Which protocol offers data integrity, encryption, authentication, and antireplay functions for IPsec VPN?

Which protocol offers data integrity, encryption, authentication, and antireplay functions for IPsec VPN?
A . AH protocol
B . ESP protocol
C . IKEv2 protocol
D . IKEv1 protocol

View Answer

Answer: B

Explanation:

IP Security Protocol―Encapsulating Security Payload (ESP)

Encapsulating Security Payload (ESP) is a security protocol used to provide confidentiality (encryption), data origin authentication, integrity, optional antireplay service, and limited traffic flow confidentiality by defeating traffic flow analysis.

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