- A
A VPC Gateway Endpoint for S3
A VPC Gateway Endpoint for S3 allows instances in private subnets to access S3 privately using AWS internal networks, without internet traffic.
- B
A NAT Gateway
Why wrong: A NAT Gateway provides outbound internet access, but traffic still traverses the internet and incurs NAT Gateway data processing charges. It does not provide a private path to S3.
- C
An Internet Gateway
Why wrong: An Internet Gateway enables general outbound internet access but requires public IPs and uses the internet. It does not provide a private or cost-optimized path to S3.
- D
VPC Peering
Why wrong: VPC Peering connects two VPCs, allowing private IP communication between them. It does not provide access to a service endpoint like S3.
Question 1,387 of 1,546
SOA-C02 VPC Gateway Endpoint Practice Question
This SOA-C02 practice question tests your understanding of networking and content delivery. 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. 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 public and private subnets. An Application Load Balancer (ALB) is in the public subnets, and Amazon EC2 instances are in the private subnets. The SysOps administrator needs to allow the EC2 instances to access an Amazon S3 bucket in the same AWS Region without traversing the internet. Which solution should the administrator implement?
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
✓
A VPC Gateway Endpoint for S3
A VPC Gateway Endpoint for S3 allows EC2 instances in private subnets to access S3 buckets privately using AWS's internal network, without traversing the internet. This endpoint uses prefix lists and route table entries to direct S3 traffic through the AWS backbone, ensuring low latency and no data transfer costs.
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.
- ✓
A VPC Gateway Endpoint for S3
- ✗
A NAT Gateway
- ✗
An Internet Gateway
- ✗
VPC Peering
Why it's wrong here
VPC Peering connects two VPCs, allowing private IP communication between them. It does not provide access to a service endpoint like S3.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often choose a NAT Gateway or Internet Gateway because they think outbound traffic to AWS services must go through the internet, but Gateway Endpoints provide a private, cost-effective alternative for S3 and DynamoDB access within the same region.
Detailed technical explanation
How to think about this question
A Gateway Endpoint for S3 works by adding a route in the VPC route table that points the S3 prefix list (e.g., com.amazonaws.us-east-1.s3) to the endpoint ID. Traffic to S3 is then routed over the AWS private network, bypassing the internet. This endpoint supports only S3 and DynamoDB, and it does not require changes to the EC2 instances' security groups or network ACLs beyond allowing outbound HTTPS (443) traffic.
KKey Concepts to Remember
- VPC Gateway Endpoint
- Prefix List
- Private Subnet Access
- Cost Efficiency
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 startup's cloud architect reviews their monthly bill and notices costs are higher than expected for a long-running batch job. Switching from on-demand instances to Reserved Instances — or using Spot/Preemptible VMs — can reduce compute costs by up to 72 %. Questions like this test whether you understand the tradeoffs between commitment, flexibility, and cost across cloud pricing models.
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 SOA-C02 questions on the same topic to reinforce the concept.
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Networking and Content Delivery — study guide chapter
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FAQ
Questions learners often ask
What does this SOA-C02 question test?
Networking and Content Delivery — This question tests Networking and Content Delivery — VPC Gateway Endpoint.
What is the correct answer to this question?
The correct answer is: A VPC Gateway Endpoint for S3 — A VPC Gateway Endpoint for S3 allows EC2 instances in private subnets to access S3 buckets privately using AWS's internal network, without traversing the internet. This endpoint uses prefix lists and route table entries to direct S3 traffic through the AWS backbone, ensuring low latency and no data transfer costs.
What should I do if I get this SOA-C02 question wrong?
Review vPC Gateway Endpoint, then practise related SOA-C02 questions on the same topic to reinforce the concept.
What is the key concept behind this question?
VPC Gateway Endpoint
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Last reviewed: Jun 11, 2026
This SOA-C02 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 SOA-C02 exam.
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