H12-224 Web TestEngine demo

Select all that apply.

• A

  The local system periodically sends BFD control packets, and the remote system detects the BFD control packets sent from the local system.

• B

  The local system detects the BFD control packets sent by itself.

• C

  If one system does not receive any BFD packets from its peer within a detection period, it advertises a session Down event.

• D

  Each system confirms its connections with other systems in a particular method. After a BFD session is set up, BFD control packets are no longer sent.