- A
Defense in depth
Defense in depth uses multiple independent controls so that if one layer fails, others still reduce the chance of compromise or limit the damage. The mix of endpoint, network, identity, email, and recovery controls in the scenario is a textbook layered approach. It is especially useful because attackers rarely defeat every safeguard at once.
- B
Least privilege
Why wrong: Least privilege limits permissions, but the scenario is specifically about multiple layers of protection working together across the environment.
- C
Need-to-know
Why wrong: Need-to-know restricts access to information based on necessity, which is not the main idea described by the layered control set.
- D
Zero trust
Why wrong: Zero trust can be part of a layered design, but the question is asking about the overall strategy of using multiple controls, not continuous verification alone.
Quick Answer
The answer is defense in depth, a layered security strategy that deploys multiple overlapping safeguards such as endpoint protection, network segmentation, multifactor authentication, email filtering, and immutable backups so that one failed safeguard does not expose the entire organization. This approach works by creating independent, redundant controls across different layers—physical, technical, and administrative—ensuring that if any single control is bypassed or compromised, others remain in place to block or mitigate the threat. On the Security+ SY0-701 exam, this concept tests your understanding of how to eliminate single points of failure through a holistic, layered defense, often appearing in scenario-based questions where you must identify the strategy behind a set of diverse controls. A common trap is confusing defense in depth with simple redundancy or a single strong control; remember that the key is diversity and independence across layers, not just duplication. Memory tip: think of an onion—each layer of protection must be peeled away before the core is reached, and no single slice exposes the whole.
SY0-701 General Security Concepts Practice Question
This SY0-701 practice question tests your understanding of general security concepts. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. 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.
A security architect proposes adding endpoint protection, network segmentation, multifactor authentication, email filtering, and immutable backups so that one failed safeguard does not expose the entire organization. What security strategy is being described?
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
Defense in depth
Defense in depth is a layered security strategy where multiple, independent controls (endpoint protection, network segmentation, MFA, email filtering, immutable backups) are deployed so that if one safeguard fails, others continue to protect the organization. This approach ensures no single point of failure can compromise the entire environment, aligning directly with the scenario described.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Defense in depth
Why this is correct
Defense in depth uses multiple independent controls so that if one layer fails, others still reduce the chance of compromise or limit the damage. The mix of endpoint, network, identity, email, and recovery controls in the scenario is a textbook layered approach. It is especially useful because attackers rarely defeat every safeguard at once.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Least privilege
Why it's wrong here
Least privilege limits permissions, but the scenario is specifically about multiple layers of protection working together across the environment.
- ✗
Need-to-know
Why it's wrong here
Need-to-know restricts access to information based on necessity, which is not the main idea described by the layered control set.
- ✗
Zero trust
Why it's wrong here
Zero trust can be part of a layered design, but the question is asking about the overall strategy of using multiple controls, not continuous verification alone.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates confuse 'defense in depth' with 'least privilege' because both involve multiple controls, but defense in depth specifically requires overlapping, independent layers rather than just restricting permissions.
Trap categories for this question
Scenario analysis trap
Least privilege limits permissions, but the scenario is specifically about multiple layers of protection working together across the environment.
Detailed technical explanation
How to think about this question
Defense in depth relies on the principle of 'security in layers,' often implemented with a combination of preventive (e.g., firewalls, EDR), detective (e.g., SIEM alerts), and corrective (e.g., immutable backups) controls. In practice, network segmentation uses VLANs or ACLs to isolate traffic, while immutable backups (e.g., using S3 Object Lock or write-once-read-many storage) ensure ransomware cannot modify recovery copies. This strategy is formalized in frameworks like NIST SP 800-53 and ISO 27001, which mandate multiple control families to reduce risk of complete compromise.
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 security analyst at a medium-sized enterprise encounters this scenario during an investigation or architecture review. The correct answer reflects best practice for the specific threat or control described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Security exam questions test whether you can match controls to threats in context — not just recall definitions.
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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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: Defense in depth — Defense in depth is a layered security strategy where multiple, independent controls (endpoint protection, network segmentation, MFA, email filtering, immutable backups) are deployed so that if one safeguard fails, others continue to protect the organization. This approach ensures no single point of failure can compromise the entire environment, aligning directly with the scenario described.
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.
About these practice questions
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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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