Question

What is meant by authentication? a. Ensuring confidentiality of data. b. Verifying the identity of the sender. c. Digitally signing of a document. d. None of these.

Answer 1

Answer:

B) Verifiying the identity of the sender

Reason:

In the context of computer systems, authentication is a process that ensures and confirms a user's identity. Authentication is one of the five pillars of information assurance (IA). The other four are integrity, availability, confidentiality and nonrepudiation.

Answer 2

Answer:

B) Verifying the identity of the sender

Explanation:

In the context of computer systems, authentication is a process that ensures and confirms a user's identity. Authentication is one of the five pillars of information assurance (IA). The other four are integrity, availability, confidentiality and non-repudiation.