Point-to-Point Generic Routing Encapsulation over IP Security

CCNA 3 v7.0 Curriculum: Module 8 - VPN and IPsec Concepts

C. ESP. Encapsulating Security Payload provides confidentiality by encrypting the entire IP payload. It is specifically designed to protect data contents in IPsec VPNs, ensuring that the transmitted data stream cannot be read by unauthorized parties. ESP can also provide integrity and authentication, but its defining feature is encryption for confidentiality. Why The Other Options Are Incorrect A. GRE GRE provides tunneling and encapsulation only. It does not provide encryption or confidentialit