the router in the enterprise edge to block the trafficdeploy a Layer 3 switch to contain broadcastsconnect remote locations directly to the intranetconfigure all hosts with the same default gateway to eliminate unnecessary broadcasts

deploy one core ISP router to reduce the delay in path determination

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Scoring Rule For:  correctness of response

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

Max Value = 2

This item references content from the following areas:

CCNA Discovery: Introducing Routing and Switching in the Enterprise

2.3.1 Router Hardware 8.1.1 Traffic Filtering

15 Why would a network administrator want to limit the size of failure domains when designing a network?to eliminate the effects of Ethernet collisionsto reduce the impact of a key device or service failureto reduce the impact of Internet congestion on critical traffic

to eliminate the need to block broadcast packets at the edge of the local network

Scoring Rule For:  correctness of response

2 points for Option 20 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

1.1.2 Traffic Flow in the Enterprise Network16 What two statements are true regarding EIGRP tables? (Choose two.)

A feasible successor route can be found in the topology table.A successor route can only be found in the routing table.The topology table shows whether a route is in the passive or active state.The routing table shows the amount of time elapsed since a router adjacency was formed.The neighbor table shows all adjacent Cisco devices.

Administrative distance is shown as a column in the neighbor table.

Scoring Rule For:  correctness of response

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

Max Value = 2

This item references content from the following areas:

CCNA Discovery: Introducing Routing and Switching in the Enterprise

5.3.3 EIGRP Terminology and Tables17 A network administrator wants to deny responses to ping requests. Which ACL statement denies ping responses while not affecting

other traffic?access-list 123 deny tcp any any eq 80access-list 123 deny tcp any any eq 20access-list 123 deny tcp any any eq 21access-list 123 deny icmp any any echo-replyaccess-list 101 deny tcp any any established

Scoring Rule For:  correctness of response

2 points for Option 40 points for any other option

Max Value = 2

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This item references content from the following areas:

CCNA Discovery: Introducing Routing and Switching in the Enterprise

8.4.2 Configuring ACLs to Support Established Traffic18

Refer to the exhibit. An administrator is adding a new router to the network. The IP address 192.168.13.6/30 has been assigned to theconnecting serial interface on R2. What IP address must the administrator assign to the serial interface of the new router?

192.168.13.4/30

192.168.13.5/30192.168.13.7/30192.168.13.58/30192.168.13.61/27192.168.13.63/27

Scoring Rule For:  correctness of response

2 points for Option 20 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

4.2.5 Implementing VLSM Addressing19

Refer to the exhibit. Server7 has been added to the server farm network. The hosts can ping Servers 2 and 3 and Server2 and Server3

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can ping each other. Server7 cannot ping the other servers connected to the switch. What is the cause of this problem?The Fa0/1 port on the switch should be in access mode.The switch IP address is not on the same subnet as Server7.The switch port used for Server7 is not in the same VLAN as Server2 and Server3.The Fa0/0 interface of the router has not been configured for subinterfaces to support inter-VLAN routing.

Scoring Rule For:  correctness of response

2 points for Option 30 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

9.2.2 Troubleshooting VLAN Configuration Issues20

Refer to the exhibit. All routes in the exhibit are available to a router. Which two routes will be placed into the routing table? (Choosetwo.)

A

BCDE

F

Scoring Rule For:  correctness of response

Option 3 and Option 5 are correct.1 point for each correct option.0 points if more options are selected than required.

Max Value = 2

This item references content from the following areas:

CCNA Discovery: Introducing Routing and Switching in the Enterprise

6.3.4 Using Multiple Protocols in the Enterprise21

Refer to the exhibit. A network administrator enters the command ip route 10.10.4.16 255.255.255.248 s0/0/1 into the router. What will

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be the result of this configuration?A static route pointing to 10.10.4.16/29 is placed into the routing table.A static route to 10.10.4.16/29 is placed into the routing table if interface FastEthernet0/1 goes down.A static route pointing to 10.10.4.16/29 is only placed into the routing table if the route to 10.10.4.0 is removed.A static route is not placed into the routing table because a RIP route that includes the destination network already exists.

