ISC2 CC Security Principles Practice Question
Which of the following is an example of a physical control that supports the availability principle of the CIA triad?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Redundant servers
Availability ensures systems are accessible when needed. Redundant servers provide failover capability, minimizing downtime.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Data encryption
Why it's wrong here
Supports confidentiality, not availability.
- ✗
Biometric authentication
Why it's wrong here
Supports authentication, not directly availability.
- ✗
Digital signatures
Why it's wrong here
Supports integrity, not availability.
- ✓
Redundant servers
Why this is correct
Correct. Redundancy ensures availability if one server fails.
Go deeper
Related to this question
Learn chapter
Access Control Fundamentals
Key term
Physical control
Physical controls are tangible security measures like locks, fences, and biometric scanners used to protect buildings, hardware, and sensitive data from unauthorized physical access or harm.
Key term
Confidentiality Integrity and Availability
The CIA Triad is a foundational security model that ensures data is kept secret, unaltered, and accessible when needed.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This CC practice question is part of Courseiva's free ISC2 certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the CC exam.