Which statement is true regarding fail-over?

A.
Hardware fail-over is disabled by default.

B.
Hardware fail-over can be used in conjunction with network failover.

C.
If the hardware fail-over cable is disconnected, both BIG-IP devices will always assume the active role.

D.
By default, hardware fail-over detects voltage across the fail-over cable and monitors traffic across the
internal VLAN.