Which three options are reasons to deploy BFD? (Choose three.)
A. BFDis afast helloprotocol that exhibits lower overhead than aggressive hellos.
B. BFDis afast helloprotocol that provides reaction time under a second.
C. BFDis afast helloprotocol that provides reaction time over a second.
D. BFDprovides fast converges to Layer 2 bundling protocol LAGs.
E. HSRP protocol supports BFD.
F. BFD uses a reliable transport for Hello packets, which increases the fast converge if an ACK is not received.
