ccna 4 module 2 final

1

Refer to the exhibit. If the show cdp neighbors command is issued on RTB, which devices will appear in the output if all devices use the Cisco IOS and have CDP enabled?

RTA, RTCRTA, RTC, Sw2

RTA, RTC, Sw1, Sw2, Sw3

RTA, RTC, Sw1, Sw2, Sw3, PC1, PC2

2What is an example of a dedicated point-to-point WAN link?

ISDN

http://assessment.netacad.net/virtuoso/delivery/pub-doc/exam.shtml#%23


Frame Relay

dialup

T1/E1

3 What are three features of the TCP protocol? (Choose three.)It provides retransmission of data packets if they are lost during transmission.

It is a connectionless protocol.It uses a three-way handshake between the sending and receiving systems to establish each conversation.It specifies how messages are reassembled at the destination host.

It requires only 8 bytes of overhead.

It breaks the data packet into datagrams.

4What is used by a routing protocol to determine the best path to include in the routing table?

Convergence time

Default distance

MetricType of router

5




Refer to the exhibit. R1 and R2 are configured with the commands that are displayed. All interfaces are properly configured, but neither router is receiving routing updates. What two things can be done to solve the problem? (Choose two.)

Configure the routing protocol on R1 for network 10.0.0.0.






6A small tire retailer requires a low-cost WAN connection to its headquarters in order to manage its inventory and process customer sales in real time. Which WAN connection type is best suited to its needs?

SONET

T3


T1

DSL

leased line

7

Refer to the exhibit. Router Left is unable to ping router Right. The show interfaces serial 0/0/0 command indicates that the interface is up but the line protocol is down on both routers. Which action could be taken to establish connectivity between the two routers?

Configure S0/0/1 instead of S0/0/0 on router Right.

Enter the encapsulation hdlc command on router Right.Contact the service provider to report that the circuit is down.

Contact the service provider to enable PPP on the WAN circuit.


Enter the no encapsulation ppp command on router Left S0/0/0.

8A user reports being able to access the Internet but not being able to download e-mail from the mail server at the ISP. What should the user check on the user workstation?

the POP3 and SMTP server settings in the e-mail application

the patch cable connections at the back of the workstation and at the wall plate

the DHCP settings in the operating system

the IP address, mask, and default gateway values

the NIC drivers

9 What is the primary function of the NOC at a large ISP?installing equipment at a customer site

setting up customer accounts and passwords

monitoring and testing customer network connections

entering customer requirements in an order-tracking database

10A network technician wants to restore a backup copy of the saved configuration file on a router from a TFTP server. After restoring the file from the TFTP server, the technician reloads the router and finds that it still has the old configuration file instead of the restored file. What could have caused this?

The technician entered the command delete flash: before reloading the router.

The technician entered the command boot system rom before reloading the router.

The technician entered the command erase startup-config before reloading the router.The technician failed to enter the command copy running-config startup-config before reloading the router.

11





Refer to the exhibit. What could be two possible causes for the Serial0/0/0 interface status? (Choose two.)

A Layer 3 issue exists.

The bandwidth is set too high.

An incorrect cable is being used.

A loopback address must be set.

The reliability setting is too low for the interface.

A defective serial interface cable was used.

12

Refer to the exhibit. Which subnet mask would accommodate the number of hosts shown for each subnetwork with the least amount of IP addresses wasted?


255.255.0.0

255.255.255.192

255.255.255.224255.255.255.240

255.255.255.248

13 In the URL http://dev.cisco.com/wwwdocs/procedures.htm, what is identified by wwwdocs?the server name where the resource is located

the protocol that is used for the resource request

the domain name of the server that is being accessed

the folder where the requested resource is stored

14Which combination of network address and subnet mask allows 62 hosts to be connected in a single subnet?

Network address 10.1.1.4 Subnet mask 255.255.255.240




15 What is the maximum unrepeated distance set by industry standards for UTP cable?10 meters

75 meters

100 meters

325 meters




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16 What is a characteristic of a scalable network?100% uptime

redundant links

easy expansion

multiple backup devices

17Which statement describes a route that has been learned dynamically?












It is automatically updated and maintained by routing protocols.

It is unaffected by changes in the topology of the network.

It has an administrative distance of 1.

It is identified by the prefix C in the routing table.

18

Refer to the exhibit. A NOC technician at an ISP enters the command c:\ping 209.165.201.7. What are two reasons to use this command? (Choose two.)

map the path to 209.165.201.7

test reachability to 209.165.201.7

locate connectivity problems along the route to 209.165.201.7

identify ISPs that interconnect the NOC and remote host with IP 209.165.201.7

measure the time that packets take to reach 209.165.201.7 and return to the technician's workstation


19Which AAA process requires users to prove their identity with a username and password to gain access to a network?

accounting

authorization

authentication

acknowledgment

20 What routing protocol would be appropriate to use for exchanging routes between ISPs?RIPv2

BGP

OSPF

EIGRP

21




Refer to the exhibit. A technician uses the SDM application to configure router R1. Which step should be taken by the technician to enable the Fa0/0 interface on R1 to participate on the connected local network?