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

5.1.4 Configuring Static Routes22

Refer to the exhibit. Which route will appear in the routing table?R 10.10.4.0/24 [120/1] via 10.10.10.1, 00:00:12, FastEthernet0/1R 10.10.4.0/24 [120/1] via 10.10.20.1, 00:00:12, FastEthernet0/0R 10.10.4.0/24 [120/2] via 10.10.20.1, 00:00:12, FastEthernet0/0

R 10.10.4.0/24 [120/3] via 10.10.30.1, 00:00:12, FastEthernet1/0R 10.10.4.0/24 [120/1] via 10.10.30.1, 00:00:12, FastEthernet1/0

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

5.2.5 Verifying RIP23

Refer to the exhibit. What is represented by the Null0 route for the 128.107.0.0 network?a child route that is defineda parent route that is defined and sourced from a physical interfacea summary route for advertising purposes, not an actual paththe result of the no auto-summary command on a router

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Scoring Rule For:  correctness of response

2 points for Option 30 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

5.4.2 EIGRP Route Summarization24 When MD5 authentication is used for OSPF routing protocol authentication, what two facts are known about the key? (Choose two.)

The key passes between routers in plain text.The key is used to help generate an encrypted number for authentication.

The key passes between routers in encrypted form.The key is never transmitted.The key can be captured by using a packet sniffer.

Scoring Rule For:  correctness of response

Option 2 and Option 4 are correct.1 point for each correct option.0 points if more options are selected than required.

Max Value = 2

This item references content from the following areas:

CCNA Discovery: Introducing Routing and Switching in the Enterprise

6.2.2 Configuring OSPF Authentication25

Refer to the exhibit. The network is using OSPF as the routing protocol. A network administrator issues the show ip ospf neighborcommand to check the status of operation. Which statement is true?

RB has the lowest priority value.RC and RD have the lowest router IDs on the network.

RA has established adjacencies with all neighbor routers.RA and RB can not form an adjacency because they are stuck in the 2-way state.

Scoring Rule For:  correctness of response

2 points for Option 30 points for any other option

Max Value = 2

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This item references content from the following areas:

CCNA Discovery: Introducing Routing and Switching in the Enterprise

6.1.3 OSPF Neighbors and Adjacencies26

Refer to the exhibit. What two conclusions can be drawn from the displayed output? (Choose two.)A packet with a destination IP address of 172.20.1.14 will exit the router via the Serial 0/1/0 interface.The default administrative distance for EIGRP has been changed.

Network 172.20.1.4 can be reached through two possible routes of equal cost.A packet with a destination IP address of 172.16.1.5 will be dropped.The router connected to Serial 0/1/1 is advertising four separate routes through EIGRP to this router.

Scoring Rule For:  correctness of response

Option 3 and Option 4 are correct.1 point for each correct option.0 points if more options are selected than required.

Max Value = 2

This item references content from the following areas:

CCNA Discovery: Introducing Routing and Switching in the Enterprise

5.4.3 Verifying EIGRP Operation27

Refer to the exhibit. RIPv2 is configured in the network shown. Hosts in the network have access to all internal networks but do not haveInternet access. On which router should the commands, shown in the exhibit, be added to provide Internet access for all hosts in thenetwork?

R1R2

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R3ISP

Scoring Rule For:  correctness of response

2 points for Option 20 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

9.3.4 Route Redistribution Issues28

Refer to the exhibit. Assuming that the RIPv1 routing protocol is enabled and all networks have been correctly configured on eachrouter, which statement is true?

All packets from H1 that are destined to H2 will arrive at H2.None of the packets from H1 that are destined to H2 will arrive at H2.

Approximately half the traffic from H1 that is destined to H2 will reach R3.Some of the packets from H1 that are destined to H2 will be sent to the switch that is connected to network 192.168.3.64/26.

Scoring Rule For:  correctness of response

2 points for Option 30 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

4.3.4 Discontiguous Subnets 5.2.4 Problems with RIP

29 Which command should a network administrator issue to disable default summarization in an EIGRP network?Router(config-router)# no ip summary-addressRouter(config-if)# no ip summary-addressRouter(config-if)# no auto-summaryRouter(config-router)# no auto-summary

Scoring Rule For:  correctness of response

2 points for Option 40 points for any other option

Max Value = 2

This item references content from the following areas:

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CCNA Discovery: Introducing Routing and Switching in the Enterprise

5.4.2 EIGRP Route Summarization

30

Refer to the exhibit. What two pieces of information can be gathered from the output of this command? (Choose two.)172.16.16.0/20 is a manually summarized route.All subnets are being advertised because default summarization was disabled.The output verifies that EIGRP is advertising only the networks in the same AS.The 172.16.1.0/24 network is directly attached to the router that produced this output.The Null0 interface indicates that this is not an actual path, but a summary for advertising purposes.

Scoring Rule For:  correctness of response

Option 1 and Option 5 are correct.1 point for each correct option.0 points if more options are selected than required.

Max Value = 2

This item references content from the following areas:

CCNA Discovery: Introducing Routing and Switching in the Enterprise

5.4.2 EIGRP Route Summarization

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