Which output accomplishes this task?

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 dat
B . 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
C . {backup}
user@R1-re1> show system switchover
Graceful switchover: On
Configuration databas
D . Ready
kernel databas
E . Ready
Peer Stat
F . steady State
G . {backup}
user@R1-re1> show system snapshot
Information for snapshot on hard-disk
Creation dat
H . 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
. {master}
user@R1-re0> show system switchover
Graceful switchover: On
Configuration databas
. Ready
kernel databas
. Ready
Peer Stat
. steady State

View Answer

Answer: B