The answer is that the request is allowed because the condition matches the IP address. This outcome hinges on how S3 IP-based access control with IAM policy allowed works: the policy grants s3:GetObject only when the source IP falls within the 10.0.0.0/8 range, and since 10.1.2.3 is within that CIDR block, the condition is satisfied, permitting the download. On the AWS Certified DevOps Engineer Professional DOP-C02 exam, this scenario tests your understanding of IAM policy evaluation logic, specifically that an explicit Allow with a matching condition overrides any implicit Deny, and that without a Deny statement, the request proceeds. A common trap is assuming that a non-matching condition automatically denies access, but in IAM, a condition that is not met simply means the Allow does not apply—it does not create a Deny. Remember the mnemonic: “Allow with a match is a green light; no match just means no ride.”
DOP-C02 Security and Compliance Practice Question
This DOP-C02 practice question tests your understanding of security and compliance. 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. An IAM policy is attached to an IAM user. The user tries to download an object from the S3 bucket 'example-bucket' from an IP address of 10.1.2.3. What will happen?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The request is allowed because the condition matches the IP address.
Option B is correct because the policy allows s3:GetObject only if the condition matches. The IP 10.1.2.3 falls within 10.0.0.0/8, so the condition is satisfied. Option A is wrong because the condition is met. Option C is wrong because the policy does not specify a Deny. Option D is wrong because the bucket policy is not shown.
Key principle: ACLs process entries top to bottom and stop at the first match. Entry order and interface direction matter as much as the permit or deny statement.
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 request is denied because the policy does not include a Deny statement.
Why it's wrong here
An Allow statement with a condition can grant access.
✗
The request is denied because the policy does not explicitly allow the action.
Why it's wrong here
The policy allows the action with a condition that is met.
✗
The result depends on the bucket policy.
Why it's wrong here
The user policy is evaluated; bucket policy is not considered for the same account user.
✓
The request is allowed because the condition matches the IP address.
Why this is correct
The IP 10.1.2.3 is within the 10.0.0.0/8 CIDR range.
Related concept
Standard ACLs match source addresses.
Common exam traps
Common exam trap: ACLs stop at the first match
ACLs are processed top to bottom. The first matching entry wins, and an implicit deny usually exists at the end.
Detailed technical explanation
How to think about this question
ACL questions test precision: source, destination, protocol, port and direction. A generally correct ACL can still fail if it is applied on the wrong interface or in the wrong direction.
KKey Concepts to Remember
Standard ACLs match source addresses.
Extended ACLs can match source, destination, protocol and ports.
The first matching ACL entry is used.
There is usually an implicit deny at the end.
TExam Day Tips
→Check inbound versus outbound direction.
→Read the ACL from top to bottom.
→Look for a broader permit or deny above the intended line.
Key takeaway
ACLs process entries top to bottom and stop at the first match. Entry order and interface direction matter as much as the permit or deny statement.
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.
Review ACL processing order, placement rules (standard near destination, extended near source), and inbound vs outbound direction. Study wildcard masks and implicit deny. Then practise related DOP-C02 ACL questions on filtering logic and placement.
Security and Compliance — This question tests Security and Compliance — Standard ACLs match source addresses..
What is the correct answer to this question?
The correct answer is: The request is allowed because the condition matches the IP address. — Option B is correct because the policy allows s3:GetObject only if the condition matches. The IP 10.1.2.3 falls within 10.0.0.0/8, so the condition is satisfied. Option A is wrong because the condition is met. Option C is wrong because the policy does not specify a Deny. Option D is wrong because the bucket policy is not shown.
What should I do if I get this DOP-C02 question wrong?
Review ACL processing order, placement rules (standard near destination, extended near source), and inbound vs outbound direction. Study wildcard masks and implicit deny. Then practise related DOP-C02 ACL questions on filtering logic and placement.
What is the key concept behind this question?
Standard ACLs match source addresses.
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Question Discussion
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