A company has a clustered environment consisting of two servers (primary and standby), an
external joint storage array, a tape library to back up all data, and a UPS (Uninterruptible Power
Supply) unit. In which order should these devices be powered on for POST, so all systems will
recognize the devices?

A.
UPS (Uninterruptible Power Supply)
tape library
storage array
primary server
standby server

B.
storage array
tape library
standby server
primary server
UPS (Uninterruptible Power Supply)

C.
primary server
standby server
storage array
tape library
UPS (Uninterruptible Power Supply)

D.
UPS (Uninterruptible Power Supply)
storage array
primary server
standby server
tape library