ccna 2 final

ccna 2 final

Why would an administrator change the value highlighted in the exhibit? (Choose two.)

-to make the router bypass the startup-configuration file

-to configure the router to boot the RXBOOT image 

During initial router bootup the following line appears:
"NVRAM invalid, possibly due to write erase."
What are two possible reasons for this result? (Choose two.)

-The router has not been configured.

-The startup-config file cannot be located. 

A new technician must add boot system commands to one of the department routers. Which available commands will the router return as output when the command shown below is entered? (Choose two.)
Router(config)# boot system ?

-TFTP

-FLASH 

What information can be learned during the initial router bootup? (Choose two.)

-the number and types of interfaces installed

-the router model and the amount of memory that is available 

Which of the following are primary functions of a router? (Choose two.)

-packet switching

-Path selection 

What can be determined from the output shown in the exhibit? (Choose two.)

-Montgomery has Layer 2 connectivity with Cumberland.

-Brant, Fisherman, and Potomac are directly connected to Montgomery. 

Which router components and operations are correctly described? (Choose two.)

NVRAM - stores the configuration file

POST - runs diagnostics on hardware modules 

What are the results of setting the boot field bits in the configuration register to "0000"? (Choose two.)

-The router will enter ROM monitor mode upon reload.

Which commands will correctly configure an extended ACL? (Choose two.)

-Router(config)# access-list 192 permit icmp host 198.18.4.3 172.22.0.255 0.0.0.0 echo

-Router(config)# access-list 153 deny udp 10.43.0.0 0.0.255.255 any eq 161 

Which commands will show the status and IP address of all interfaces on a router? (Choose two.)

-show protocols

-show interfaces 

An administrator needs to determine if RIP v1 or IGRP should be used in a small network. Which two statements are true and should be considered by the administrator before making the decision? (Choose two.)

-IGRP will use the available bandwidth and calculated traffic delays on the link to help determine the best path.

-IGRP can be implemented on large networks up to 255 hops in diameter. 

Which of the following statements are true regarding routed protocols? (Choose two.)

-They provide enough information in the Layer 3 address to allow a packet to be forwarded from one network to another.

-They carry user data between networks. 

Which two steps describe how to create a functional physical connection between a router console and a terminal? (Choose two.)

-Use an RJ-45 to DB-9 adapter on the terminal serial port to connect to the cable going to the router console.

-Use a rollover cable to connect from a terminal serial port to the router console port. 

What are two possible reasons a router would not load a valid IOS from flash? (Choose two.)

-The first boot system command executed in the startup configuration file is boot system rom.

-The configuration register is set to 0x2100. 

access-list 199 deny tcp 198.18.0.0 0.0.255.255 any eq 25
access-list 199 permit ip any any 
Assuming this ACL is correctly applied to a router interface, which statements describe traffic on the network? (Choose two.)

-SMTP traffic from hosts on network 198.18.0.0 will be denied.

-SMTP and HTTP traffic to hosts on the 198.18.0.0 network is permitted. 

What can be concluded from the set of commands shown in the exhibit? (Choose two.)

-This is a named extended ACL that allows any host on 192.168.85.0 to Telnet to address 172.25.0.26.

-All FTP and HTTP traffic destined for 172.25.0.26 will be denied. 

Neither router in the graphic has a host table or DNS available. The interfaces and passwords have been correctly configured. Which of the following commands will initiate a Telnet session? (Choose two.)

-ATL# 192.168.4.2

-CHI# telnet 192.168.4.1 

From the running-config, the following configuration entries are displayed:
Router(config)# line vty 0 2 
Router(config-line)# password g8k33pr 
Router(config-line)# login 
What can be interpreted from the exhibited configuration? (Choose two.)

-Three Telnet lines are available for remote access.

-Remote access to this local router will require a Telnet password of g8k33pr. 

What are two characteristics of the support for Telnet within Cisco IOS software? (Choose two.)

-Up to five separate Telnet lines are supported by default in standard edition IOS files.

-A router can host simultaneous Telnet sessions. 

What are two recommended uses of login banners? (Choose two.)

