The correct answer is that the IP address condition restricts access to a specific range, so users from 10.0.1.5 are blocked. This happens because the S3 bucket policy uses the `aws:SourceIp` condition key with a CIDR notation of `10.0.0.0/24`, which only permits requests originating from IP addresses between 10.0.0.0 and 10.0.0.255. Since 10.0.1.5 falls outside that range, the policy explicitly denies access, even though the bucket and action are correctly configured. On the AWS Certified Developer Associate DVA-C02 exam, this scenario tests your understanding of how S3 bucket policy IP address conditions work—specifically, that conditions are evaluated before the allow effect, and a mismatch results in an implicit deny. A common trap is assuming any IP in the same class B network is allowed, but CIDR notation is precise. Memory tip: think of the /24 as a “net mask” that locks down the last octet—if the IP doesn’t match the first three octets exactly, access is blocked.
DVA-C02 Troubleshooting and Optimization Practice Question
This DVA-C02 practice question tests your understanding of troubleshooting and optimization. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. 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.
Refer to the exhibit. A developer attached this S3 bucket policy to my-bucket. Users from IP 10.0.0.5 can access objects, but users from IP 10.0.1.5 cannot. What is the most likely reason?
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 the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The IP address condition restricts access to a specific range.
Option D is correct because the policy only allows access from the IP range 10.0.0.0/24. Users from 10.0.1.5 are outside this range. Option A is wrong because the resource is correct. Option B is wrong because the action is correct. Option C is wrong because the bucket policy allows access.
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.
✗
The bucket policy does not apply to users.
Why it's wrong here
Bucket policies apply to all principals.
✗
The action should be s3:GetObjectVersion.
Why it's wrong here
s3:GetObject is sufficient for current objects.
✗
The resource ARN is incorrect.
Why it's wrong here
Resource ARN is correct for objects.
✓
The IP address condition restricts access to a specific range.
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 media company stores terabytes of video archives that are accessed once a year for audit purposes. Moving these objects to a cold storage tier (Azure Archive, S3 Glacier, or Google Nearline) costs a fraction of hot storage. Questions like this test whether you understand storage tiers, access frequency tradeoffs, and retrieval latency requirements.
What to study next
Got this wrong? Here's your next step.
Identify which DVA-C02 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.
Troubleshooting and Optimization — This question tests Troubleshooting and Optimization — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: The IP address condition restricts access to a specific range. — Option D is correct because the policy only allows access from the IP range 10.0.0.0/24. Users from 10.0.1.5 are outside this range. Option A is wrong because the resource is correct. Option B is wrong because the action is correct. Option C is wrong because the bucket policy allows access.
What should I do if I get this DVA-C02 question wrong?
Identify which DVA-C02 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.
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Question Discussion
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