DVA-C02 Development with AWS Services Practice Question
This DVA-C02 practice question tests your understanding of development with aws services. 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.
An IAM policy is attached to a user. What is the effect when the user tries to download an object from the 'confidential' folder in 'my-bucket' from an IP address within the 192.0.2.0/24 range?
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.
Option A is correct because the Deny statement has a condition that checks if the source IP is NOT in the specified range. Since the condition is not met (the IP is in the range), the Deny does not apply, and the Allow statement allows s3:GetObject on the bucket. Option B is wrong because the Deny does not apply. Option C is wrong because the Deny condition is not met. Option D is wrong because the policy does not result in an error.
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.
Why it's wrong here
The Deny condition excludes this IP range.
✗
The request results in an error due to conflicting statements.
Why it's wrong here
There is no conflict; the policy is evaluated correctly.
✓
The request is allowed.
Why this is correct
The Deny condition is not satisfied, so the Allow applies.
Related concept
Standard ACLs match source addresses.
✗
The request is denied because the Deny statement overrides the Allow.
Why it's wrong here
The Deny condition is not met, so it does not apply.
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 DVA-C02 ACL questions on filtering logic and placement.
Development with AWS Services — This question tests Development with AWS Services — Standard ACLs match source addresses..
What is the correct answer to this question?
The correct answer is: The request is allowed. — Option A is correct because the Deny statement has a condition that checks if the source IP is NOT in the specified range. Since the condition is not met (the IP is in the range), the Deny does not apply, and the Allow statement allows s3:GetObject on the bucket. Option B is wrong because the Deny does not apply. Option C is wrong because the Deny condition is not met. Option D is wrong because the policy does not result in an error.
What should I do if I get this DVA-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 DVA-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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