- A
Gateway Endpoints can be used to access Amazon S3 and DynamoDB.
Only S3 and DynamoDB have Gateway Endpoints.
- B
Interface Endpoints are free of charge.
Why wrong: There are hourly charges and data processing fees.
- C
Gateway Endpoints use AWS PrivateLink.
Why wrong: Gateway Endpoints are route-based; PrivateLink is used for Interface Endpoints.
- D
Both Gateway and Interface Endpoints require a NAT gateway.
Why wrong: Endpoints work without NAT; they provide private connectivity.
- E
Interface Endpoints are powered by AWS PrivateLink.
PrivateLink enables Interface Endpoints.
Question 973 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.
Which TWO of the following are true about AWS VPC endpoints? (Choose two.)
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
✓
Gateway Endpoints can be used to access Amazon S3 and DynamoDB.
Option A is correct because Gateway VPC endpoints allow private connectivity to Amazon S3 and DynamoDB without traversing the internet, using route table entries rather than private IP addresses. This is the only AWS service pair supported by Gateway Endpoints, making them a cost-effective and simple solution for these two services.
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.
- ✓
Gateway Endpoints can be used to access Amazon S3 and DynamoDB.
Why this is correct
Only S3 and DynamoDB have Gateway Endpoints.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Interface Endpoints are free of charge.
Why it's wrong here
There are hourly charges and data processing fees.
- ✗
Gateway Endpoints use AWS PrivateLink.
Why it's wrong here
Gateway Endpoints are route-based; PrivateLink is used for Interface Endpoints.
- ✗
Both Gateway and Interface Endpoints require a NAT gateway.
Why it's wrong here
Endpoints work without NAT; they provide private connectivity.
- ✓
Interface Endpoints are powered by AWS PrivateLink.
Why this is correct
PrivateLink enables Interface Endpoints.
Related concept
Read the scenario before looking for a memorised answer.
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 both use PrivateLink or that Gateway Endpoints support more than just S3 and DynamoDB.
Detailed technical explanation
How to think about this question
Gateway Endpoints function by adding a prefix list for the service (e.g., com.amazonaws.us-east-1.s3) to the VPC route table, directing traffic to the AWS network without leaving the AWS backbone. Interface Endpoints, powered by AWS PrivateLink, create an elastic network interface (ENI) with a private IP in your subnet, enabling traffic to reach supported services via DNS resolution. A real-world scenario: using a Gateway Endpoint for S3 avoids data transfer costs through a NAT gateway, which can be significant for large data lakes.
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 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.
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.
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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: Gateway Endpoints can be used to access Amazon S3 and DynamoDB. — Option A is correct because Gateway VPC endpoints allow private connectivity to Amazon S3 and DynamoDB without traversing the internet, using route table entries rather than private IP addresses. This is the only AWS service pair supported by Gateway Endpoints, making them a cost-effective and simple solution for these two services.
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
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