- A
AWS Global Accelerator
AWS Global Accelerator uses the global AWS network to direct traffic to the nearest healthy endpoint via static Anycast IP addresses. It improves performance for global users by minimizing latency and provides automatic failover. This matches all requirements.
- B
Amazon CloudFront
Why wrong: Amazon CloudFront is a content delivery network (CDN) that caches content at edge locations to reduce latency for static and dynamic content. However, it does not provide static Anycast IP addresses for routing to regional application endpoints; it uses its own domain with edge locations. It is not designed for the described use case of directing users to specific regional EC2 instances with fixed IPs.
- C
Amazon Route 53
Why wrong: Amazon Route 53 offers DNS services with routing policies like latency-based or geolocation routing. However, DNS-based routing relies on client DNS caching and does not provide static Anycast IP addresses. Route 53 can route users to different regions but introduces potential DNS delays and is not optimized for sub-second traffic management as Global Accelerator is.
- D
AWS Shield
Why wrong: AWS Shield provides managed DDoS protection for AWS resources. It does not handle traffic routing, latency optimization, or provide static Anycast IP addresses. It is a security service, not a traffic management service.
CLF-C02 Cloud Technology and Services Practice Question
This CLF-C02 practice question tests your understanding of cloud technology and services. 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 hosts a web application on Amazon EC2 instances in two AWS Regions: us-east-1 and eu-west-1. The application serves a global user base. The company wants to improve performance by directing users to the nearest healthy regional endpoint with minimal latency. Additionally, the company requires two static Anycast IP addresses that remain constant, representing the application entry point. The solution should automatically reroute traffic if a regional endpoint becomes unhealthy. Which AWS service should the company use?
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
AWS Global Accelerator
AWS Global Accelerator is correct because it uses the AWS global network and Anycast static IP addresses to route user traffic to the nearest healthy regional endpoint (EC2 instances in us-east-1 or eu-west-1). It automatically reroutes traffic if an endpoint becomes unhealthy, providing low latency and high availability for global users.
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.
- ✓
AWS Global Accelerator
Why this is correct
AWS Global Accelerator uses the global AWS network to direct traffic to the nearest healthy endpoint via static Anycast IP addresses. It improves performance for global users by minimizing latency and provides automatic failover. This matches all requirements.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Amazon CloudFront
Why it's wrong here
Amazon CloudFront is a content delivery network (CDN) that caches content at edge locations to reduce latency for static and dynamic content. However, it does not provide static Anycast IP addresses for routing to regional application endpoints; it uses its own domain with edge locations. It is not designed for the described use case of directing users to specific regional EC2 instances with fixed IPs.
- ✗
Amazon Route 53
Why it's wrong here
Amazon Route 53 offers DNS services with routing policies like latency-based or geolocation routing. However, DNS-based routing relies on client DNS caching and does not provide static Anycast IP addresses. Route 53 can route users to different regions but introduces potential DNS delays and is not optimized for sub-second traffic management as Global Accelerator is.
- ✗
AWS Shield
Why it's wrong here
AWS Shield provides managed DDoS protection for AWS resources. It does not handle traffic routing, latency optimization, or provide static Anycast IP addresses. It is a security service, not a traffic management service.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse Global Accelerator with CloudFront or Route 53, thinking DNS-based routing or CDN caching can provide static Anycast IPs and instant failover, but only Global Accelerator offers fixed Anycast addresses with automatic traffic rerouting at the network layer.
Detailed technical explanation
How to think about this question
AWS Global Accelerator leverages Anycast IP addresses that are announced from multiple AWS edge locations, so traffic automatically goes to the nearest edge point and then travels over the AWS global network to the optimal regional endpoint. It uses TCP/UDP health checks and endpoint weights to reroute traffic within seconds if an endpoint becomes unhealthy, unlike DNS-based solutions that are affected by TTL caching.
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
An e-commerce site experiences heavy traffic on Black Friday and near-zero traffic during off-peak weeks. Rather than provisioning permanent large VMs, the team uses auto-scaling groups that add capacity automatically under load and reduce it overnight. Questions like this test whether you understand elasticity, availability zones, and cloud compute scaling patterns.
What to study next
Got this wrong? Here's your next step.
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FAQ
Questions learners often ask
What does this CLF-C02 question test?
Cloud Technology and Services — This question tests Cloud Technology and Services — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: AWS Global Accelerator — AWS Global Accelerator is correct because it uses the AWS global network and Anycast static IP addresses to route user traffic to the nearest healthy regional endpoint (EC2 instances in us-east-1 or eu-west-1). It automatically reroutes traffic if an endpoint becomes unhealthy, providing low latency and high availability for global users.
What should I do if I get this CLF-C02 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.
About these practice questions
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Last reviewed: Jun 11, 2026
This CLF-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 CLF-C02 exam.
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