Q.1

What should the configuration register value be after you successfully complete the password recovery procedure and return the router to normal operation?

  • 0x2100
  • 0x2101
  • 0x2102
  • 0x2142
Q.2

Which command will show you the IOS version running on your router?

  • sh IOS
  • sh flash
  • sh version
  • sh running-config
Q.3

What information is displayed by the show hosts command?

  1. Temporary DNS entries
  2. The names of the routers created using the hostname command
  3. The IP addresses of workstations allowed to access the router
  4. Permanent name-to-address mappings created using the ip host command
  5. The length of time a host has been connected to the router via Telnet
  • 1, 2 and 3
  • 1 and 4
  • 3, 4, and 5
  • All of the above
Q.4

You are troubleshooting a connectivity problem in your corporate network and want to isolate the problem. You suspect that a router on the route to an unreachable network is at fault. What IOS user exec command should you issue?

  • Router> ping
  • Router> trace
  • Router> show ip route
  • Router> show interface
Q.5

You telnet into a remote device and type debug ip rip, but no output from the debug command is seen. What could the problem be?

  • You must type the show ip rip command first.
  • IP addressing on the network is incorrect.
  • You must use the terminal monitor command.
  • Debug output is sent only to the console.
Q.6

You need to gather the IP address of a remote switch that is located in Hawaii. What can you do to find the address?

  • Issue the show ip arp command on the router connected to the switch.
  • Issue the show ip route command on the router connected to the switch.
  • Issue the show cdp neighbor command on the router connected to the switch.
  • Issue the show cdp neighbors detail command on the router connected to the switch.
Q.7

You are unsuccessful in telnetting into a remote device. What could the problem be?

  1. IP addresses are incorrect.
  2. Access control list is filtering Telnet.
  3. There is a defective serial cable.
  4. The VTY password is missing.
  • 1 only
  • 3 only
  • 2 and 4 only
  • All of the above
Q.8

The configuration register setting of 0x2102 provides what function to a router?

  • Tells the router to boot into ROM monitor mode
  • Provides password recovery
  • Tells the router to look in NVRAM for the boot sequence
  • Boots the IOS from a TFTP server
Q.9

What does the command o/r 0x2142 provide?

  • It is used to restart the router.
  • It is used to bypass the configuration in NVRAM.
  • It is used to enter ROM Monitor mode.
  • It is used to view the lost password.
Q.10

A network administrator wants to upgrade the IOS of a router without removing the image currently installed. What command will display the amount of memory consumed by the current IOS image and indicate whether there is enough room available to hold both the current and new images?

  • show version
  • show flash
  • show memory
  • show buffers
Q.11

Which three commands can be used to check LAN connectivity problems on a router?

  1. show interfaces
  2. show ip route
  3. tracert
  4. ping
  5. dns lookups
  • 1 ,2 and 4
  • 2 and 5
  • 3 and 5
  • None of the above
Q.12

You telnet to a router and make your necessary changes; now you want to end the Telnet session. What command do you type in?

  • close
  • disable
  • disconnect
  • exit
Q.13

You save the configuration on a router with the copy running-config startup-config command and reboot the router. The router, however, comes up with a blank configuration. What can the problem be?

  • You didn't boot the router with the correct command.
  • NVRAM is corrupted.
  • The configuration register setting is incorrect.
  • The newly upgraded IOS is not compatible with the hardware of the router.
Q.14

You copy a configuration from a network host to a router's RAM. The configuration looks correct, yet it is not working at all. What could the problem be?

  • You copied the wrong configuration into RAM.
  • You copied the configuration into flash memory instead.
  • The copy did not override the shutdown command in running-config.
  • The IOS became corrupted after the copy command was initiated.
Q.15

If you want to have more than one Telnet session open at the same time, what keystroke combination would you use?

  • Tab+Spacebar
  • Ctrl+X, then 6
  • Ctrl+Shift+X, then 6
  • Ctrl+Shift+6, then X
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