- A
Deploy the website on additional Amazon EC2 instances in the eu-west-1 and ap-southeast-1 Regions, and use a Network Load Balancer to distribute traffic across all Regions.
Why wrong: This approach requires managing multiple origin servers and does not leverage edge caching. It is more complex and costly, and still may not provide the same performance benefit as a CDN for static assets.
- B
Use Amazon CloudFront to distribute the static assets from AWS edge locations.
CloudFront caches static content at edge locations around the world. When a user requests a file, CloudFront serves it from the nearest edge location, reducing latency and improving load times without any changes to the origin application.
- C
Use Amazon Route 53 with geolocation routing policies to route users to the nearest AWS Region for the website.
Why wrong: Route 53 geolocation routing directs DNS queries to the appropriate origin based on the user's location, but the origin servers remain in a single Region or few Regions. It does not cache content, so users still experience latency from the origin server's location.
- D
Enable S3 Transfer Acceleration on the Amazon S3 bucket that stores the static assets.
Why wrong: S3 Transfer Acceleration improves upload speeds to S3 buckets over long distances by using AWS edge locations. It is not designed for accelerating downloads or serving cached content to end users.
Quick Answer
The answer is Amazon CloudFront, the correct choice because it acts as a content delivery network that caches static assets like images, CSS, and JavaScript at edge locations worldwide, dramatically reducing latency for global users without requiring any code changes or additional origin servers. This directly addresses the need to improve static asset delivery for global users by serving content from the nearest edge location rather than the single us-east-1 origin, which is why users in Europe and Asia experienced slow load times. On the AWS Certified Cloud Practitioner CLF-C02 exam, this scenario tests your understanding of how CloudFront solves global performance issues versus scaling the origin itself, with a common trap being to suggest adding more EC2 instances or using a different region—both of which require code or infrastructure changes. Remember the memory tip: CloudFront brings content to the front of the user, not the user to the content.
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 an e-commerce website on Amazon EC2 instances in the us-east-1 Region. The website serves static assets (images, CSS, and JavaScript) to a global user base. Users in Europe and Asia report slow page load times. The company needs to improve the performance of delivering these static assets to all users without modifying the application code or provisioning additional origin servers. 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
Use Amazon CloudFront to distribute the static assets from AWS edge locations.
Amazon CloudFront is a content delivery network (CDN) that caches static assets at AWS edge locations worldwide, reducing latency for global users without requiring code changes or additional origin servers. It integrates seamlessly with EC2 origins and automatically serves content from the nearest edge location, directly addressing the slow page load times reported in Europe and Asia.
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.
- ✗
Deploy the website on additional Amazon EC2 instances in the eu-west-1 and ap-southeast-1 Regions, and use a Network Load Balancer to distribute traffic across all Regions.
Why it's wrong here
This approach requires managing multiple origin servers and does not leverage edge caching. It is more complex and costly, and still may not provide the same performance benefit as a CDN for static assets.
- ✓
Use Amazon CloudFront to distribute the static assets from AWS edge locations.
Why this is correct
CloudFront caches static content at edge locations around the world. When a user requests a file, CloudFront serves it from the nearest edge location, reducing latency and improving load times without any changes to the origin application.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Use Amazon Route 53 with geolocation routing policies to route users to the nearest AWS Region for the website.
Why it's wrong here
Route 53 geolocation routing directs DNS queries to the appropriate origin based on the user's location, but the origin servers remain in a single Region or few Regions. It does not cache content, so users still experience latency from the origin server's location.
- ✗
Enable S3 Transfer Acceleration on the Amazon S3 bucket that stores the static assets.
Why it's wrong here
S3 Transfer Acceleration improves upload speeds to S3 buckets over long distances by using AWS edge locations. It is not designed for accelerating downloads or serving cached content to end users.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse S3 Transfer Acceleration (which optimizes uploads to S3) with a CDN service (which optimizes downloads to users), leading them to select Option D even though the question explicitly asks about delivering static assets to a global user base.
Detailed technical explanation
How to think about this question
CloudFront uses a global network of over 600 Points of Presence (PoPs) to cache static assets via HTTP/HTTPS, reducing origin load and latency through edge caching and TCP optimizations like keep-alive and TLS termination. Under the hood, CloudFront supports custom origin headers, cache behaviors based on URL patterns, and automatic invalidation, which allows the company to serve static assets without modifying the EC2-based application. In a real-world scenario, this is critical for e-commerce sites where milliseconds of delay can significantly impact conversion rates, especially for users far from the origin region.
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 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.
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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: Use Amazon CloudFront to distribute the static assets from AWS edge locations. — Amazon CloudFront is a content delivery network (CDN) that caches static assets at AWS edge locations worldwide, reducing latency for global users without requiring code changes or additional origin servers. It integrates seamlessly with EC2 origins and automatically serves content from the nearest edge location, directly addressing the slow page load times reported in Europe and Asia.
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
Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →
Same concept, more angles
1 more ways this is tested on CLF-C02
These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.
Variation 1. A company runs a global e-commerce website hosted on Amazon EC2 instances in the us-west-2 Region. The website includes static assets (product images, CSS, JavaScript) and dynamic content generated by the application. The company wants to improve page load times for users in Europe and Asia by caching static content at edge locations, while also reducing the direct load on the EC2 instances. Which AWS service should the company use?
medium- ✓ A.Amazon CloudFront
- B.AWS Global Accelerator
- C.Amazon Route 53
- D.AWS Direct Connect
Why A: Amazon CloudFront is a content delivery network (CDN) that caches static assets (images, CSS, JavaScript) at edge locations worldwide, reducing latency for users in Europe and Asia. By offloading static content delivery from the origin EC2 instances, CloudFront directly reduces the load on those servers, improving overall performance and scalability.
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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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