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 is designing a network for a real-time gaming application that requires low latency and high throughput between game servers in multiple regions. The application uses UDP traffic. Which AWS service should be used to route traffic between regions?
AWS Transit Gateway
Why wrong: Transit Gateway is for regional VPC connectivity.
AWS Global Accelerator
Supports UDP and TCP, provides anycast IPs.
Amazon CloudFront
Why wrong: CloudFront only supports HTTP/HTTPS.
Amazon Route 53
Why wrong: Route 53 is DNS-based, not for UDP traffic routing.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
AWS Global Accelerator
AWS Global Accelerator uses the Anycast IP address and the AWS global network to route UDP traffic from users to the optimal regional endpoint, minimizing latency and jitter. It is designed for real-time applications like gaming that require low-latency and high-throughput UDP traffic between regions, as it bypasses the public internet and leverages AWS's internal backbone.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
Common exam traps
The trap here is that candidates often confuse Amazon Route 53's latency-based routing with actual network path optimization, but Route 53 only controls DNS resolution and does not accelerate or route the UDP traffic itself after the initial connection.
Detailed technical explanation
AWS Global Accelerator uses static Anycast IP addresses that are announced from multiple AWS edge locations, so traffic enters the AWS global network at the closest edge point and is then routed over the optimized AWS backbone to the nearest healthy endpoint. This reduces first-hop latency and avoids internet congestion, which is critical for real-time UDP-based gaming where packet loss and jitter directly impact user experience. The service also provides automatic failover and health checks, ensuring high availability without requiring changes to client applications.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A healthcare organisation deploys an application with a public-facing web tier and a private database tier. The database subnet has no public IP and only accepts connections from the web tier's security group. Questions like this test whether you can design cloud network isolation using VNets/VPCs, subnets, and security group rules.
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FAQ
Network Design — This question tests Network Design — Read the scenario before looking for a memorised answer..
The correct answer is: AWS Global Accelerator — AWS Global Accelerator uses the Anycast IP address and the AWS global network to route UDP traffic from users to the optimal regional endpoint, minimizing latency and jitter. It is designed for real-time applications like gaming that require low-latency and high-throughput UDP traffic between regions, as it bypasses the public internet and leverages AWS's internal backbone.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 24, 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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