The correct actions are to attach a resource-based policy to the endpoint and to configure the endpoint within a VPC using VPC endpoints. A resource-based policy, such as an AWS Identity and Access Management (IAM) resource policy attached directly to the SageMaker endpoint, provides fine-grained control over which principals or accounts can invoke the endpoint, effectively securing access at the API level. Pairing this with a VPC configuration—making the endpoint private and routing traffic through VPC endpoints—ensures that all network traffic stays within your private network, never traversing the public internet. On the AWS Certified Machine Learning Engineer Associate MLA-C01 exam, this question tests your understanding of defense-in-depth for SageMaker real-time endpoints, often appearing as a multi-select scenario where you must distinguish between access control (policies) and network security (VPC). A common trap is confusing IAM roles with resource policies; remember that roles are for service-to-service permissions, not for direct endpoint invocation. Memory tip: "Policy for who, VPC for where"—the resource policy controls identity, while the VPC controls the network path.
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. 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.
A company wants to secure access to a SageMaker real-time endpoint. Which TWO actions should be taken? (Select two.)
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Attach a resource-based policy to the endpoint.
Options A and D are correct. A: Attaching a resource-based policy allows fine-grained control over who can invoke the endpoint. D: Configuring the endpoint within a VPC and using VPC endpoints improves network security. B is incorrect because IAM roles with sts:AssumeRole are not typically used for endpoint invocation. C is incorrect because AWS WAF does not integrate with SageMaker endpoints. E is about logging, not access control.
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.
✗
Use an IAM role with sts:AssumeRole for invocation.
Why it's wrong here
Invocation typically uses IAM permissions on the user/role directly, not sts:AssumeRole.
✓
Attach a resource-based policy to the endpoint.
Why this is correct
Resource-based policies on SageMaker endpoints allow you to specify which IAM principals can invoke the endpoint.
Related concept
Read the scenario before looking for a memorised answer.
✗
Enable AWS WAF on the endpoint.
Why it's wrong here
AWS WAF is not supported directly on SageMaker endpoints.
✗
Use AWS CloudTrail to log all invocations.
Why it's wrong here
CloudTrail provides auditing, not access control.
✓
Configure the endpoint to be private within a VPC and use VPC endpoints.
Why this is correct
Placing the endpoint in a private subnet and using VPC endpoints reduces exposure to the public internet.
Related concept
Read the scenario before looking for a memorised answer.
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 company's IT admin needs to give a contractor read-only access to production logs without sharing account credentials. Using role-based access control (RBAC) and temporary scoped permissions — not a permanent shared password — is the correct pattern. Questions like this test whether you can apply least-privilege access across cloud identity services.
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: Attach a resource-based policy to the endpoint. — Options A and D are correct. A: Attaching a resource-based policy allows fine-grained control over who can invoke the endpoint. D: Configuring the endpoint within a VPC and using VPC endpoints improves network security. B is incorrect because IAM roles with sts:AssumeRole are not typically used for endpoint invocation. C is incorrect because AWS WAF does not integrate with SageMaker endpoints. E is about logging, not access control.
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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