16. Which command will show you whether a DTE or a DCE cable is plugged into serial 0?
A. sh int s0
B. sh int serial 0
C. show controllers serial 0
D. show serial 0 controllers
17. You want to totally reinitialize the router and replace the current running-config with the current startup-config. What command will you use?
A. replace run start
B. copy run start
C. copy start run
D. reload
18. If you delete the contents of NVRAM and reboot the router, what mode will you be in?
A. Privileged mode
B. Global mode
C. Setup mode
D. NVRAM loaded mode
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.”
A. The keepalives are different times.
B. The administrator has the interface shut down.
C. The administrator is pinging from the interface.
D. No cable is attached.