The correct answer is to add a condition in the bucket policy to restrict access to the VPC endpoint ID. This works by using the `aws:SourceVpce` condition key in the S3 bucket policy, which explicitly limits incoming traffic to requests originating from the specific VPC endpoint, thereby blocking any external IP addresses from reaching the bucket even if other policy statements are misconfigured. On the AWS Certified AI Practitioner AIF-C01 exam, this scenario tests your understanding of how to enforce network-level access controls for HIPAA-compliant machine learning workloads, particularly when using SageMaker in a private VPC. A common trap is assuming that disabling public access or removing the bucket policy alone is sufficient, but the key is that a VPC endpoint policy or bucket policy condition must explicitly tie access to the endpoint. Memory tip: think “SourceVpce seals the S3” — the condition acts like a digital guard that only lets traffic through the VPC endpoint’s private door.
AIF-C01 Practice Question: Security, Compliance and Governance for AI Solutions
This AIF-C01 practice question tests your understanding of security, compliance and governance for ai solutions. 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.
A healthcare company is developing a machine learning model using Amazon SageMaker to process protected health information (PHI). They have strict security requirements to comply with HIPAA. The company has implemented the following measures: All training data is stored in an S3 bucket with server-side encryption using AWS KMS. The data is accessed exclusively through Amazon SageMaker notebooks running in a private VPC with no internet access. The VPC has a VPC endpoint for S3 to ensure traffic stays within the AWS network. Despite these measures, a recent security audit discovered that the S3 bucket containing the training data is accessible from an IP address outside the company's network. Upon investigation, it was found that the bucket policy allowed access from any IP address due to a misconfigured bucket policy. Which corrective action should the company take to prevent this issue from recurring?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Add a condition in the bucket policy to restrict access to the VPC endpoint ID.
Option B is correct because adding a condition to the bucket policy that restricts access to the VPC endpoint ID (aws:SourceVpce) ensures that only traffic from the VPC endpoint can access the bucket, preventing external IP access. Option A is incorrect because removing the bucket policy entirely would still allow access if IAM roles are not properly restricted. Option C is incorrect because disabling Block Public Access would increase risk. Option D is incorrect because moving data to EBS is not scalable and does not address the underlying policy issue.
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.
✓
Add a condition in the bucket policy to restrict access to the VPC endpoint ID.
Why this is correct
This ensures that only requests from the VPC endpoint can access the bucket, blocking external IPs.
Related concept
Read the scenario before looking for a memorised answer.
✗
Move the training data to an EBS volume attached to the SageMaker notebook.
Why it's wrong here
EBS volumes are not shared across training jobs and do not solve the access control issue.
✗
Remove the bucket policy and rely solely on IAM policies to control access.
Why it's wrong here
IAM policies alone may not prevent access if the bucket policy was the only restriction; also, this does not enforce VPC-only access.
✗
Disable S3 Block Public Access settings to allow more granular control.
Why it's wrong here
Disabling Block Public Access increases the risk of public access.
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 AIF-C01 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.
Security, Compliance and Governance for AI Solutions — This question tests Security, Compliance and Governance for AI Solutions — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Add a condition in the bucket policy to restrict access to the VPC endpoint ID. — Option B is correct because adding a condition to the bucket policy that restricts access to the VPC endpoint ID (aws:SourceVpce) ensures that only traffic from the VPC endpoint can access the bucket, preventing external IP access. Option A is incorrect because removing the bucket policy entirely would still allow access if IAM roles are not properly restricted. Option C is incorrect because disabling Block Public Access would increase risk. Option D is incorrect because moving data to EBS is not scalable and does not address the underlying policy issue.
What should I do if I get this AIF-C01 question wrong?
Identify which AIF-C01 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.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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