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This section includes 28 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 type and get this output: What do the two numbers following the exec-timeout command mean? |
A. | If no command has been typed in 35 seconds, the console connection will be closed. |
B. | If no router activity has been detected in 1 hour and 35 minutes, the console will be locked out. |
C. | If no commands have been typed in 1 minute and 35 seconds, the console connection will be closed. |
D. | If you're connected to the router by a Telnet connection, input must be detected within 1 minute and 35 seconds or the connection will be closed. |
Answer» D. If you're connected to the router by a Telnet connection, input must be detected within 1 minute and 35 seconds or the connection will be closed. | |
2. |
What layer of the OSI model would you assume the problem is in if you type and receive the following message? |
A. | Physical layer |
B. | Data Link layer |
C. | Network layer |
D. | None. It is a router problem. |
Answer» B. Data Link layer | |
3. |
What is the problem with an interface if you type and receive the following message? |
A. | The keepalives are different times. |
B. | The administrator has the interface shut down. |
C. | The administrator is pinging from the interface. |
D. | No cable is attached. |
Answer» C. The administrator is pinging from the interface. | |
4. |
You type the following command into the router and receive the following output: Why was this error message displayed? |
A. | You need to be in privileged mode. |
B. | You cannot have a space between serial and 0/0. |
C. | The router does not have a serial0/0 interface. |
D. | Part of the command is missing. |
Answer» E. | |
5. |
You type show running-config and get this output:[output cut]Line console 0Exec-timeout 1 35Password BIXPASSWDLogin[output cut]What do the two numbers following the exec-timeout command mean? |
A. | f no command has been typed in 35 seconds, the console connection will be closed. |
B. | f no router activity has been detected in 1 hour and 35 minutes, the console will be locked out. |
C. | f no commands have been typed in 1 minute and 35 seconds, the console connection will be closed. |
D. | f you're connected to the router by a Telnet connection, input must be detected within 1 minute and 35 seconds or the connection will be closed. |
Answer» D. f you're connected to the router by a Telnet connection, input must be detected within 1 minute and 35 seconds or the connection will be closed. | |
6. |
Which of the following commands will display the current IP addressing and the layer 1 and 2 status of an interface?1. show version2. show protocols3. show interfaces4. show controllers5. show ip interface |
A. | , 2 and 4 |
B. | , 3 and 5 |
C. | and 4 only |
D. | one of the above |
Answer» C. and 4 only | |
7. |
You type the following command into the router and receive the following output:Router#show serial 0/0^% Invalid input detected at '^' marker.Why was this error message displayed? |
A. | ou need to be in privileged mode. |
B. | ou cannot have a space between serial and 0/0. |
C. | he router does not have a serial0/0 interface. |
D. | art of the command is missing. |
Answer» E. | |
8. |
What is the problem with an interface if you type show interface serial 0 and receive the following message?"Serial0 is administratively down, line protocol is down." |
A. | he keepalives are different times. |
B. | he administrator has the interface shut down. |
C. | he administrator is pinging from the interface. |
D. | o cable is attached. |
Answer» C. he administrator is pinging from the interface. | |
9. |
You set the console password, but when you display the configuration, the password doesn't show up; it looks like this:[output cut]Line console 0Exec-timeout 1 44Password 7098C0BQRLogin[output cut]What cause the password to be stored like this? |
A. | ncrypt password |
B. | ervice password-encryption |
C. | ervice-password-encryption |
D. | xec-timeout 1 35 |
Answer» C. ervice-password-encryption | |
10. |
What keystroke will terminate setup mode? |
A. | Ctrl+Z |
B. | Ctrl+^ |
C. | Ctrl+C |
D. | Ctrl+Shift+^ |
Answer» D. Ctrl+Shift+^ | |
11. |
Which command will delete the contents of NVRAM on a router? |
A. | delete NVRAM |
B. | delete startup-config |
C. | erase NVRAM |
D. | erase start |
Answer» E. | |
12. |
If you delete the contents of NVRAM and reboot the router, what mode will you be in? |
A. | Privileged mode |
B. | Global mode |
C. | Setup mode |
D. | NVRAM loaded mode |
Answer» D. NVRAM loaded mode | |
13. |
You want to totally reinitialize the router and replace the current running-config with the current startup-config. What command will you use? |
A. | replace run start |
B. | copy run start |
C. | copy start run |
D. | reload |
Answer» E. | |
14. |
Which of the following commands will configure all the default VTY ports on a router? |
