You have a mesh VPN Community configured to create a site-to-site VPN. Given the displayed VPN properties, what can you conclude about this community? Exhibit:
A. The VPN Community will perform IKE Phase 1 key-exchange encryption using the longest key Security Gateway R77 supports.
B. Changing the setting Perform key exchange encryption with from AES-256 to 3DES will enhance the VPN Community’s security , and reduce encryption overhead.
C. Change the data-integrity setting for this VPN Community because MD5 is incompatible with AES.
D. Changing the setting Perform IPsec data encryption with from AES-128 to 3Des will increase the encryption overhead.