1. The term TLS expands to ________________.

A. Transport Level Security

B. Transport Layer Security

C. Transport Layer Setting

D. None of the above

2. The cipher in which each letter is replaced by another letter is called _________.

A. Transposition

B. Substitution

C. Hash convert

D. None of the above

3. The Diffie-Hellman algorithm is used for ____________.

A. Key deletion

B. Key generation

C. Key exchange

D. None of the above

4. The term S/MIME refers to ____________.

A. Secure/Multipurpose Internet Mail Extensions

B. Secure/Multipurpose Internet Media Extensions

C. Secure/Multipurpose Internet Multimedia Extensions

D. None of the above

5. The port used by HTTPS protocol is ____________.

A. 443

B. 80

C. 21

D. None of the above

Answers: 1 (B), 2 (B), 3 (C), 4 (A), 5 (A)

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