Which statement describes the problem?

user@router> restart
^
unknown command.

You are investigating routing problems on a device running the Junos OS. You receive the error
shown in the exhibit when you attempt to restart the routing process.
Which statement describes the problem?

A.
You have typed an invalid command.

B.
You must be in configuration mode to restart the routing process.

C.
You do not have permission to restart the routing process.

D.
You must wait until close of business to restart the routing process, based on user-defined
policy.