An engineer is troubleshooting an IPsec site-to-site tunnel and verifies that the tunnel status is MM_WAIT_MSG6. What can be determined from this message?
A. The PSK has not been confirmed by the responder.
B. The encryption policy has not been confirmed by the initiator.
C. The encryption policy has not been confirmed by the responder.
D. The PSK has not been confirmed by the initiator.
