Refer to the exhibit:

Which effect of this configuration is true?

Refer to the exhibit. The network team must implement MPLS LDP session protection with two requirements:
Session protection is provided for core loopback IP addresses only.
The LDP session must remain operational for one hour when the WAN link on PE-XR1 fails.
Which configuration must the team implement on PE-XR1?

Drag and drop the functionalities from the left onto the target fields on the right.

Which statement describes the advantage of a Multi Layer control plane?

Refer to the exhibit:

What is significant about the number 2 in the configuration?