Ccna Discovery4.0 Final 3rd Module

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Assessment System Exam Viewer - DRSEnt Final - CCNA Discovery: Introducing Routing and Switching in the Enterprise (Version 4.0)

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. 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 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   

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Frame Relay PPP with CHAP authentication PPP with PAP authentication Scoring Rule For:  correctness of response

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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 

1.3.2 Virtual Private Networks

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Refer to the exhibit. Users on the 172.30.20.0/24 network are unable to access any of the servers located on the 192.168.0.0/23 network. 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 Issues

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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 the correct summary address? 192.168.0.0/22 192.168.0.0/23 192.168.0.0/24 192.168.0.0/25 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 

4.3.3 Calculating Route Summarization

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Refer to the exhibit. A network support technician has been asked to set an IP address on one of the FastEthernet interfaces on a new router. 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 2 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

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 9.1.4 Troubleshooting Process 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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pruning transparent Scoring Rule For:  correctness of response 2 points for Option 4 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

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 3.5.1 VLAN Trunking Protocol (VTP) What are two benefits of implementing VLANs in an enterprise network? (Choose two.) eliminates the need for a Layer 3 device

provides segmentation of broadcast domains allows for the propagation of broadcasts from one local network to another allows 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 LAN

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Refer to the exhibit. R1 and R2 are connected via serial interfaces. Both interfaces show that there is Layer 2 connectivity between them. The administrator verifies that CDP is operational; however, pings between the two interfaces are unsuccessful. What is the cause of this connectivity problem? no set loopback incorrect subnet mask on R2 incompatible bandwidth incorrect IP address on R1 incompatible encapsulation Scoring Rule For:  correctness of response 2 points for Option 2 0 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 Addressing How does CHAP secure connectivity on a PPP link? It uses a two-way handshake to send the username and password.

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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. Scoring Rule For:  correctness of response 2 points for Option 4 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 

7.2.4 PPP Authentication

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Refer to the exhibit. R3 is announcing all displayed internal networks to R4 with the summary address 10.1.0.0/22. Which address will be most appropriate for Network A? 10.0.0.0/24 10.1.4.0/24 10.1.0.0/24 10.1.0.0/23 Scoring Rule For:  correctness of response 2 points for Option 3 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  4.3.3 Calculating Route Summarization 11 A journalist is using a wireless connection to transmit a video clip. Which is the best protocol to use to transport the video packets? TCP

UDP PPP HDLC Scoring Rule For:  correctness of response 2 points for Option 2 0 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  1.2.3 Network Traffic Prioritization 12 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. Scoring Rule For:  correctness of response 2 points for Option 3 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 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. 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  8.1.4 ACL Processing 14 Which element of the hierarchical design model provides a connection point for end-user devices to the network? core layer

edge device access layer enterprise edge distribution layer Scoring Rule For:  correctness of response 2 points for Option 3 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  1.1.2 Traffic Flow in the Enterprise Network 15 A router in a fully converged EIGRP network detects that a remote route is unreachable. Which two events may occur next? (Choose two.)

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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. 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 

5.3.3 EIGRP Terminology and Tables

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Refer to the exhibit. The network administrator wants to restrict the Production network from accessing the HR network. All other traffic will have access to all networks. Which combination of interface and direction should the administrator use to apply the ACL? Fa0/1, out Fa1/0, out Fa0/1, in Fa1/0, in Scoring Rule For:  correctness of response 2 points for Option 2 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 

8.3.1 Placing Standard and Extended ACLs

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Refer to the exhibit. The network consists of a single OSPF area. All router priorities are at the default value and no loopback addresses are configured. The router interface IP addresses are displayed. Which two routers are likely to be elected as the DRs? (Choose two.) R1 R2 R3 R4 R5 R6 Scoring Rule For:  correctness of response Option 4 and Option 6 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 

6.1.4 OSPF Areas

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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? 192.168.1.32/26 192.168.1.64/26

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192.168.1.126/26 192.168.1.129/26 Scoring Rule For:  correctness of response 2 points for Option 3 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 

4.2.5 Implementing VLSM Addressing

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Refer to the exhibit. The command that is displayed was run on a switch with 24 FastEthernet ports. Why are some ports missing from VLAN1? 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. Scoring Rule For:  correctness of response 2 points for Option 4 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 

9.2.2 Troubleshooting VLAN Configuration Issues

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

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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. 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 

6.3.4 Using Multiple Protocols in the Enterprise

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Refer to the exhibit. The network administrator enters the command that is shown in the exhibit and then issues the show ip route command. 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. 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 

5.1.4 Configuring Static Routes

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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.

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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. Scoring Rule For:  correctness of response 2 points for Option 3 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 

5.2.2 Routing Information Protocol (RIP)

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Refer to the exhibit. All routers are configured to use the EIGRP routing protocol, and the network administrator has configured the serial interface 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 interface a route pointing to the Serial0/0/0 interface a route pointing to the Null0 interface a route pointing to the loopback0 interface Scoring Rule For:  correctness of response 2 points for Option 3 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  5.4.2 EIGRP Route Summarization 24 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. 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.

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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 Authentication

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Refer to the exhibit. All routers are configured to use the OSPF protocol with default settings. Which router will act as the BDR if all routers start at the same time? R1 R2 R3 R4 Scoring Rule For:  correctness of response 2 points for Option 3 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 

6.1.3 OSPF Neighbors and Adjacencies

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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. 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 

6.2.4 Verifying OSPF Operation

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Refer to the exhibit. The network administrator has configured R1, R2, and R3 to use RIPv2, and the network is fully converged. The hosts 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. Scoring Rule For:  correctness of response 2 points for Option 2 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  9.3.4 Route Redistribution Issues 28 Which protocol is a classful routing protocol? BGP

EIGRP OPSF RIPv1 RIPv2 Scoring Rule For:  correctness of response 2 points for Option 4 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 

5.2.2 Routing Information Protocol (RIP)

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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. Scoring Rule For:  correctness of response 2 points for Option 3 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 

5.4.2 EIGRP Route Summarization

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Refer to the exhibit. Both routers are configured to use the EIGRP routing protocol. The network administrator wants to enable manual summarization by issuing the displayed command. How should the administrator issue this command? after issuing the router eigrp 50 command in interface mode on the Fa0/0 interface of R2 in interface mode on the S0/0/0 interface of R2 in global configuration mode Scoring Rule For:  correctness of response 2 points for Option 3 0 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 

5.4.2 EIGRP Route Summarization

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