What command will display the line, protocol, DLCI, and LMI information of an interface?
Correct Answer: C
In Cisco IOS, to display detailed Frame Relay virtual circuit information, including the line status, protocol status, DLCI (Data Link Connection Identifier), and LMI (Local Management Interface) details, the correct command is:
show frame-relay pvc
Cisco IOS Command Reference - Frame Relay:
"The show frame-relay pvc command displays information about PVC status, including DLCI numbers and LMI statistics." Breakdown:
* A: sh pvc - shorthand and ambiguous, may not be recognized
* B: show interface - general interface stats but lacks detailed LMI/DLCI info
* C: show frame-relay pvc -#correct, provides detailed DLCI/LMI info
* D: show run - shows current configuration, not real-time PVC status