Refer to the exhibit. If the show failover command has returned this output, what is the problem with the failover configuration?
A.
The LAN-based failover interface has been shut down on the security appliance.
B.
The failover cable is not connected to the secondary failover security appliance.
C.
The poll frequency is set too high to detect the secondary failover security appliance.
D.
There is no problem; the timer that detects the secondary failover security appliance has not expired.