When you bring up a router, it firstly run a Power on self test(POST), If it passes then it will load IOS from flash memory then after that IOS looks for a valid configuration.
2. If you delete contents of NVRAM and reboot router, in which mode you will enter
Privileged mode
Global mode
Setup mode
There will be error
Answer: Option C
3. Subinterfaces allows to you to
Create logical interfaces within the router
Get into previleged mode
Get into user execution mode
None of above
Answer: Option A
4. CLI in IOS terminology is short form of
Caller line interface
Common line interface
Command link interface
None of above
Answer: Option C
5. Which mode provides interactive configuration dialog