- A
Internet Gateway
Why wrong: Internet Gateway exposes the VPC to the internet.
- B
AWS Site-to-Site VPN
Why wrong: VPN is for on-premises connectivity to VPC.
- C
VPC Gateway Endpoint
VPC Gateway Endpoint provides private, secure access to S3.
- D
NAT Gateway
Why wrong: NAT Gateway enables outbound internet access, but S3 access would still traverse the internet.
Question 1,542 of 1,705
ANS-C01 Network Design Practice Question
This ANS-C01 practice question tests your understanding of network design. 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 its VPC to access an S3 bucket securely without traversing the internet. Which AWS resource enables private connectivity between a VPC and S3?
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
✓
VPC Gateway Endpoint
A VPC Gateway Endpoint (C) is the correct choice because it provides private, direct connectivity between a VPC and S3 without traversing the internet. It uses AWS PrivateLink to route traffic through the AWS network, using prefix lists in the VPC route table to direct S3 traffic to the endpoint, ensuring data never leaves the AWS backbone.
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.
- ✗
Internet Gateway
Why it's wrong here
Internet Gateway exposes the VPC to the internet.
- ✗
AWS Site-to-Site VPN
Why it's wrong here
VPN is for on-premises connectivity to VPC.
- ✓
VPC Gateway Endpoint
Why this is correct
VPC Gateway Endpoint provides private, secure access to S3.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
NAT Gateway
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse Gateway Endpoints with Interface Endpoints, assuming S3 requires an Interface Endpoint, but S3 only supports Gateway Endpoints for private connectivity.
Detailed technical explanation
How to think about this question
A VPC Gateway Endpoint uses route table entries with a prefix list for S3 (e.g., com.amazonaws.us-east-1.s3) to direct traffic to the endpoint, which is horizontally scaled, redundant, and highly available within the VPC. Under the hood, it leverages AWS PrivateLink to keep traffic within the AWS network, avoiding NAT, IGW, or VPN overhead. In real-world scenarios, this is critical for compliance requirements like PCI DSS or HIPAA, where data must not traverse the public internet.
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.
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 Design — This question tests Network Design — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: VPC Gateway Endpoint — A VPC Gateway Endpoint (C) is the correct choice because it provides private, direct connectivity between a VPC and S3 without traversing the internet. It uses AWS PrivateLink to route traffic through the AWS network, using prefix lists in the VPC route table to direct S3 traffic to the endpoint, ensuring data never leaves the AWS backbone.
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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