Which of the following statements isTRUE?

Jacob is using a mesh VPN Community to create a sitetosite VPN. The VPN properties in this mesh Community display in this graphic

Exbibit:

Which of the following statements isTRUE?

A.
If Jacob changes the setting,"Perform key exchange encryption with" from "3DES" to "DES", he will enhance the VPN Community’s security and reduce encryption overhead

B.
Jacob’s VPN Community will perform IKE Phase 1 keyexchanqe encryption, usinq the lonqest key VPN1 NGX supports

C.
Jacob must change the dataintegrity settings for this VPN Community. MD5 is incompatible with AES

D.
If Jacob changes the setting "Perform IPsec data encryption With" from "AES128" to "3DES", he will increase the encryption overhead