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Quick Answer
The answer is Confidentiality, Integrity, and Availability. These three core principles form the CIA triad, the foundational model for information security, because they collectively address every critical aspect of protecting data and systems. Confidentiality ensures data is accessible only to authorized users, typically enforced through encryption like AES-256 and access controls; Integrity guarantees data has not been tampered with, using mechanisms such as SHA-256 hashing or digital signatures; and Availability ensures systems and data are accessible when needed, supported by redundancy like RAID or DDoS mitigation. On the Security+ SY0-701 exam, this concept tests your understanding of the triad’s role as the baseline for security controls—common traps include confusing Integrity with non-repudiation or mistaking authentication for Confidentiality. A quick memory tip: think “CIA” as “Can’t Ignore Access”—Confidentiality controls who sees it, Integrity ensures it’s unchanged, and Availability keeps it ready.
SY0-701 General Security Concepts Practice Question
This SY0-701 practice question tests your understanding of general security concepts. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
Which three of the following are core principles of the CIA triad in information security? (Choose three.)
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
✓
Confidentiality
The CIA triad is the foundational model for information security, consisting of Confidentiality, Integrity, and Availability. Confidentiality ensures data is accessible only to authorized users, often enforced through encryption (e.g., AES-256) and access controls. Integrity guarantees data has not been tampered with, using mechanisms like hashing (SHA-256) or digital signatures. Availability ensures systems and data are accessible when needed, supported by redundancy (RAID, failover clusters) and DDoS mitigation.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Cisco often tests the distinction between the CIA triad and other security objectives like AAA (Authentication, Authorization, Accounting), leading candidates to mistakenly include Authentication or Authorization as core CIA principles.
Detailed technical explanation
How to think about this question
The CIA triad is formally defined in standards like NIST SP 800-12 and ISO/IEC 27001. Under the hood, Confidentiality relies on cryptographic algorithms (e.g., AES for data at rest, TLS for data in transit) and mandatory access controls (MAC). Integrity uses cryptographic hash functions (e.g., SHA-3) and message authentication codes (HMAC) to detect unauthorized changes. Availability is often measured by uptime percentages (e.g., 99.999% for five nines) and implemented via load balancers, backup power, and disaster recovery plans. A real-world scenario: a healthcare system must ensure patient records are confidential (encrypted), integral (hashed to prevent alteration), and available (redundant servers) to meet HIPAA compliance.
KKey Concepts to Remember
- Read the scenario before looking for a memorised answer.
- Find the constraint that changes the correct option.
- Eliminate answers that are true in general but not in this case.
TExam Day Tips
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A developer is choosing between AES-256 (symmetric) and RSA-2048 (asymmetric) for encrypting a large file that will be sent to a partner. Symmetric encryption is fast but requires key exchange; asymmetric is slower but solves the key distribution problem. A hybrid approach — encrypt the file with AES, encrypt the AES key with RSA — is standard. Questions like this test whether you understand when each approach applies.
What to study next
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FAQ
Questions learners often ask
What does this SY0-701 question test?
General Security Concepts — This question tests General Security Concepts — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Confidentiality — The CIA triad is the foundational model for information security, consisting of Confidentiality, Integrity, and Availability. Confidentiality ensures data is accessible only to authorized users, often enforced through encryption (e.g., AES-256) and access controls. Integrity guarantees data has not been tampered with, using mechanisms like hashing (SHA-256) or digital signatures. Availability ensures systems and data are accessible when needed, supported by redundancy (RAID, failover clusters) and DDoS mitigation.
What should I do if I get this SY0-701 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 11, 2026
This SY0-701 practice question is part of Courseiva's free CompTIA 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 SY0-701 exam.
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