- A
Configure SageMaker Studio in VPC-only mode and use KMS encryption
Why wrong: KMS encrypts data at rest, not inter-container traffic.
- B
Use a VPC with a NAT gateway and enable network isolation
Why wrong: A NAT gateway would allow outbound internet access, contradicting the requirement.
- C
Enable inter-container traffic encryption and use a VPC with VPC endpoints
Why wrong: VPC endpoints allow access to AWS services but do not enforce VPC-only mode; internet access may still be possible.
- D
Enable network isolation mode and inter-container traffic encryption
Network isolation removes internet access, and inter-container encryption secures traffic between containers.
Question 127 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 machine learning team needs to ensure that all model training and inference jobs within SageMaker Studio run in a private network without internet access. The team also requires that inter-container traffic within the same training job be encrypted. Which configurations should they combine?
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
✓
Enable network isolation mode and inter-container traffic encryption
VPC-only mode restricts all traffic to the VPC, and inter-container traffic encryption ensures data in transit within the job is encrypted. These two settings together meet the requirements.
Key principle: NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Configure SageMaker Studio in VPC-only mode and use KMS encryption
Why it's wrong here
KMS encrypts data at rest, not inter-container traffic.
- ✗
Use a VPC with a NAT gateway and enable network isolation
- ✗
Enable inter-container traffic encryption and use a VPC with VPC endpoints
Why it's wrong here
VPC endpoints allow access to AWS services but do not enforce VPC-only mode; internet access may still be possible.
- ✓
Enable network isolation mode and inter-container traffic encryption
Why this is correct
Network isolation removes internet access, and inter-container encryption secures traffic between containers.
Related concept
Static NAT maps one inside address to one outside address.
Common exam traps
Common exam trap: NAT rules depend on direction and matching traffic
NAT is not only about the public address. The inside/outside interface roles and the ACL or rule that matches traffic are just as important.
Detailed technical explanation
How to think about this question
NAT questions usually test address translation, overload/PAT behaviour, static mappings and whether the right traffic is being translated. Read the interface direction and address terms carefully.
KKey Concepts to Remember
- Static NAT maps one inside address to one outside address.
- PAT allows many inside hosts to share one public address using ports.
- Inside local and inside global describe the private and translated addresses.
- NAT ACLs identify traffic for translation, not always security filtering.
TExam Day Tips
- Identify inside and outside interfaces first.
- Check whether the scenario needs static NAT, dynamic NAT or PAT.
- Do not confuse NAT matching ACLs with normal packet-filtering intent.
Key takeaway
NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
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 the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related MLA-C01 NAT questions on configuration and troubleshooting.
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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 — Static NAT maps one inside address to one outside address..
What is the correct answer to this question?
The correct answer is: Enable network isolation mode and inter-container traffic encryption — VPC-only mode restricts all traffic to the VPC, and inter-container traffic encryption ensures data in transit within the job is encrypted. These two settings together meet the requirements.
What should I do if I get this MLA-C01 question wrong?
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related MLA-C01 NAT questions on configuration and troubleshooting.
What is the key concept behind this question?
Static NAT maps one inside address to one outside address.
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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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