Refer to the exhibit. If the show failover command has returned this output, what is the problem
with the failover configuration?

A.
The poll frequency is set too high to detect the secondary failover security appliance.

B.
There is no problem; the timer that detects the secondary failover security appliance has not
expired.

C.
The failover cable is not connected to the secondary failover security appliance.

D.
The LAN-based failover interface has been shut down on the security appliance.