A. | Router#line vty 0 4 |
B. | Router(config)#line vty 0 4 |
C. | Router(config-if)#line console 0 |
D. | Router(config)#line vty all |
Answer» C. Router(config-if)#line console 0 | |
15. |
How many simultaneous Telnet sessions does a Cisco router support by default? |
A. | 2 |
B. | 3 |
C. | 4 |
D. | 5 |
Answer» E. | |
16. |
You need to find the broadcast address used on a LAN on your router. What command will you type into the router from user mode to find the broadcast address? |
A. | show running-config |
B. | show startup-config |
C. | show interfaces |
D. | show protocols |
Answer» D. show protocols | |
17. |
You set the console password, but when you display the configuration, the password doesn't show up; it looks like this: [output cut] Line console 0 Exec-timeout 1 44 Password 7098C0BQR Login [output cut] What cause the password to be stored like this? |
A. | encrypt password |
B. | service password-encryption |
C. | service-password-encryption |
D. | exec-timeout 1 35 |
Answer» C. service-password-encryption | |
18. |
If you wanted administrators to see a message when logging into the router, which command would you use? |
A. | message banner motd |
B. | banner message motd |
C. | banner motd |
D. | message motd |
Answer» D. message motd | |
19. |
What is the problem with an interface if you type show interface serial 0 and receive the following message? "Serial0 is administratively down, line protocol is down." |
A. | The keepalives are different times. |
B. | The administrator has the interface shut down. |
C. | The administrator is pinging from the interface. |
D. | No cable is attached. |
Answer» C. The administrator is pinging from the interface. | |
20. |
You type Router#sh ru and receive an % ambiguous command error. Why did you receive this message? |
A. | The command requires additional options or parameters. |
B. | There is more than one show command that starts with the letters ru. |
C. | There is no show command that starts with ru. |
D. | The command is being executed from the wrong router mode. |
Answer» C. There is no show command that starts with ru. | |
21. |
What layer of the OSI model would you assume the problem is in if you type show interface serial 1 and receive the following message? "Serial1 is down, line protocol is down." |
A. | Physical layer |
B. | Data Link layer |
C. | Network layer |
D. | None. It is a router problem. |
Answer» B. Data Link layer | |
22. |
You type the following command into the router and receive the following output: Router#show serial 0/0 ^ % Invalid input detected at '^' marker. Why was this error message displayed? |
A. | You need to be in privileged mode. |
B. | You cannot have a space between serial and 0/0. |
C. | The router does not have a serial0/0 interface. |
D. | Part of the command is missing. |
Answer» E. | |
23. |
Which command will show you whether a DTE or a DCE cable is plugged into serial 0? |
A. | sh int s0 |
B. | sh int serial 0 |
C. | show controllers serial 0 |
D. | show serial 0 controllers |
Answer» D. show serial 0 controllers | |
24. |
Which of the following commands will display the current IP addressing and the layer 1 and 2 status of an interface? show version show protocols show interfaces show controllers show ip interface |
A. | 1, 2 and 4 |
B. | 2, 3 and 5 |
C. | 3 and 4 only |
D. | None of the above |
Answer» C. 3 and 4 only | |
25. |
What command do you type to save the configuration stored in RAM to NVRAM? |
A. | Router(config)#copy current to starting |
B. | Router#copy starting to running |
C. | Router(config)#copy running-config startup-config |
D. | Router#copy run startup |
Answer» E. | |
26. |
Which of the following commands displays the configurable parameters and statistics of all interfaces on a router? |
A. | show running-config |
B. | show startup-config |
C. | show interfaces |
D. | show versions |
Answer» D. show versions | |
27. |
You type show running-config and get this output: [output cut] Line console 0 Exec-timeout 1 35 Password BIXPASSWD Login [output cut] What do the two numbers following the exec-timeout command mean? |
A. | If no command has been typed in 35 seconds, the console connection will be closed. |
B. | If no router activity has been detected in 1 hour and 35 minutes, the console will be locked out. |
C. | If no commands have been typed in 1 minute and 35 seconds, the console connection will be closed. |
D. | If you're connected to the router by a Telnet connection, input must be detected within 1 minute and 35 seconds or the connection will be closed. |
Answer» D. If you're connected to the router by a Telnet connection, input must be detected within 1 minute and 35 seconds or the connection will be closed. | |
28. |
Which of the following commands sets the secret password to Cisco? |
A. | enable secret password Cisco |
B. | enable secret cisco |
C. | enable secret Cisco |
D. | enable password Cisco |
Answer» D. enable password Cisco | |