Which LDP feature must the engineer apply to the existing configuration to eliminate the problem?

Refer to the exhibit.

A network administrator implemented MPLS LDP changes on PE-A LSR device. The engineer must ensure there are no LDP peer are fully operational.

Which LDP feature must the engineer apply to the existing configuration to eliminate the problem?
A . Configure MPLS LDP IGP synchronization on the network.
B. Configure MPLS LDP NSR for all LDP sessions.
C. Enable LDP session protection under the routing protocol.
D. Disable IP CEF on routers running LDP and enable LDP.

View Answer

Answer: B

Explanation:

https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/msp/configuration/xe-3s/mp-ha-xe-3s-book/mp-nsr-ldp-supp.pdf