- A
Establish an AWS Direct Connect connection to the VPC.
Why wrong: Overkill and expensive for S3 access; also requires on-premises.
- B
Attach an internet gateway and route through a NAT gateway.
Why wrong: Uses internet, not private.
- C
Create a VPC Interface Endpoint for S3.
Why wrong: Interface Endpoint is not supported for S3; only Gateway Endpoint.
- D
Create a VPC Gateway Endpoint for S3.
Gateway Endpoint provides private connectivity to S3 without internet.
Question 1,426 of 1,705
ANS-C01 Network Implementation Practice Question
This ANS-C01 practice question tests your understanding of network implementation. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. 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 wants to allow an EC2 instance in a private subnet to download files from an S3 bucket without traversing the internet. Which AWS service should be used?
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.
A VPC Gateway Endpoint for S3 allows instances in a private subnet to access S3 without traversing the internet by routing traffic through AWS's internal network. It uses prefix lists and route table entries to direct S3 traffic to the endpoint, avoiding the need for NAT gateways or internet gateways.
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.
- ✗
Establish an AWS Direct Connect connection to the VPC.
Why it's wrong here
Overkill and expensive for S3 access; also requires on-premises.
- ✗
Attach an internet gateway and route through a NAT gateway.
Why it's wrong here
Uses internet, not private.
- ✗
Create a VPC Interface Endpoint for S3.
Why it's wrong here
Interface Endpoint is not supported for S3; only Gateway Endpoint.
- ✓
Create a VPC Gateway Endpoint for S3.
Why this is correct
Gateway Endpoint provides private connectivity to S3 without internet.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The ANS-C01 exam often tests the distinction between Gateway Endpoints and Interface Endpoints, where candidates mistakenly choose Interface Endpoint for S3 because they confuse it with services like DynamoDB or API Gateway, or assume all AWS services use the same endpoint type.
Detailed technical explanation
How to think about this question
A VPC Gateway Endpoint for S3 uses AWS's global network backbone to route traffic, leveraging route table entries with a prefix list for S3 (e.g., com.amazonaws.region.s3) to direct packets to the endpoint without leaving the AWS network. Under the hood, the endpoint is a horizontally scaled, redundant set of devices that perform packet inspection and forwarding, ensuring traffic stays within the AWS infrastructure. In a real-world scenario, this is critical for compliance with data sovereignty requirements or reducing data transfer costs, as Gateway Endpoints are free and avoid NAT gateway hourly charges.
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 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
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FAQ
Questions learners often ask
What does this ANS-C01 question test?
Network Implementation — This question tests Network Implementation — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Create a VPC Gateway Endpoint for S3. — A VPC Gateway Endpoint for S3 allows instances in a private subnet to access S3 without traversing the internet by routing traffic through AWS's internal network. It uses prefix lists and route table entries to direct S3 traffic to the endpoint, avoiding the need for NAT gateways or internet gateways.
What should I do if I get this ANS-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 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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