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.