問題文
A router with two Routing Engines is upgraded through the operations interface, and a developer fills in the field of the transfer message that names the standby supervisor so that the second Routing Engine is covered as well. What does the documentation record about that field?
選択肢
- It is unsupported on Junos devices, while the field that reports the control processor of a switchover and the one that verifies the standby are honored.
- It is unsupported on Junos devices, as are the field that reports the control processor in the reply to a switchover of the router and the one that verifies the standby supervisor.
- It is supported on Junos devices, and it is what makes the operation cover the second Routing Engine as well as the primary one.
- It is supported on Junos devices once the second Routing Engine has taken the primary role, so the operation is issued twice with the roles swapped.