Consider the following statements with respect to network security :

(a) Message confidentiality means that the sender and the receiver expect privacy.

(b) Message integrity means that the data must arrive at the receiver exactly as they were sent.

(c) Message authentication means the receiver is ensured that the message is coming from the intended sender. Which of the statements is (are) correct?

1. AOnly (a) and (b)
2. BOnly (a) and (c)
3. COnly (b) and (c)
4. D(a), (b) and (c)

Pick an option to check yourself, or open the answer below.

Show answer & explanation

Correct answer: D. (a), (b) and (c)

Explanation

All three are correct definitions of confidentiality, integrity and authentication.