Questions and correct Answers (Verified Answers) with
Rationales 2025
1. What is the primary goal of information security?
A. Ensure system performance
B. Protect confidentiality, integrity, and availability
C. Reduce hardware costs
D. Promote system upgrades
The CIA triad—Confidentiality, Integrity, and Availability—is the foundational goal
of information security.
2. Which of the following best describes confidentiality?
A. Information is always accurate
B. Information is accessible only to authorized users
C. Information is protected from hardware failure
D. Information can be modified by any user
Confidentiality ensures that sensitive information is accessed only by those with
the proper authorization.
3. What does integrity in information security refer to?
A. Ensuring that data is accurate and unaltered
B. Allowing data to be accessed quickly
C. Preventing denial-of-service attacks
, D. Encrypting all data
Integrity ensures that information remains accurate and trustworthy.
4. Which principle ensures authorized users have access to information when
needed?
A. Confidentiality
B. Integrity
C. Availability
D. Non-repudiation
Availability ensures systems and data are accessible when required.
5. Which of the following is NOT a component of the CIA triad?
A. Confidentiality
B. Non-repudiation
C. Integrity
D. Availability
Non-repudiation is important in security but is not part of the original CIA triad.
6. A firewall is an example of what type of security control?
A. Administrative
B. Physical
C. Technical
D. Logical
Technical controls involve technology, such as firewalls, to enforce security.
7. Which of the following is an example of a physical control?
A. Antivirus software
B. Security policies