Certified Cloud Security Professional (CCSP) — Question 62

Which protocol operates at the network layer and provides for full point-to-point encryption of all communications and transmissions?

Answer options

• A. IPSec
• B. VPN
• C. SSL
• D. TLS

Correct answer: A

Explanation

IPSec is specifically designed to operate at the network layer, providing comprehensive encryption for data in transit, making it the correct choice. VPN is a broader term that refers to a technology using various protocols, whereas SSL and TLS are primarily application layer protocols focused on securing web traffic, not operating at the network layer.