You have enabled MPLS in your network using LDP for control plane signaling. After completing
the configurations, you find that both your input and output LDP databases have labels only for
loopback interfaces.
Referring to the scenario, which two statements are correct? (Choose two.)

A.
You should verify the configurations first, then enable ldp traceoptions.

B.
The default egress policy for LDP in the Junos OS announces only the loopback address.

C.
An LDP egress policy must be used to create and advertise new label mappings for directly
connected prefixes other than the loopback.

D.
An LDP export policy must be used to create and advertise new label mappings for directly
connected prefixes other than the loopback.

Explanation: