Which IPsec security function provides assurance that the data received via a VPN has not been modified in transit?

Question:
Which IPsec security function provides assurance that the data received via a VPN has not been modified in transit?

• integrity
• authentication
• confidentiality
• secure key exchange

Explanation: Integrity is a function of IPsec and ensures data arrives unchanged at the destination through the use of a hash algorithm. Confidentiality is a function of IPsec and utilizes encryption to protect data transfers with a key. Authentication is a function of IPsec and provides specific access to users and devices with valid authentication factors. Secure key exchange is a function of IPsec and allows two peers to maintain their private key confidentiality while sharing their public key.

Exam with this question: CCNA 3 v7 Modules 6 – 8 Exam Answers
Exam with this question: Module 18: Quiz – VPNs Network Security