What does Secure Sockets Layer (SSL)/Transaction Security Layer (TSL)
do?

A.
Implements confidentiality, authentication, and integrity below the
Transport Layer

B.
Implements only confidentiality below the Transport Layer

C.
Implements confidentiality, authentication, and integrity above the
TransportLayer

D.
Implements only confidentiality above the Transport Layer

Explanation:
The correct answer is a by definition.
Answer “Implements confidentiality, authentication, and integrity below the
Transport Layer” is incorrect because SSL/TLS operates above the Transport Layer.
Answer “Implements only confidentiality above the Transport Layer” is incorrect because
authentication and integrity are provided also.
Answer “Implements only confidentiality below the Transport Layer” is incorrect because it cites

only confidentiality and SSL/TLS operates above the Transport Layer.