What is a disadvantage of using aggressive mode instead of main mode for ISAKMP/IPsec establishment?
A. It does not use Diffie-Hellman for secret exchange.
B. It does not support dead peer detection.
C. It does not support NAT traversal.
D. It does not hide the identity of the peer.
Aggressive Mode does not ENSURE the identity of the peer
https://www.watchguard.com/help/docs/help-center/en-US/Content/en-US/Fireware/mvpn/general/ipsec_vpn_negotiations_c.html