CompTIA Network+ (N10-009) — Question 382

A network engineer adds a tunnel for a new branch network. Which of the following ensures that all data is encrypted inside the tunnel?

Answer options

• A. ESP
• B. SSH
• C. GRE
• D. IKE

Correct answer: A

Explanation

ESP (Encapsulating Security Payload) provides encryption and ensures the confidentiality and integrity of the data within the tunnel. SSH (Secure Shell) is used for secure remote access, GRE (Generic Routing Encapsulation) does not encrypt data, and IKE (Internet Key Exchange) is a protocol used for setting up security associations but does not itself encrypt data.