You have a router with dual Routing Engines. You want to ensure that your users experience
minimum downtime. You have decided to enable graceful Routing Engine switchover on the
router.

Which output accomplishes this task?

A.
{master}
user@R1-re0> show system snapshot
Information for snapshot on hard-disk
Creation datE.Nov 1 1 :5 :0 2012
JUNOS version on snapshot:
jbase : 11.4R2
jcrypto: 11.4R2
jdocs : 11.4R2
jkernel: 11.4R2
jpfe : M40-11.4R2
jroute : 11.4R2

B.
{backup}
user@R1-re1> show system switchover
Graceful switchover: On
Configuration databasE.Ready
kernel databasE.Ready
Peer StatE.steady State

C.
{backup}
user@R1-re1> show system snapshot
Information for snapshot on hard-disk
Creation datE.Nov 1 1 :5 :0 2012
JUNOS version on snapshot:
jbase : 11.4R2
jcrypto: 11.4R2
jdocs : 11.4R2
jkernel: 11.4R2
jpfe : M40-11.4R2
jroute : 11.4R2

D.
{master}
user@R1-re0> show system switchover
Graceful switchover: On
Configuration databasE.Ready
kernel databasE.Ready
Peer StatE.steady State

Explanation: