Which statements about active and standby switchover on the A12500 switches are true? (Select two.)

A.
The standby main board (SMB) does not run routing protocols, process orforward packets, or
calculate routes.

B.
You can force a switchover by entering certain commands at the commandline interface (CLI).

C.
Once the SMB becomes the active main board (AMB), you must manuallyreboot the original
AMB to enable it to begin functioning as the SMB.

D.
You can use active and standby switchover in an upgrade even when thedifferences between
the current version of the switch software and the newversion are significant.

E.
Automatic synchronization of the AMB with the SMB is the default setting.

Explanation: