- A
Use a NAT Gateway in a public subnet and route traffic through it
Why wrong: A NAT Gateway is used for outbound internet access, not for private S3 access.
- B
Create a VPC Gateway Endpoint for S3
Creating a VPC Gateway Endpoint for S3 is the correct method for private, low-latency access to S3 within the same region. It is free and uses prefix lists in route tables.
- C
Use VPC peering to connect to an S3 bucket
Why wrong: VPC peering does not inherently grant access to S3; you would still need an endpoint or internet gateway.
- D
Create a VPC Interface Endpoint for S3
While VPC Interface Endpoints can provide private access to S3, they are not the recommended choice for same-region VPC access due to additional costs and complexity. The question seeks the optimal configuration, making D incorrect.
VPC Gateway Endpoint for S3
This ANS-C01 practice question tests your understanding of network management and operations. 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. A key principle to apply: vPC Gateway Endpoint. 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 a VPC with resources that need to access an S3 bucket in the same region. To minimize latency and avoid internet traffic, which configuration should be used?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue:
"minimum / minimize"Why it matters: Asks for the least resource use — fewest addresses, smallest subnet, lowest overhead. Eliminate over-provisioned options even if they would technically work.
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
Create a VPC Gateway Endpoint for S3
Both VPC Gateway Endpoint and VPC Interface Endpoint provide private connectivity to S3 without traversing the internet, minimizing latency. Gateway Endpoints are free and route traffic via prefix lists, while Interface Endpoints use PrivateLink and incur hourly charges and data processing fees. In this question, both configurations are valid for private S3 access within the same region. Option A is wrong because NAT Gateway is for internet access, not private S3 access. Option C is wrong because VPC peering does not inherently provide access to S3; it only connects VPCs. Therefore, options B and D are correct.
Key principle: VPC Gateway Endpoint
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 a NAT Gateway in a public subnet and route traffic through it
- ✓
Create a VPC Gateway Endpoint for S3
Why this is correct
Creating a VPC Gateway Endpoint for S3 is the correct method for private, low-latency access to S3 within the same region. It is free and uses prefix lists in route tables.
Clue confirmation
The clue word "minimum / minimize" in the question point toward this answer.
Related concept
VPC Gateway Endpoint
- ✗
Use VPC peering to connect to an S3 bucket
Why it's wrong here
VPC peering does not inherently grant access to S3; you would still need an endpoint or internet gateway.
- ✓
Create a VPC Interface Endpoint for S3
Why this is correct
While VPC Interface Endpoints can provide private access to S3, they are not the recommended choice for same-region VPC access due to additional costs and complexity. The question seeks the optimal configuration, making D incorrect.
Clue confirmation
The clue word "minimum / minimize" in the question point toward this answer.
Related concept
VPC Gateway Endpoint
Common exam traps
Common exam trap: answer the scenario, not the keyword
Some may think only Gateway Endpoints work for S3, but AWS now supports Interface Endpoints for S3 as well. Both provide private connectivity.
Detailed technical explanation
How to think about this question
Treat this as a scenario question. Identify the problem, the constraint, and the best action. Then compare each option against those facts.
KKey Concepts to Remember
- VPC Gateway Endpoint
- VPC Interface Endpoint
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
VPC Gateway Endpoint
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.
Visual reference
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 vPC Gateway Endpoint, then practise related ANS-C01 questions on the same topic to reinforce the concept.
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FAQ
Questions learners often ask
What does this ANS-C01 question test?
Network Management and Operations — This question tests Network Management and Operations — VPC Gateway Endpoint.
What is the correct answer to this question?
The correct answer is: Create a VPC Gateway Endpoint for S3 — Both VPC Gateway Endpoint and VPC Interface Endpoint provide private connectivity to S3 without traversing the internet, minimizing latency. Gateway Endpoints are free and route traffic via prefix lists, while Interface Endpoints use PrivateLink and incur hourly charges and data processing fees. In this question, both configurations are valid for private S3 access within the same region. Option A is wrong because NAT Gateway is for internet access, not private S3 access. Option C is wrong because VPC peering does not inherently provide access to S3; it only connects VPCs. Therefore, options B and D are correct.
What should I do if I get this ANS-C01 question wrong?
Review vPC Gateway Endpoint, then practise related ANS-C01 questions on the same topic to reinforce the concept.
Are there clue words in this question I should notice?
Yes — watch for: "minimum / minimize". Asks for the least resource use — fewest addresses, smallest subnet, lowest overhead. Eliminate over-provisioned options even if they would technically work.
What is the key concept behind this question?
VPC Gateway Endpoint
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Last reviewed: Jun 20, 2026
This ANS-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 ANS-C01 exam.
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