- A
Deploy the endpoint in a private subnet and use SageMaker Model Monitor to detect unauthorized access
Why wrong: Private subnet does not enforce inter-container encryption; Model Monitor is for data quality, not security.
- B
Attach a security group that only allows inbound traffic from the VPC CIDR and enable data encryption using a KMS key
Why wrong: Security groups alone do not provide inter-container encryption; also, endpoint data encryption requires specifying a KMS key in the endpoint configuration.
- C
Enable network isolation mode and use a VPC configuration with no public internet access
Why wrong: Network isolation mode blocks all internet but does not enforce inter-container encryption.
- D
Configure the endpoint with VPC-only mode, enable inter-container traffic encryption, and specify a KMS key for endpoint data encryption
VPC-only mode restricts traffic to the VPC, inter-container encryption secures container-to-container traffic, and KMS key encrypts data at rest.
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 financial services company must deploy a SageMaker endpoint that only accepts traffic from within a VPC and encrypts all data at rest and in transit using customer-managed KMS keys. They also need to prevent inter-container traffic from being visible to other users. Which combination of settings fulfills 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 the endpoint with VPC-only mode, enable inter-container traffic encryption, and specify a KMS key for endpoint data encryption
VPC-only mode restricts traffic to the VPC. Inter-container traffic encryption ensures data in transit between containers is encrypted. KMS key specified in the endpoint configuration encrypts data at rest.
Key principle: Count usable hosts — not total addresses — and remember that the network and broadcast addresses are not available to hosts in standard IPv4 subnets.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Deploy the endpoint in a private subnet and use SageMaker Model Monitor to detect unauthorized access
Why it's wrong here
Private subnet does not enforce inter-container encryption; Model Monitor is for data quality, not security.
- ✗
Attach a security group that only allows inbound traffic from the VPC CIDR and enable data encryption using a KMS key
Why it's wrong here
Security groups alone do not provide inter-container encryption; also, endpoint data encryption requires specifying a KMS key in the endpoint configuration.
- ✗
Enable network isolation mode and use a VPC configuration with no public internet access
Why it's wrong here
Network isolation mode blocks all internet but does not enforce inter-container encryption.
- ✓
Configure the endpoint with VPC-only mode, enable inter-container traffic encryption, and specify a KMS key for endpoint data encryption
Common exam traps
Common exam trap: usable hosts are not the same as total addresses
Subnetting questions often tempt you into counting all addresses. In normal IPv4 subnets, the network and broadcast addresses are not usable host addresses.
Detailed technical explanation
How to think about this question
Subnetting questions test whether you can identify the network, broadcast address, usable range, mask and correct subnet. Slow down enough to calculate the block size correctly.
KKey Concepts to Remember
- CIDR notation defines the prefix length.
- Block size helps identify subnet boundaries.
- Network and broadcast addresses are not usable hosts in normal IPv4 subnets.
- The required host count determines the smallest suitable subnet.
TExam Day Tips
- Write the block size before choosing the subnet.
- Check whether the question asks for hosts, subnets or a specific address range.
- Do not confuse /24, /25, /26 and /27 host counts.
Key takeaway
Count usable hosts — not total addresses — and remember that the network and broadcast addresses are not available to hosts in standard IPv4 subnets.
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.
Review block sizes, usable host formulas (2^n − 2), and how to find network and broadcast addresses for /24 through /30. Then practise related MLA-C01 subnetting questions on CIDR, address ranges, and subnet selection.
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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 — CIDR notation defines the prefix length..
What is the correct answer to this question?
The correct answer is: Configure the endpoint with VPC-only mode, enable inter-container traffic encryption, and specify a KMS key for endpoint data encryption — VPC-only mode restricts traffic to the VPC. Inter-container traffic encryption ensures data in transit between containers is encrypted. KMS key specified in the endpoint configuration encrypts data at rest.
What should I do if I get this MLA-C01 question wrong?
Review block sizes, usable host formulas (2^n − 2), and how to find network and broadcast addresses for /24 through /30. Then practise related MLA-C01 subnetting questions on CIDR, address ranges, and subnet selection.
What is the key concept behind this question?
CIDR notation defines the prefix length.
About these practice questions
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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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