CompTIA Security Plus Mock Test Q1020

Digital Signatures provide which of the following?

A. Confidentiality
B. Authorization
C. Integrity
D. Authentication
E. Availability

Correct Answer: C
Section: Cryptography

A digital signature is similar in function to a standard signature on a document. It validates the integrity of the message and the sender.

Incorrect Answers:
A: A cryptographic system would be needed to provide Confidentiality.
B: Digital signatures are not used for authorization.
D: Digital signature is one methods of verifying authenticity but there are other methods as well.
E: Digital signatures are not helpful in providing availability.

Dulaney, Emmett and Chuck Eastton, CompTIA Security+ Study Guide, 6th Edition, Sybex, Indianapolis, 2014, p. 414