- A
Enable default encryption for S3 buckets
Why wrong: Encryption does not block public access.
- B
Enable S3 bucket logging
Why wrong: Logging does not prevent public access.
- C
Enable versioning on S3 buckets
Why wrong: Versioning helps with data recovery, not access control.
- D
Ensure S3 buckets do not allow public read access
This directly addresses the misconfiguration.
Question 385 of 1,000
CS0-003 Vulnerability Management Practice Question
This CS0-003 practice question tests your understanding of vulnerability management. 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 cloud security analyst is reviewing a misconfiguration in an AWS S3 bucket that allows public read access. The bucket contains sensitive customer data. Which of the following CIS AWS Foundations Benchmark checks would most likely identify this issue?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue:
"most likely"Why it matters: Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
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
✓
Ensure S3 buckets do not allow public read access
CIS AWS Foundations Benchmark includes a control for ensuring S3 buckets do not allow public read access. The control is typically '1.5 Ensure S3 bucket policy restricts public read access'. 'Enable S3 bucket logging' is about logging, not access. 'Enable default encryption' is about encryption. 'Enable versioning' is about data protection.
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.
- ✗
Enable default encryption for S3 buckets
Why it's wrong here
Encryption does not block public access.
- ✗
Enable S3 bucket logging
Why it's wrong here
Logging does not prevent public access.
- ✗
Enable versioning on S3 buckets
Why it's wrong here
Versioning helps with data recovery, not access control.
- ✓
Ensure S3 buckets do not allow public read access
Why this is correct
This directly addresses the misconfiguration.
Clue confirmation
The clue word "most likely" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Detailed technical explanation
How to think about this question
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
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.
- Use explanations to understand the rule behind the answer.
TExam Day Tips
- Underline the problem statement mentally.
- 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.
Quick reference
AWS S3 Storage Class Comparison
| Storage Class | Min Duration | Retrieval | Use Case |
|---|---|---|---|
| S3 Standard | None | Immediate | Frequently accessed data |
| S3 Standard-IA | 30 days | Immediate | Infrequent access, rapid retrieval |
| S3 One Zone-IA | 30 days | Immediate | Non-critical infrequent data |
| S3 Intelligent-Tiering | None | Immediate–hours | Unknown or changing access patterns |
| S3 Glacier Instant | 90 days | Milliseconds | Archive with instant retrieval |
| S3 Glacier Flexible | 90 days | Minutes–hours | Archive, flexible retrieval |
| S3 Glacier Deep Archive | 180 days | Hours | Long-term compliance archive |
What to study next
Got this wrong? Here's your next step.
Identify which CS0-003 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
- →
Vulnerability Management — study guide chapter
Learn the concepts, then practise the questions
- →
Vulnerability Management practice questions
Targeted practice on this topic area only
- →
All CS0-003 questions
1,000 questions across all exam domains
- →
CompTIA CySA+ CS0-003 study guide
Full concept coverage aligned to exam objectives
- →
CS0-003 practice test guide
How to use practice tests most effectively before exam day
Related practice questions
Related CS0-003 practice-question pages
Use these pages to review the topic behind this question. This is how one missed question becomes focused revision.
Security Operations practice questions
Practise CS0-003 questions linked to Security Operations.
Vulnerability Management practice questions
Practise CS0-003 questions linked to Vulnerability Management.
Incident Response and Management practice questions
Practise CS0-003 questions linked to Incident Response and Management.
Reporting and Communication practice questions
Practise CS0-003 questions linked to Reporting and Communication.
CompTIA A+ hardware practice questions
Practise CS0-003 questions linked to CompTIA A+ hardware.
CompTIA A+ mobile devices practice questions
Practise CS0-003 questions linked to CompTIA A+ mobile devices.
CompTIA A+ networking practice questions
Practise CS0-003 questions linked to CompTIA A+ networking.
CompTIA A+ operating systems practice questions
Practise CS0-003 questions linked to CompTIA A+ operating systems.
CompTIA A+ security practice questions
Practise CS0-003 questions linked to CompTIA A+ security.
CompTIA A+ software troubleshooting questions
Practise CS0-003 questions linked to CompTIA A+ software troubleshooting questions.
CompTIA A+ operational procedures questions
Practise CS0-003 questions linked to CompTIA A+ operational procedures questions.
Practice this exam
Start a free CS0-003 practice session
Short sessions build daily habit. Longer sessions build exam-day stamina. Try a timed session to simulate real conditions.
FAQ
Questions learners often ask
What does this CS0-003 question test?
Vulnerability Management — This question tests Vulnerability Management — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Ensure S3 buckets do not allow public read access — CIS AWS Foundations Benchmark includes a control for ensuring S3 buckets do not allow public read access. The control is typically '1.5 Ensure S3 bucket policy restricts public read access'. 'Enable S3 bucket logging' is about logging, not access. 'Enable default encryption' is about encryption. 'Enable versioning' is about data protection.
What should I do if I get this CS0-003 question wrong?
Identify which CS0-003 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
Are there clue words in this question I should notice?
Yes — watch for: "most likely". Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
About these practice questions
Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →
Last reviewed: Jul 4, 2026
This CS0-003 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 CS0-003 exam.
Question Discussion
Share a tip, memory trick, or ask about the reasoning behind this question. Do not post real exam questions, leaked content, braindumps, or copyrighted exam material. Comments are moderated and may be removed without notice.
Sign in to join the discussion.