- A
Enable network isolation mode and use KMS for endpoint encryption
Why wrong: Network isolation prevents internet access but does not restrict inference requests to VPC only.
- B
Configure endpoint in VPC-only mode and enable inter-container traffic encryption
Why wrong: VPC-only mode restricts traffic to VPC, but inter-container encryption does not address at-rest encryption.
- C
Deploy endpoint in a public subnet and use a security group to restrict traffic
Why wrong: Public subnet allows internet traffic; security group alone cannot enforce VPC-only access reliably.
- D
Configure endpoint in VPC-only mode and enable KMS encryption for the endpoint
VPC-only mode restricts access to VPC; KMS encryption secures data at rest.
Question 158 of 1,000
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 company deploys a model for credit risk assessment on a SageMaker endpoint. To comply with internal policies, they must ensure that the endpoint only allows inference requests from within a specific VPC and that the data is encrypted at rest. Which configuration meets these requirements?
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 endpoint in VPC-only mode and enable KMS encryption for the endpoint
Option D is correct because configuring the SageMaker endpoint in VPC-only mode ensures that inference requests can only originate from within the specified VPC, satisfying the network restriction requirement. Enabling KMS encryption for the endpoint encrypts the model data and inference data at rest using a customer-managed key, meeting the encryption-at-rest policy.
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.
- ✗
Enable network isolation mode and use KMS for endpoint encryption
Why it's wrong here
Network isolation prevents internet access but does not restrict inference requests to VPC only.
- ✗
Configure endpoint in VPC-only mode and enable inter-container traffic encryption
Why it's wrong here
VPC-only mode restricts traffic to VPC, but inter-container encryption does not address at-rest encryption.
- ✗
Deploy endpoint in a public subnet and use a security group to restrict traffic
Why it's wrong here
Public subnet allows internet traffic; security group alone cannot enforce VPC-only access reliably.
- ✓
Configure endpoint in VPC-only mode and enable KMS encryption for the endpoint
Why this is correct
VPC-only mode restricts access to VPC; KMS encryption secures data at rest.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is confusing network isolation (which blocks outbound internet access) with VPC-only mode (which restricts inbound traffic to a VPC), and mistaking inter-container traffic encryption for encryption at rest.
Detailed technical explanation
How to think about this question
When you enable VPC-only mode for a SageMaker endpoint, SageMaker creates the endpoint in your VPC and assigns it a private IP address, so it is only reachable from within that VPC via the AWS network. KMS encryption for the endpoint uses a customer-managed key (CMK) to encrypt the EBS volumes attached to the endpoint instances, ensuring model artifacts and inference data are encrypted at rest; this is separate from S3-side encryption or inter-container traffic encryption.
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 healthcare organisation deploys an application with a public-facing web tier and a private database tier. The database subnet has no public IP and only accepts connections from the web tier's security group. Questions like this test whether you can design cloud network isolation using VNets/VPCs, subnets, and security group rules.
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.
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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 endpoint in VPC-only mode and enable KMS encryption for the endpoint — Option D is correct because configuring the SageMaker endpoint in VPC-only mode ensures that inference requests can only originate from within the specified VPC, satisfying the network restriction requirement. Enabling KMS encryption for the endpoint encrypts the model data and inference data at rest using a customer-managed key, meeting the encryption-at-rest policy.
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
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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