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This section includes 26 Mcqs, each offering curated multiple-choice questions to sharpen your Networking knowledge and support exam preparation. Choose a topic below to get started.
1. |
You have your laptop directly connected into a router's Ethernet port. Which of the following are among the requirements for the command to be successful? |
A. | 1, 3 and 4 |
B. | 2, 4 and 5 |
C. | 3 and 5 only |
D. | 5 only |
Answer» C. 3 and 5 only | |
2. |
What information is displayed by the command? |
A. | 1, 2 and 3 |
B. | 1 and 4 |
C. | 3, 4, and 5 |
D. | All of the above |
Answer» C. 3, 4, and 5 | |
3. |
What does the command provide? |
A. | It is used to restart the router. |
B. | It is used to bypass the configuration in NVRAM. |
C. | It is used to enter ROM Monitor mode. |
D. | It is used to view the lost password. |
Answer» C. It is used to enter ROM Monitor mode. | |
4. |
Which three commands can be used to check LAN connectivity problems on a router?1. show interfaces2. show ip route3. tracert4. ping5. dns lookups |
A. | ,2 and 4 |
B. | and 5 |
C. | and 5 |
D. | one of the above |
Answer» B. and 5 | |
5. |
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. |
A. | only |
B. | only |
C. | and 4 only |
D. | ll of the above |
Answer» D. ll of the above | |
6. |
What information is displayed by the show hosts command?1. Temporary DNS entries2. The names of the routers created using the hostname command3. The IP addresses of workstations allowed to access the router4. Permanent name-to-address mappings created using the ip host command5. The length of time a host has been connected to the router via Telnet |
A. | , 2 and 3 |
B. | and 4 |
C. | , 4, and 5 |
D. | ll of the above |
Answer» C. , 4, and 5 | |
7. |
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? |
A. | Router> ping |
B. | Router> trace |
C. | Router> show ip route |
D. | Router> show interface |
Answer» C. Router> show ip route | |
8. |
You need to gather the IP address of a remote switch that is located in Hawaii. What can you do to find the address? |
A. | Issue the show ip arp command on the router connected to the switch. |
B. | Issue the show ip route command on the router connected to the switch. |
C. | Issue the show cdp neighbor command on the router connected to the switch. |
D. | Issue the show cdp neighbors detail command on the router connected to the switch. |
Answer» E. | |
9. |
Which command loads a new version of the Cisco IOS into a router? |
A. | copy flash ftp |
B. | copy ftp flash |
C. | copy flash tftp |
D. | copy tftp flash |
Answer» E. | |
10. |
The configuration register setting of 0x2102 provides what function to a router? |
A. | Tells the router to boot into ROM monitor mode |
B. | Provides password recovery |
C. | Tells the router to look in NVRAM for the boot sequence |
D. | Boots the IOS from a TFTP server |
Answer» D. Boots the IOS from a TFTP server | |
11. |
What should the configuration register value be after you successfully complete the password recovery procedure and return the router to normal operation? |
A. | 0x2100 |
B. | 0x2101 |
C. | 0x2102 |
D. | 0x2142 |
Answer» D. 0x2142 | |
12. |
What does the command o/r 0x2142 provide? |
A. | It is used to restart the router. |
B. | It is used to bypass the configuration in NVRAM. |
C. | It is used to enter ROM Monitor mode. |
D. | It is used to view the lost password. |
Answer» C. It is used to enter ROM Monitor mode. | |
13. |
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? |
A. | You must type the show ip rip command first. |
B. | IP addressing on the network is incorrect. |
C. | You must use the terminal monitor command. |
D. | Debug output is sent only to the console. |
Answer» D. Debug output is sent only to the console. | |
14. |
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? |
A. | show version |
B. | show flash |
C. | show memory |
D. | show buffers |
Answer» C. show memory | |
15. |
You telnet to a router and make your necessary changes; now you want to end the Telnet session. What command do you type in? |
A. | close |
B. | disable |
C. | disconnect |
D. | exit |
Answer» E. | |
16. |
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? |
A. | You copied the wrong configuration into RAM. |
B. | You copied the configuration into flash memory instead. |
C. | The copy did not override the shutdown command in running-config. |
D. | The IOS became corrupted after the copy command was initiated. |
Answer» D. The IOS became corrupted after the copy command was initiated. | |
17. |
Which command will show you the IOS version running on your router? |
A. | sh IOS |
B. | sh flash |
C. | sh version |
D. | sh running-config |
Answer» D. sh running-config | |
18. |
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? |
A. | You didn't boot the router with the correct command. |
B. | NVRAM is corrupted. |
C. | The configuration register setting is incorrect. |
D. | The newly upgraded IOS is not compatible with the hardware of the router. |
Answer» D. The newly upgraded IOS is not compatible with the hardware of the router. | |
19. |
Which three commands can be used to check LAN connectivity problems on a router? show interfaces show ip route tracert ping dns lookups |
A. | 1 ,2 and 4 |
B. | 2 and 5 |
C. | 3 and 5 |
D. | None of the above |
Answer» B. 2 and 5 | |
20. |
Which command displays the configuration register setting? |
A. | show ip route |
B. | show boot version |
C. | show version |
D. | show flash |
Answer» D. show flash | |
21. |
What information is displayed by the show hosts command? Temporary DNS entries The names of the routers created using the hostname command The IP addresses of workstations allowed to access the router Permanent name-to-address mappings created using the ip host command The length of time a host has been connected to the router via Telnet |
A. | 1, 2 and 3 |
B. | 1 and 4 |
C. | 3, 4, and 5 |
D. | All of the above |
Answer» C. 3, 4, and 5 | |
22. |
Which command will copy the IOS to a backup host on your network? |
A. | transfer IOS to 172.16.10.1 |
B. | copy run start |
C. | copy start tftp |
D. | copy flash tftp |
Answer» E. | |
23. |
You are unsuccessful in telnetting into a remote device. What could the problem be? IP addresses are incorrect. Access control list is filtering Telnet. There is a defective serial cable. The VTY password is missing. |
A. | 1 only |
B. | 3 only |
C. | 2 and 4 only |
D. | All of the above |
Answer» D. All of the above | |
24. |
If you want to have more than one Telnet session open at the same time, what keystroke combination would you use? |
A. | Tab+Spacebar |
B. | Ctrl+X, then 6 |
C. | Ctrl+Shift+X, then 6 |
D. | Ctrl+Shift+6, then X |
Answer» E. | |
25. |
The corporate office sends you a new router to connect, but upon connecting the console cable, you see that there is already a configuration on the router. What should be done before a new configuration is entered in the router? |
A. | RAM should be erased and the router restarted. |
B. | Flash should be erased and the router restarted. |
C. | NVRAM should be erased and the router restarted. |
D. | The new configuration should be entered and saved. |
Answer» D. The new configuration should be entered and saved. | |
26. |
You have your laptop directly connected into a router's Ethernet port. Which of the following are among the requirements for the copy flash tftp command to be successful? TFTP server software must be running on the router. TFTP server software must be running on your laptop. The Ethernet cable connecting the laptop directly into the router's Ethernet port must be a straight-through cable. The laptop must be on the same subnet as the router's Ethernet interface. The copy flash tftp command must be supplied the IP address of the laptop. |
A. | 1, 3 and 4 |
B. | 2, 4 and 5 |
C. | 3 and 5 only |
D. | 5 only |
Answer» C. 3 and 5 only | |