Which term describes the second core IPSec security protocol; it can perform authentication to provide integrity protection, although not for the outermost IP header? Point-to-Point Protocol (PPP) Layer 2 Forwarding (L2F) Protocol Point-to-Point Tunneling Protocol (PPTP) Encapsulating Security Payload (ESP)

Encapsulating Security Payload (ESP)

Explanation:

Encapsulating Security Payload is also known as ESP, it is a protocol that exists within IPSec, it helps in determining the authentication, integrity and how confidential network pack data / Payload in IPV4 and IPV6 networks are.

ESP supplies messages /Payload encipher, it also helps in authenticating Payload as well as where it originated from in the IPSec protocol suite.

I'm sorry this is not really a learning question issue

Explanation:

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