If you need strong protection for the encryption of user data, what option would be the BEST choice?
A. Use Diffie-Hellman for key construction and pre-shared keys for Quick Mode. Choose SHA in Quick Mode and encrypt with AES. Use AH protocol. Switch to Aggressive Mode.
B. When you need strong encryption, IPsec is not the best choice. SSL VPN’s are a better choice.
C. Use certificates for Phase 1, SHA for all hashes, AES for all encryption and PFS, and use ESP protocol.
D. Disable Diffie-Hellman by using stronger certificate based key-derivation. Use AES-256 bit on all encrypted channels and add PFS to QuickMode. Use double encryption by implementing AH and ESP as protocols.
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