Which two statements regarding the output in the exhibit are true?

Refer to the exhibit, which contains the output of a diagnose command.

Which two statements regarding the output in the exhibit are true? (Choose two.)
A . FortiGate will probe 121.111.236.179every fifteen minutes for a response.
B . Servers with a negative TZ value are experiencing a service outage.
C . Servers with the D flag are considered to be down.
D . FortiGate used 209.222.147.36as the initial server to validate its contract.

Answer: AD