Question 9
Refer to the exhibit. Which WAN protocol is being used?
show_interface_pos.jpg
A. ATM
B. HDLC
C. Frame Relay
D. PPP
Answer: C
Explanation
Local Management Interface (LMI) is a signaling standard protocol used between your router (DTE) and the first Frame Relay switch. From the output we learn this interface is sending and receiving LMI messages -> Frame Relay is being used.