Which IPsec security function provides assurance that the data received via a VPN has not been modified in transit?
- confidentiality
- integrity
- authentication
- secure key exchange
Answers Explanation & Hints: 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.