- A
Use an S3 bucket with SSE-KMS encryption and configure the SageMaker training job to use a VPC with no internet access
SSE-KMS encrypts data at rest; VPC with no internet ensures data in transit stays within AWS network, and SageMaker uses HTTPS for encryption.
- B
Enable S3 Transfer Acceleration and use a public SageMaker training job
Why wrong: Transfer Acceleration speeds up transfers but does not provide encryption at rest or in transit beyond default HTTPS.
- C
Use client-side encryption before uploading to S3 and disable SageMaker internet access
Why wrong: Client-side encryption alone does not ensure encryption at rest on S3; also, SageMaker training jobs require internet access for some features unless using VPC.
- D
Enable default S3 bucket encryption and use a SageMaker notebook instance in a private subnet
Why wrong: The notebook instance is for development, not for training jobs. Training jobs need VPC configuration for network isolation.
AIF-C01 Practice Question: Security, Compliance, and Governance for AI Solutions
This AIF-C01 practice question tests your understanding of security, compliance, and governance for ai solutions. 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 data scientist is training a model using Amazon SageMaker and needs to ensure the training data is encrypted at rest and in transit. The data is stored in S3. Which combination of steps meets this requirement?
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
Use an S3 bucket with SSE-KMS encryption and configure the SageMaker training job to use a VPC with no internet access
S3 server-side encryption (SSE-S3 or KMS) protects data at rest. SageMaker uses HTTPS for data in transit between S3 and the training instance, and VPC configuration can enforce network isolation.
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.
- ✓
Use an S3 bucket with SSE-KMS encryption and configure the SageMaker training job to use a VPC with no internet access
- ✗
Enable S3 Transfer Acceleration and use a public SageMaker training job
- ✗
Use client-side encryption before uploading to S3 and disable SageMaker internet access
Why it's wrong here
Client-side encryption alone does not ensure encryption at rest on S3; also, SageMaker training jobs require internet access for some features unless using VPC.
- ✗
Enable default S3 bucket encryption and use a SageMaker notebook instance in a private subnet
Why it's wrong here
The notebook instance is for development, not for training jobs. Training jobs need VPC configuration for network isolation.
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 media company stores terabytes of video archives that are accessed once a year for audit purposes. Moving these objects to a cold storage tier (Azure Archive, S3 Glacier, or Google Nearline) costs a fraction of hot storage. Questions like this test whether you understand storage tiers, access frequency tradeoffs, and retrieval latency requirements.
Quick reference
AWS S3 Storage Class Comparison
| Storage Class | Min Duration | Retrieval | Use Case |
|---|---|---|---|
| S3 Standard | None | Immediate | Frequently accessed data |
| S3 Standard-IA | 30 days | Immediate | Infrequent access, rapid retrieval |
| S3 One Zone-IA | 30 days | Immediate | Non-critical infrequent data |
| S3 Intelligent-Tiering | None | Immediate–hours | Unknown or changing access patterns |
| S3 Glacier Instant | 90 days | Milliseconds | Archive with instant retrieval |
| S3 Glacier Flexible | 90 days | Minutes–hours | Archive, flexible retrieval |
| S3 Glacier Deep Archive | 180 days | Hours | Long-term compliance archive |
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 AIF-C01 subnetting questions on CIDR, address ranges, and subnet selection.
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FAQ
Questions learners often ask
What does this AIF-C01 question test?
Security, Compliance, and Governance for AI Solutions — This question tests Security, Compliance, and Governance for AI Solutions — CIDR notation defines the prefix length..
What is the correct answer to this question?
The correct answer is: Use an S3 bucket with SSE-KMS encryption and configure the SageMaker training job to use a VPC with no internet access — S3 server-side encryption (SSE-S3 or KMS) protects data at rest. SageMaker uses HTTPS for data in transit between S3 and the training instance, and VPC configuration can enforce network isolation.
What should I do if I get this AIF-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 AIF-C01 subnetting questions on CIDR, address ranges, and subnet selection.
What is the key concept behind this question?
CIDR notation defines the prefix length.
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Last reviewed: Jul 4, 2026
This AIF-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 AIF-C01 exam.
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