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Question 8

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Router# show interface s0/0 Serial 0/0/0 is administratively down, line protocol is down

What is the reason that the interface status is “administratively down, line protocol down”?

A. There is no encapsulation type configured.
B. There is a mismatch in encapsulation types.
C. The interface is not receiving any keepalives.
D. The interface has been configured with the shutdown command.
E. The interface needs to be configured as a DTE device.
F. The wrong type of cable is connected to the interface.

 

Answer: D

Question 9

Refer to the exhibit. A network administrator configures a new router and enters the copy startup-config running-config on the router. The network administrator powers down the router and sets it up at a remote location. When the router starts, it enter the system configuration dialog as shown. What is the cause of the problem?

— System Configuration Dialog — Would you like to enter the initial configuration dialog? [yes/no]: % Please answer yes’ or ‘no’. Would you like to enter the initial configuration dialog? [yes/ho]: n Would you like to terminate autoinstall? [yes]: Press RETURN to get started!

A. The network administrator failed to save the configuration.
B. The configuration register is set to 0×2100.
C. The boot system flash command is missing from the configuration.
D. The configuration register is set to 0×2102.
E. The router is configured with the boot system startup command.

 

Answer: A

Explanation

The “System Configuration Dialog” appears only when no startup configuration file is found. The network administrator has made a mistake because the command “copy startup-config running-config” will copy the startup config (which is empty) over the running config (which is configured by the administrator). So everything configured was deleted.

Note: We can tell the router to ignore the start-up configuration on the next reload by setting the register to 0×2142. This will make the “System Configuration Dialog” appear at the next reload.

 

 

CCNA IPv6

 

Question 1

Which IPv6 address is valid?

A. 2031:0:130F::9C0:876A:130B
B. 2001:0DB8:0000:130F:0000:0000:08GC:140B
C. 2001:0DB8:0:130H::87C:140B
D. 2031::130F::9C0:876A:130B

 

Answer: A

Explanation

Answer B is not correct because it has a letter “G”.

Answer C is not correct because it has a letter “H”.

Answer D is not correct because it has two “::”.

Question 2

Which IPv6 address is the equivalent of the IPv4 interface loopback address 127.0.0.1?

A.::1
B.::
C. 2000::/3
D. 0::/10

Answer: A

Question 3

How many bits are contained in each field of an IPv6 address?

A. 24
B. 4
C. 8
D. 16

 

Answer: D

Question 4

Which IPv6 address is the all-router multicast group?

A. FF02::1
B. FF02::2
C. FF02::3
D. FF02::4

 

Answer: B


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