CompTIA ITF+ (FC0-U61) — Question 116

A replay attack would be the primary concern of:

Answer options

• A. availability.
• B. authentication.
• C. confidentiality.
• D. integrity.

Correct answer: B

Explanation

A replay attack primarily targets authentication, as it involves an attacker capturing and reusing valid authentication data to gain unauthorized access. Options A, C, and D are incorrect because they pertain to different security principles: availability focuses on system uptime, confidentiality deals with data privacy, and integrity relates to data accuracy and trustworthiness.