-to display security warning messages

-to announce a scheduled system shutdown

Which features describe a FastEthernet interface on a router? (Choose two.)

-may be administratively disabled by using the shutdown command

-must be configured with a valid IP address and subnet mask in order to forward packets 

What will occur if the command service password-encryption is entered on a router? (Choose two).

-It will apply a weak encryption to all unencrypted passwords.

-It will configure the user EXEC mode, telnet, and enable passwords as encrypted. 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Choose 3 

Which procedures will work while configuring the router using the setup configuration utility? (Choose three.)

-Press Enter or the Return key to accept the default values.

-Enter the address on an interface or add a new routing protocol suite.

-Press Ctrl-C to return to the privileged mode prompt or to terminate setup mode. 

Which devices can be used to convert the data from a WAN router at the customer site into a form acceptable for use by the WAN service provider? (Choose three.)

-modem

-DCE device

-CSU/DSU 

Refer to the exhibit. Communication is needed between the Marketing LAN and the Sales LAN. All hosts on those LANs also need connectivity to the Internet. Which three commands will allow this communication? (Choose three).

-Marketing(config)# ip route 0.0.0.0 0.0.0.0 fa0/0

-Sales(config)# ip route 192.0.2.0 255.255.255.0 fa0/0

-Sales(config)# ip route 0.0.0.0 0.0.0.0 s0/0 

What can be determined from the output shown in the exhibit? (Choose three.)

-The version for this IOS file is 12.1 release 5.

-Where the file is stored on the router and whether the file is relocatable is indicated by the expression mz.

-This image could be used on a 2621 or a 2620 with enough RAM. 

What are three features of CDP? (Choose three.)

-provides information on directly connected devices that have CDP enabled

-tests Layer 2 connectivity

-enabled by default on each interface 

The following access list has been correctly applied to a router interface:
access-list 52 deny 172.30.65.52
access-list 52 permit any 
Which of the following statements are true about this ACL? (Choose three.)

-A wildcard mask of 0.0.0.0 is assumed for 172.30.65.52.

-All traffic from 172.30.65.51 will be permitted.

-This is a standard IP access list. 

Why are interface descriptions used in router configurations? (Choose three).

-to enable support personnel to easily identify networks and customers that may    be affected by a possible interface issue

-to provide comments on the interface without affecting the router functionality

-to identify the purpose and location of the interface 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Single answer

In what order will the initial startup routine of a router locate and load the IOS if the config-register setting is 0x2102 and there are no boot system commands present in the startup-config file?

-Flash, TFTP server, ROM 

The Marshall and Fiji routers have been correctly configured to use RIP v1 as a dynamic routing protocol, and all interfaces on the Marshall and Fiji routers are reporting "interface is up, line protocol is up" status. RIP v1 is then configured on the Chatham router using the following commands:  
Chatham(config)# router rip 
Chatham(config-router)# network 198.18.100.0 
Chatham(config-router)# network 172.23.0.0 
If no additional routing is configured on Chatham, Marshall, or Fiji, what will be the result?

-Networks 198.18.100.0/24 and 172.23.0.0/16 will be unreachable from Marshall and Fiji. 
 

Router A is directly connected to the networks shown in the graphic and has a default route that points to Router B. All interfaces are active and properly addressed. However, when the workstation on network 172.16.4.0/24 sends a packet to destination address 172.16.201.5, it is discarded by Router A. What can be a reason for this result?

-The ip classless command is not enabled on Router A. 

A network administrator has enabled RIP on routers A and B in the network diagram. Which commands will prevent RIP v1 updates from being sent to Router C?

-B(config)# router rip 
B(config-router)# passive-interface S0/1 

Which router component stores the information that is displayed by the show arp command?

-RAM 

If a PC does not have network connectivity to a router, which router port can be used to establish communication?

-Console 

What can a network administrator do to recover from a lost router password?

