CompTIA Security Plus Mock Test Q452

Digital certificates can be used to ensure which of the following? (Select TWO).

A. Availability
B. Confidentiality
C. Verification
D. Authorization
E. Non-repudiation

Correct Answer: B,E
Section: Compliance and Operational Security

Explanation:
Digital Signatures is used to validate the integrity of the message and the sender. Digital certificates refer to cryptography which is mainly concerned with Confidentiality, Integrity, Authentication, Nonrepudiation and Access Control. Nonrepudiation prevents one party from denying actions they carried out.

Incorrect Answers:
A: Availability is concerned with making data and systems available to authorized users.
C: Verification is the act of ensuring integrity. And PKI uses verification to check the validity of a certificate.
D: Authorization is concerned with which users have access.

References:
Dulaney, Emmett and Chuck Eastton, CompTIA Security+ Study Guide, 6th Edition, Sybex, Indianapolis, 2014, pp. 291, 414