H12-891 Web TestEngine demo

Select all that apply.

• A

  The one-arm echo function refers to the detection of the connectivity of the forwarding link through the loopback operation of the BFD packet

• B

  BFD multi-hop detection means that BFD can detect arbitrary paths between two systems that may span many hops or overlap in some parts

• C

  BFD and OSPF linkage is to associate BFD and OSPF, and notify OSPF through BFD's rapid sensing of link failures, thereby speeding up OSPF's response to changes in network topology

• D

  BFD single-hop detection refers to the IP connectivity detection of two direct-connected systems