Question Detail

Which layer of OSI model will have problem if you get message "Serial1 is down, line protocol is down" after typing "show interface serial 1"

Physical Layer
Datalink Layer
Network layer
It is router problem

Answer: Option A

Similar Questions :

1. Command to show if DTE or DCE cable is plugged int o serial 0

sh int s0
sh int serial 0
show serial 0 controllers
show controllers s 0

Answer: Option D

2. Which user mode has limited monitoring commands in IOS

User EXEC mode
Privileged EXEC mode
Specific configuration mode
Setup mode

Answer: Option A

3. CLI in IOS terminology is short form of

Caller line interface
Common line interface
Command link interface
None of above

Answer: Option C

4. How many simultaneous sessions a Cisco router support by default

3
4
5
6

Answer: Option C

5. Command to delete NVRAM on a router

delete NVRAM
delete running-config
erase NVRAM
erase start

Answer: Option D

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