-boot the router to ROM monitor mode and configure the router to ignore NVRAM when it initializes 
 

 
 
The following access list has been created to prevent traffic from host 172.23.40.36 from accessing the 192.168.34.0 network.
access-list 44 deny host 172.23.40.36
access-list 44 permit any 
Refer to the graphic. Which group of commands will properly place the access list so that the host is denied access only to network 192.168.34.0?

-Tokyo(config)# interface fa0/0 
Tokyo(config-if)# ip access-group 44 out 

A network administrator must configure a FastEthernet interface with an IP address. The configuration must also identify the remote site to which the interface is connected. Which set of commands will meet these requirements?

-StPetersburg(config)# interface fa0/0 
StPetersburg(config-if)# ip address 172.26.155.5 255.255.255.252 
StPetersburg(config-if)# description San Jose T1 

A network administrator issues the erase startup-config command on a configured router with the configuration register set to 0x2102 and observes the following output:
Erasing the nvram filesystem will remove all files! Continue? [Confirm]
[OK]
Erase of nvram: complete
If the router unexpectedly loses power after this sequence, what will occur when power is restored?

-The router will prompt the user to enter setup mode or to continue without entering setup mode. 

The main router of XYZ company has enough flash and RAM to store multiple IOS images. An administrator wants to upload a second IOS image from a TFTP server to the flash of the router. Which method will accomplish this task?

-Copy the IOS image file from a TFTP server using the command copy tftp flash. When prompted, provide the IP address or name of the TFTP server and the IOS image filename. 

Refer to the exhibit. While planning an IOS upgrade, the administrator issues the command show version. What is the current IOS boot location?

-ROM 

Refer to the graphic. Which command will create a standard ACL that will apply to outbound traffic on interface Fa0/0 of router A and will deny IP traffic from any host on network 172.16.34.0/24 that is destined for network 192.168.5.0/24 while allowing all other IP traffic?

-access-list 33 deny 172.16.34.0 0.0.0.255
access-list 33 permit any 

Refer to the exhibit. Router C interface E0 has gone down. What is the maximum time that will elapse before Router A learns that network 110.90.1.0 is down?

-5 seconds

 
Refer to the exhibit. Which set of commands will configure static routes that will allow the WinterPark and the Altamonte routers to deliver packets from each LAN and direct all other traffic to the Internet?

-WinterPark(config)# ip route 0.0.0.0 0.0.0.0 192.168.146.1 
Altamonte(config)# ip route 10.0.234.0 255.255.255.0 192.168.146.2 
Altamonte(config)# ip route 0.0.0.0 0.0.0.0 s0/1

Which ACL can be applied in the outbound direction of Serial 0/0 on router B in the graphic to allow all IP traffic from LAN A to the Internet, allow Web traffic from LAN B to the Internet, and deny all other traffic to the Internet?

-access-list 125 permit ip 192.168.2.0 0.0.0.255 any 
access-list 125 permit tcp 10.90.3.0 0.0.0.255 any eq www

 
What will occur when the following ACL is applied inbound to both FastEthernet interfaces of the Anaheim Router shown in the exhibit?
access-list 166 permit icmp 10.128.114.0 0.0.0.255 10.97.88.0 0.0.0.255 echo 
access-list 166 permit icmp 10.97.88.0 0.0.0.255 10.128.114.0 0.0.0.255 echo 
access-list 166 permit tcp 10.128.114.0 0.0.0.255 any eq www

-The Finance Admin host and the HR Admin host will be able to ping to each other. The HR Admin host will be allowed to access Web servers on the Internet, while the Finance Admin host will be denied Internet Web access.

 
Refer to the graphic. A network administrator has a console connection to Router A. Pings to Router B are successful, but pings to Routers C and D fail. What is the first step in troubleshooting the problem?

-Use the show interfaces command from a Telnet session on router B to check the connection to router C. 

Refer to the graphic. Assuming default metrics are used and the network is fully converged, which path will the IGRP routing protocol use to send a packet from Router A to Router F?

-A, B, D, E, F 

What can be determined from this output?  
I 192.0.2.0/24 [100/57625] via 198.18.243.21, 00:00:12, Serial0/1

-57625 is a composite metric used by IGRP in calculating the best path.