Dr Bill wants to reduce encryption overhead for his meshed VPN Community, without
compromising security. Which of the following helps Dr Billaccomplish his goal?
A.
Check the box Support Site to Site IP compression.
B.
Check the box User aggressive mode.
C.
Change the setting Use Diffie-Hellman group: to “Group 5 (1536 bit)”.
D.
Check the box Use Perfect Forward Secrecy.
E.
Reduce the setting Renegotiate IKE security associations every to “720”.