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. How to display configurable parameters and statistics of all interfaces on router
show running-config
show startup-config
show versions
show interfaces
Answer: Option D
3. Which command will show all commands available from that particular mode
config
enable
interface
?
Answer: Option D
Explanation:
? is called help command. It shows all commands available from mode in which you are login
4. First IOS was written in
1984
1985
1986
1987
Answer: Option C
5. Command to show if DTE or DCE cable is plugged int o serial 0
