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 CCNA Questions

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Q:

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 & Explanation Answer: C) You must use the terminal monitor command

Explanation:

To see console messages through your Telnet session, you must enter the terminal monitor command.

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Q:

Your switch has a port status  LED that is alternating between green and amber. What could this indicate?

A) The port is experiencing errors B) The port is shut down
C) The port is in STP blocking mode D) Nothing, this is normal.
 
Answer & Explanation Answer: A) The port is experiencing errors

Explanation:

When you connect to a switch port, at first the link lights are orange/amber, and then they turn green, indicating normal operation. If the  link light is blinking, you have a problem.

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Q:

You type Router#sh ru and receive a % 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 & Explanation Answer: B) There is more than one show command that starts with the letters ru.

Explanation:

The % ambiguous command error means that there is more than one possible show command that starts with ru. Use a question mark to find the correct command.

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Q:

The network address used to advertise a summary address is always which of the following?

A) The last network address in the block B) The next to last network in the block
C) The second network in the block D) The first network in the block
 
Answer & Explanation Answer: D) The first network in the block

Explanation:

The network address used to advertise a summary address is always the first network in the block

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Q:

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 & Explanation Answer: C) Setup mode

Explanation:

If you delete the startup-config and reload the router, the router will automatically enter setup mode. You can also type setup from privileged mode at any time.

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Q:

What device must be on your wired network when running an enterprise EAP solution?

Answer

RADIUS Server

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Q:

What is frame tagging?

Answer

Frame identification (frame tagging) uniquely assigns a user-defined ID to each frame. This is sometimes reffered to as a VLAN ID or color.

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Q:

Which command displays IP-to-MAC- address mappings on a Windows PC?

A) ping B) traceroute
C) arp -a D) tracert
 
Answer & Explanation Answer: C) arp -a

Explanation:

The arp -a command displays IP-to-MAC-address mappings on a Windows PC.

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