The correct answer is an IAM policy that allows s3:GetObject and s3:ListBucket on the specific S3 bucket. This is because a SageMaker notebook instance acts as an AWS service that needs to read training data from S3, and its execution role must grant explicit permissions for both retrieving individual objects (GetObject) and enumerating the bucket’s contents (ListBucket) to navigate directories. On the AWS Certified AI Practitioner AIF-C01 exam, this scenario tests your understanding of least-privilege access for SageMaker environments—a common trap is choosing a policy with s3:PutObject or full S3 access, which is unnecessary for read-only training data. Remember that the notebook’s role is separate from the user’s IAM role, so the policy must be attached to the execution role, not the user. A quick memory tip: “Get and List to exist”—without both, the notebook can’t find or fetch the data.
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 data science team needs to grant a SageMaker notebook instance access to an S3 bucket containing training data. Which IAM policy should be attached to the notebook instance's execution role?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
An IAM policy that allows s3:GetObject and s3:ListBucket on the specific bucket
The correct answer is D because a SageMaker notebook instance needs read access to the S3 bucket containing training data. The execution role must have an IAM policy that explicitly allows s3:GetObject (to read objects) and s3:ListBucket (to list the bucket contents) on the specific bucket. Without these permissions, the notebook cannot retrieve the training data.
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.
✗
An IAM policy that allows the sagemaker:InvokeEndpoint action
Why it's wrong here
InvokeEndpoint is for inference, not for accessing S3.
✗
An IAM policy that allows kms:Decrypt on the S3 bucket's KMS key
Why it's wrong here
While decryption may be needed, the primary permission is S3 access; this is insufficient alone.
✗
An IAM policy that allows ec2:DescribeVpcs
Why it's wrong here
DescribeVpcs is for VPC information, not directly needed for S3 access.
✓
An IAM policy that allows s3:GetObject and s3:ListBucket on the specific bucket
Why this is correct
The notebook instance's execution role needs these permissions to read training data.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Cisco often tests the distinction between the permissions needed for data access (S3 actions) versus inference (SageMaker actions) or encryption (KMS actions), leading candidates to overcomplicate by adding unnecessary permissions like kms:Decrypt when the question does not mention encryption.
Detailed technical explanation
How to think about this question
Under the hood, the SageMaker notebook instance assumes an IAM role (the execution role) to make AWS API calls. The s3:GetObject permission allows reading individual objects, while s3:ListBucket is required for operations like listing keys or using the AWS SDK's list_objects. If the bucket uses SSE-KMS, you must also add kms:Decrypt to the role, but the question's primary requirement is S3 data access, making D the most direct and necessary policy.
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.
TExam Day Tips
→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 exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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: An IAM policy that allows s3:GetObject and s3:ListBucket on the specific bucket — The correct answer is D because a SageMaker notebook instance needs read access to the S3 bucket containing training data. The execution role must have an IAM policy that explicitly allows s3:GetObject (to read objects) and s3:ListBucket (to list the bucket contents) on the specific bucket. Without these permissions, the notebook cannot retrieve the training data.
What should I do if I get this AIF-C01 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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