- 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.
Quick Answer
The correct answer is to enable HTTPS on the endpoint using a custom certificate from ACM and to configure a VPC endpoint (PrivateLink) for private connectivity. These two actions work together because HTTPS encrypts the data in transit between the client and the SageMaker endpoint, while a VPC endpoint ensures the endpoint is never exposed to the public internet, routing all traffic privately within the AWS network. On the AWS Certified Machine Learning Engineer Associate MLA-C01 exam, this scenario tests your understanding of network security for inference endpoints, often appearing as a trap where candidates mistakenly choose a public endpoint or KMS, which encrypts data at rest, not in transit. A common memory tip is to think of the "two layers" of securing SageMaker endpoint traffic with VPC and HTTPS: one for network isolation (PrivateLink) and one for encryption (HTTPS). Remember, KMS is for storage, not the wire.
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 A and D are correct. A VPC endpoint (PrivateLink) enables private connectivity from clients in the same VPC, and using HTTPS ensures encryption. Option B (public endpoint) is wrong. Option C (AWS KMS) doesn't directly encrypt network traffic. Option E (API Gateway) is unnecessary if clients are in VPC.
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
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.
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ML Solution Monitoring, Maintenance and Security — study guide chapter
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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 A and D are correct. A VPC endpoint (PrivateLink) enables private connectivity from clients in the same VPC, and using HTTPS ensures encryption. Option B (public endpoint) is wrong. Option C (AWS KMS) doesn't directly encrypt network traffic. Option E (API Gateway) is unnecessary if clients are in VPC.
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.
About these practice questions
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Last reviewed: Jun 23, 2026
This MLA-C01 practice question is part of Courseiva's free Amazon Web Services certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the MLA-C01 exam.
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