What does it mean if Deyra sees the gateway status? (Choose the BEST answer.)

What does it mean if Deyra sees the gateway status? (Choose the BEST answer.)
A . SmartCenter Server cannot reach this Security Gateway.
B . There is a blade reporting a problem.
C . VPN software blade is reporting a malfunction.
D . Security Gateway’s MGNT NIC card is disconnected.

Answer: B