The correct action is to create an S3 Gateway Endpoint in the VPC and route S3 traffic through a private VIF attached to the VPC. This reduces latency because a Gateway Endpoint keeps S3 traffic entirely within the AWS network, bypassing the public internet and the public VIF’s reliance on internet-routable paths, which can become congested during peak hours even if the physical Direct Connect link is not saturated. On the AWS Certified Advanced Networking Specialty ANS-C01 exam, this scenario tests your understanding of how to optimize hybrid connectivity by combining a private VIF with VPC endpoints, a common trap being to assume a public VIF is always the best choice for AWS public services. A key memory tip: for S3 and DynamoDB, always think “Gateway Endpoint over private VIF” to keep traffic on the AWS backbone and avoid internet transit latency.
ANS-C01 Network Management and Operations Practice Question
This ANS-C01 practice question tests your understanding of network management and operations. 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 uses AWS Direct Connect with a public VIF to access Amazon S3. The network team notices that the latency to S3 increases significantly during peak hours. They have tested the connection and confirmed that the physical link is not saturated. The company uses a single Direct Connect connection. The S3 traffic is routed over the public VIF. The team wants to improve performance without adding a new Direct Connect connection. Which action should the team take to reduce latency?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Create an S3 Gateway Endpoint in the VPC and route S3 traffic through a private VIF attached to the VPC.
Using a Direct Connect gateway allows you to connect to multiple VPCs and also to AWS public services via a private VIF. However, for S3, you can use a private VIF with a VPC interface endpoint (Gateway Endpoint for S3) to keep traffic within the AWS network and avoid internet transit. This reduces latency because traffic goes from Direct Connect to the VPC and then to S3 via the gateway endpoint. Option B (adding VPN) adds IPSec overhead. Option C uses a different AWS region, which may increase latency. Option D (adding a second Direct Connect) is not allowed per the question.
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.
✗
Use an AWS Site-to-Site VPN connection over the Direct Connect to access S3 via private IP.
Why it's wrong here
Adds overhead and may reduce performance.
✗
Add a second Direct Connect connection to load balance traffic.
Why it's wrong here
Not allowed per question; also may not reduce latency if the issue is routing.
✗
Configure the Direct Connect public VIF to use a different AWS region closer to the on-premises location.
Why it's wrong here
S3 is global, but routing to a different region may increase latency.
✓
Create an S3 Gateway Endpoint in the VPC and route S3 traffic through a private VIF attached to the VPC.
Why this is correct
Gateway Endpoint keeps traffic within AWS and reduces latency compared to public VIF.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Detailed technical explanation
How to think about this question
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
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.
Use explanations to understand the rule behind the answer.
TExam Day Tips
→Underline the problem statement mentally.
→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.
What to study next
Got this wrong? Here's your next step.
Identify which ANS-C01 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
Network Management and Operations — This question tests Network Management and Operations — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Create an S3 Gateway Endpoint in the VPC and route S3 traffic through a private VIF attached to the VPC. — Using a Direct Connect gateway allows you to connect to multiple VPCs and also to AWS public services via a private VIF. However, for S3, you can use a private VIF with a VPC interface endpoint (Gateway Endpoint for S3) to keep traffic within the AWS network and avoid internet transit. This reduces latency because traffic goes from Direct Connect to the VPC and then to S3 via the gateway endpoint. Option B (adding VPN) adds IPSec overhead. Option C uses a different AWS region, which may increase latency. Option D (adding a second Direct Connect) is not allowed per the question.
What should I do if I get this ANS-C01 question wrong?
Identify which ANS-C01 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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