Refer to the exhibit.
A network administrator is troubleshooting an IPsec tunnel between two FortiGate devices. The administrator has determined that phase 1 status is up. but phase 2 fails to come up.
Based on the phase 2 configuration shown in the exhibit, what configuration change will bring phase 2 up?
A . On HQ-FortiGate,enable Auto-negotiate.
B . On Remote-FortiGate, set Seconds to 43200.
C . On HQ-FortiGate,enable Diffie-Hellman Group 2.
D . On HQ-FortiGate, set Encryption to AES256.
Answer: D