- A
Place the endpoint behind an API Gateway and call it from the client.
Why wrong: API Gateway adds complexity and still requires VPC integration for private access.
- B
Configure the SageMaker endpoint to be VPC-only by setting the endpoint's VPC configuration.
VPC-only endpoints are not publicly accessible.
- C
Create the endpoint with a public endpoint and allow only the client's IP address via security group.
Why wrong: Public endpoint is still internet-facing; IP-based restrictions are not recommended.
- D
Enable HTTPS on the endpoint by using a custom certificate from ACM.
HTTPS ensures encryption in transit.
- E
Use AWS KMS to encrypt data in transit between the client and the endpoint.
Why wrong: KMS is for encryption at rest, not in transit; TLS/SSL is needed.
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 has deployed a model to a SageMaker endpoint. The security team wants to ensure that all traffic between the endpoint and the client application is encrypted and that the endpoint is not accessible from the internet. Which TWO actions should the company take? (Choose TWO.)
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Configure the SageMaker endpoint to be VPC-only by setting the endpoint's VPC configuration.
Option B is correct because configuring a SageMaker endpoint as VPC-only ensures that the endpoint is not publicly accessible; it can only be reached from within the specified VPC, satisfying the security team's requirement to block internet access. Option D is correct because enabling HTTPS on the endpoint using a custom certificate from AWS Certificate Manager (ACM) encrypts all data in transit between the client and the endpoint, meeting the encryption requirement.
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.
- ✗
Place the endpoint behind an API Gateway and call it from the client.
Why it's wrong here
API Gateway adds complexity and still requires VPC integration for private access.
- ✓
Configure the SageMaker endpoint to be VPC-only by setting the endpoint's VPC configuration.
Why this is correct
VPC-only endpoints are not publicly accessible.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Create the endpoint with a public endpoint and allow only the client's IP address via security group.
Why it's wrong here
Public endpoint is still internet-facing; IP-based restrictions are not recommended.
- ✓
Enable HTTPS on the endpoint by using a custom certificate from ACM.
Why this is correct
HTTPS ensures encryption in transit.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Use AWS KMS to encrypt data in transit between the client and the endpoint.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse encryption in transit with encryption at rest, leading them to select KMS (Option E) for data in transit, or they assume that restricting IP addresses via security groups (Option C) is sufficient to block internet access, when in fact a public endpoint remains internet-accessible regardless of security group rules.
Detailed technical explanation
How to think about this question
When you configure a SageMaker endpoint as VPC-only, the endpoint receives a private IP address from your VPC and is not assigned a public DNS name or public IP, making it unreachable from the internet. Enabling HTTPS on the endpoint requires attaching a custom SSL/TLS certificate from ACM (or another trusted CA) to the endpoint configuration; SageMaker then terminates TLS at the endpoint, ensuring all client-to-endpoint traffic is encrypted over HTTPS (port 443). Note that SageMaker endpoints do not support custom certificates by default—you must specify the certificate ARN in the endpoint configuration, and the client must trust the certificate chain.
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 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.
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FAQ
Questions learners often ask
What does this MLA-C01 question test?
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: Configure the SageMaker endpoint to be VPC-only by setting the endpoint's VPC configuration. — Option B is correct because configuring a SageMaker endpoint as VPC-only ensures that the endpoint is not publicly accessible; it can only be reached from within the specified VPC, satisfying the security team's requirement to block internet access. Option D is correct because enabling HTTPS on the endpoint using a custom certificate from AWS Certificate Manager (ACM) encrypts all data in transit between the client and the endpoint, meeting the encryption requirement.
What should I do if I get this MLA-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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Last reviewed: Jul 4, 2026
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