In the NetBackup Administration Console or Java console, how should an administrator change a disk pool to down status?

A.
Device Monitor > Disk Pools > right-click and select Down Disk Pool

B.
Devices > Disk Pools > right-click and select Down Disk Pool

C.
Credentials > Storage Servers > right-click and select Down Disk Pool

D.
Media and Device Management > Devices > Disk Pools > right-click and select Down Disk Pool