Refer to the exhibit.

A network administrator has set up MPLS on the switches shown in the exhibit. The administrator wants to verify that PE-1 can use MPLS to forward
traffic to Site 3, as well as see the labels used along the path. Which step should the administrator take to obtain this information?

A.
Run a tracert to an IP address at Site 3 using the MPLS option.

B.
Use thedisplaycommand to view MPLS LDP neighbors.

C.
Debug LDP and ping an IP address at Site 3.

D.
Use thedisplaycommand to view MPLS Label Forwarding Information Base (LFIB).

Explanation:
http://blog.ine.com/2008/11/24/mpls-ping-and-traceroute/