When a network engineer processes a single-hop BFD session that is Down, which of the following operations does he or she not need to perform?

When a network engineer processes a single-hop BFD session that is Down, which of the following operations does he or she not need to perform?
A . Repeat the display bfd statistics session all command to view the statistics of the BFD session sent and received packets.
B . If a static route is bound to a BFD session, run the display ip routing-table command to check whether the static route exists in the routing table.
C . Ping the link between the BFD sessions to check whether forwarding is normal
D . Run the display current-configuration configuration bfd command to check whether the local discriminator and remote discriminator at both ends of the BFD session match.

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Answer: D