You have deployed two FortiGate devices as an HA pair. One FortiGate will process traffic while the other
FortiGate is a standby. The standby monitors the primary for failure and only takes the role of processing traffic if it detects that the primary FortiGate has failed.
Which style of FortiGate HA does this scenario describe?

A.
active-passive HA

B.
active-active HA

C.
partial mesh HA

D.
full mesh HA