MLA-C01 Practice Question: ML Solution Monitoring, Maintenance and Security
This MLA-C01 practice question tests your understanding of ml solution monitoring, maintenance and security. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. 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 team is deploying a real-time inference endpoint in SageMaker. The model requires access to an S3 bucket containing customer data, which is encrypted with SSE-KMS. The team needs to ensure that the endpoint can decrypt the data. Which IAM role configuration is necessary?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Add kms:Decrypt permission to the SageMaker execution role for the specific KMS key.
Option A is correct because the SageMaker execution role must have permission to use the KMS key to decrypt the S3 objects. Option B is wrong because the endpoint role needs the decrypt permission, not grant to S3. Option C is insufficient because the role must have kms:Decrypt. Option D is incorrect because SageMaker does not assume a role from S3.
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 kms:GenerateDataKey permission to the SageMaker execution role.
Why it's wrong here
Data key generation is for encryption, not decryption; Decrypt is needed.
✗
Attach a policy to the S3 bucket granting s3:GetObject to the KMS key.
Why it's wrong here
S3 bucket policy cannot grant KMS permissions; the role needs KMS actions.
✓
Add kms:Decrypt permission to the SageMaker execution role for the specific KMS key.
Why this is correct
The execution role must be allowed to decrypt using the customer-managed key.
Related concept
Read the scenario before looking for a memorised answer.
✗
Configure the endpoint to assume the S3 bucket's IAM role.
Why it's wrong here
S3 does not have an IAM role assumed by other services; the role must be attached to SageMaker.
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 MLA-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.
ML Solution Monitoring, Maintenance and Security — This question tests ML Solution Monitoring, Maintenance and Security — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Add kms:Decrypt permission to the SageMaker execution role for the specific KMS key. — Option A is correct because the SageMaker execution role must have permission to use the KMS key to decrypt the S3 objects. Option B is wrong because the endpoint role needs the decrypt permission, not grant to S3. Option C is insufficient because the role must have kms:Decrypt. Option D is incorrect because SageMaker does not assume a role from S3.
What should I do if I get this MLA-C01 question wrong?
Identify which MLA-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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Question Discussion
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