11.
What command do you type to save the configuration stored in RAM to NVRAM?

12.
You type Router#sh ru and receive an % ambiguous command error. Why did you receive this message?

13.
If you wanted administrators to see a message when logging into the router, which command would you use?

14.
How many simultaneous Telnet sessions does a Cisco router support by default?

15.
You set the console password, but when you display the configuration, the password doesn't show up; it looks like this:
[output cut]
Line console 0
    Exec-timeout 1 44
    Password 7098C0BQR
    Login
[output cut]
What cause the password to be stored like this?

16.
Which command will show you whether a DTE or a DCE cable is plugged into serial 0?

17.
You want to totally reinitialize the router and replace the current running-config with the current startup-config. What command will you use?

18.
If you delete the contents of NVRAM and reboot the router, what mode will you be in?

19.
What is the problem with an interface if you type show interface serial 0 and receive the following message? "Serial0 is administratively down, line protocol is down."