Which of the following security concepts is Sara using?

Sara, a security administrator, manually hashes all network device configuration files daily and compares them to the previous days’ hashes. Which of the following
security concepts is Sara using?

A.
Confidentiality

B.
Compliance

C.
Integrity

D.
Availability

Explanation:
Integrity means the message can’t be altered without detection.
Incorrect Answers:
A: Confidentiality means that the message/data retains its privacy.
B: Compliance refers to the degree which documents represent the standards that are agreed upon.
D: Availability refers to the measures that are used to keep services and systems operational

Dulaney, Emmett and Chuck Eastton, CompTIA Security+ Study Guide, Sixth Edition, Sybex, Indianapolis, 2014, p 291