Which statement regarding the firewall policy authentication timeout is true?

Which statement regarding the firewall policy authentication timeout is true?
A . It is an idle timeout. The FortiGate considers a user to be “idle” if it does not see any packets coming from the user’s source I
C . It is a hard timeout. The FortiGate removes the temporary policy for a user’s source IP address after this timer has expired.
D . It is an idle timeout. The FortiGate considers a user to be “idle” if it does not see any packets coming from the user’s source MA
F . It is a hard timeout. The FortiGate removes the temporary policy for a user’s source MAC address after this timer has expired.

Answer: A