When network failover is enabled, which of the following is true?
A. The failover cable status is ignored. Failover is determined by the network status only.
B. Either a network failure or loss of voltage across the failover cable will cause a failover.
C. A network failure will not cause a failover as long as there is a voltage across the failover cable.
D. The presence or absence of voltage over the fail over cable takes precedence over network failover.