This DOP-C02 practice question tests your understanding of security and compliance. 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.
Refer to the exhibit. The S3 bucket policy is applied to a bucket. An application attempts to upload an object to the bucket using HTTP (not HTTPS). 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 upload fails because the condition matches HTTP requests
The bucket policy includes an explicit deny for all S3 actions when aws:SecureTransport is false (i.e., HTTP). This deny overrides any allow policies, so the upload fails. Option A is correct because the condition matches HTTP requests. Option B is incorrect because the explicit deny overrides any allow. Option C is incorrect because the deny is explicit, so the condition is evaluated. Option D is incorrect because the policy only denies HTTP, not HTTPS.
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 upload fails because the condition matches HTTP requests
Why this is correct
Deny applies when SecureTransport is false.
Related concept
Standard ACLs match source addresses.
✗
The upload succeeds if the bucket also has an allow policy for the user
Why it's wrong here
A deny always overrides an allow.
✗
The upload succeeds because there is no explicit allow statement
Why it's wrong here
Deny statements override implicit allows.
✗
The upload fails because the bucket policy does not allow any access
Why it's wrong here
There is no explicit allow, but an implicit allow could exist from IAM; however, the deny blocks HTTP.
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.
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.
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 upload fails because the condition matches HTTP requests — The bucket policy includes an explicit deny for all S3 actions when aws:SecureTransport is false (i.e., HTTP). This deny overrides any allow policies, so the upload fails. Option A is correct because the condition matches HTTP requests. Option B is incorrect because the explicit deny overrides any allow. Option C is incorrect because the deny is explicit, so the condition is evaluated. Option D is incorrect because the policy only denies HTTP, not HTTPS.
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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