This SCS-C02 practice question tests your understanding of identity and access management. 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 has the following statement: { "Effect": "Deny", "Action": "s3:*", "Resource": "*", "Condition": { "BoolIfExists": { "aws:SecureTransport": "false" } } }. What does this policy do?
Denies all S3 access for any request.
Why wrong: Only denies when SecureTransport is false.
Requires MFA for all S3 access.
Why wrong: No MFA condition is present.
Allows all S3 access only if using HTTPS.
Why wrong: The effect is Deny, not Allow.
Denies all S3 access if the request is not using HTTPS.
The condition checks for false SecureTransport.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Denies all S3 access if the request is not using HTTPS.
Option B is correct because the policy denies all S3 actions when the request is not using HTTPS (SecureTransport false). Option A is wrong because it denies only non-HTTPS. Option C is wrong because it does not allow anything. Option D is wrong because it does not require MFA.
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
For each option: why learners choose it and why it is or isn't the right answer here.
Denies all S3 access for any request.
Why it's wrong here
Only denies when SecureTransport is false.
Requires MFA for all S3 access.
Why it's wrong here
No MFA condition is present.
Allows all S3 access only if using HTTPS.
Why it's wrong here
The effect is Deny, not Allow.
Denies all S3 access if the request is not using HTTPS.
Why this is correct
The condition checks for false SecureTransport.
Related concept
Standard ACLs match source addresses.
Common exam traps
ACLs are processed top to bottom. The first matching entry wins, and an implicit deny usually exists at the end.
Detailed technical explanation
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.
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
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
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 SCS-C02 ACL questions on filtering logic and placement.
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FAQ
Identity and Access Management — This question tests Identity and Access Management — Standard ACLs match source addresses..
The correct answer is: Denies all S3 access if the request is not using HTTPS. — Option B is correct because the policy denies all S3 actions when the request is not using HTTPS (SecureTransport false). Option A is wrong because it denies only non-HTTPS. Option C is wrong because it does not allow anything. Option D is wrong because it does not require MFA.
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 SCS-C02 ACL questions on filtering logic and placement.
Standard ACLs match source addresses.
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Last reviewed: Jun 20, 2026
This SCS-C02 practice question is part of Courseiva's free Amazon Web Services 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 SCS-C02 exam.
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