Comprehensive and Detailed Explanation (paraphrased, aligned to N10-009):
HTTPS is HTTP encapsulated in TLS (the successor to SSL), which provides confidentiality, integrity, and server authentication for web traffic.
* A. SSH secures remote shell and tunnels, not HTTPS.
* C. SCADA refers to industrial control systems, not a transport security protocol.
* D. RADIUS is an AAA protocol for authentication/authorization/accounting, not the web encryption layer.
References (CompTIA Network+ N10-009):
* Domain: Network Standards, Protocols, and Implementations - Web protocols (HTTP/HTTPS), TLS handshake and purpose, encryption in transit.