問題文
An in-service software upgrade has already reached the point where the chassis process sends its message to the FPC that houses the Packet Forwarding Engine, and that card comes back up on the new image and restores its own state; the operator wants the name of that part of the run. Elsewhere a neighbor cannot speak BFD at all, so packets are sent out and looped straight back by that neighbor to prove the path is there. Which pair of names holds?
選択肢
- The FPC there passes through the upgrade step, and the failure detection then works in this echo mode
- The FPC there passes through the upgrade step, and the failure detection then works in this inline mode
- The FPC there passes through the reboot step, and the failure detection then works in this echo mode
- The FPC there passes through the reboot step, and the failure detection then works in this inline mode