Enable a DHCP server on the Fa0/0 LAN interface.

Configure the appropriate IP address on the Fa0/0 interface.

Configure IP addresses for the primary and secondary DNS server.Configure the starting and ending IP addresses for the DHCP pool but exclude the Fa0/0 IP address.

22


The show ip route command was executed on one of the routers shown in the graphic and the following output was displayed:

C 192.168.4.0/24 is directly connected, Serial0/0R 192.168.5.0/24 [120/1] via 192.168.4.2, 00:00:19, Serial0/0R 192.168.1.0/24 [120/2] via 192.168.3.1, 00:00:20, Serial0/1R 192.168.2.0/24 [120/2] via 192.168.3.1, 00:00:20, Serial0/1C 192.168.3.0/24 is directly connected, Serial0/1

From which router was this command executed?A

B

C

D

23

Refer to the exhibit. The network administrator uses the command below to configure a default route on RTB:

RTB(config)# ip route 0.0.0.0 0.0.0.0 fa0/0

A ping issued from PC3 is successful to RTB. However, echo request packets arrive at PC1 but the echo replies do not make it back to PC3. What will fix this problem?

RTA must be configured to forward packets to the 192.168.2.0 network.

The ip route command needs to be edited so that the next hop address is 10.1.1.5.The ip route command needs to be edited so that the 192.168.2.1 address is the next hop address.The ip route command should be removed from the RTB router configuration.


Another default route should be configured on RTA with a next hop address of 10.1.1.6.

24

Refer to the exhibit. While configuring the serial interface of a router, the network administrator sees the highlighted error message. What is the reason for this?

The serial interface is administratively down.

The serial interface is already configured with an IP address.The network administrator has attempted to configure the serial interface with a broadcast address.The same IP address has been configured on another interface.

25Which networking service is used to provide name to IP address mapping?DNS

FTP

NAT

DHCP

26 If the configuration register is currently set to 0x2102, what is the first action that a router will take after the bootstrap program loads successfully?

load the IOS from flash

load the IOS from NVRAM

load the IOS from the TFTP server




load the startup configuration file from flash

load the startup configuration file from NVRAM

load the startup configuration file from the TFTP server

27Which two services are required to enable a computer to receive dynamic IP addresses and access the Internet using domain names? (Choose two.)

DNS

WINS

HTTP

DHCP

SMTP

28



Refer to the exhibit. Devices need to connect to the file server from remote networks. What method should be used to provide the file server with an IP address to allow these connections?

static NAT

static PAT

dynamic NATdynamic PAT

29A small company has contracted with its ISP for web hosting. Which two items would be included in the SLA for this service? (Choose two.)

performance

web server cost

service availability

operating system on the web server

web server model and configuration

30 A network engineer is planning a new horizontal cable installation in an office building. What advantage would UTP cable have over fiber optic cable for this installation?

lower installation costs

better protection from EMI

higher transmission speeds

longer unrepeated distance between endpoints









Assessment System

46 A user is unable to connect to the Internet. The network administrator decides to use the top-down troubleshooting approach. Which action should the administrator perform first?

Run the tracert command to identify the faulty device.

Check the patch cable connection from the PC to the wall.

Enter an IP address in the address bar of the web browser to determine if DNS has failed.

Run the ipconfig command to verify the IP address, subnet mask, and gateway on the PC.

47A small company wishes to provide e-mail accounts for its users. For insurance reasons the company wants to ensure that proper mail retention policies are followed. The company wants to ensure that all e-mail is backed up regularly, but it does not want the users to have to perform this backup themselves. Which protocol would meet the needs of the company?

SSL

POP3

SMTP

IMAP4

48 What does the command RA(dhcp-config)# dns-server 10.10.64.221 10.10.64.222 accomplish?




allows RA to act as a DNS relay agent

allows RA to be configured as a DNS server

identifies the default gateway address that is used to reach the DNS servers

enables DHCP clients to use the specified IP addresses as DNS servers

49A company is developing an Internet store for its website. Which protocol should be used to transfer credit card information from customers to the company web server?

FTPS

HTTP

HTTPSWEP2

TFTP

50 At which layer of the OSI model is the Ethernet family of technologies defined?Layer 1

Layer 2Layer 3

Layer 4

Layer 5

Layer 6

Layer 7

51




Refer to the exhibit. What does the highlighted value 120 represent?the number of hops between the router and network 10.0.5.0

the administrative distance of the routing protocolthe UDP port number that is used for forwarding traffic

the bandwidth that is allocated to the serial interface

52 A building has experienced a power outage. When the power returns, none of the devices on one floor can access the Internet. The network administrator checks the switch in the IDF that these devices are connected to and notes that the SYST LED on the front of the switch is amber.

What is a possible cause of this problem?The switch is functioning properly.

The switch has failed POST.The switch configuration file was not saved to NVRAM.The connection between the switch and the server did not autonegotiate speed and duplex properly.


ccna 4 module 2 final

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