- A
Amazon CloudFront with Application Load Balancer as the origin
Correct. Amazon CloudFront is a global content delivery network (CDN) that can cache static content at edge locations closer to users. It also supports dynamic content by forwarding requests to the origin, which can be an Application Load Balancer. This meets both the caching and origin integration requirements.
- B
Amazon Route 53 with latency-based routing
Why wrong: Incorrect. Amazon Route 53 with latency-based routing directs user traffic to the region that provides the lowest latency, but it does not cache content at edge locations. Static content would still be served from the origin server, not reducing load times for frequently accessed assets.
- C
AWS Global Accelerator with static IP addresses
Why wrong: Incorrect. AWS Global Accelerator improves performance by directing traffic over the AWS global network to the optimal endpoint, but it does not cache content. It is designed for TCP/UDP traffic and can accelerate both static and dynamic content, but without caching, static assets are not served from edge locations.
- D
Amazon S3 Transfer Acceleration
Why wrong: Incorrect. Amazon S3 Transfer Acceleration speeds up uploads to S3 buckets over long distances by using AWS edge locations, but it is used for uploading objects to S3, not for serving cached content to end users. It does not integrate with an Application Load Balancer for dynamic 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 behind an Application Load Balancer in the us-east-1 Region. The website includes both static assets (product images, CSS files) and dynamic content (user-specific cart data). The company has customers all over the world who complain about slow page load times. The company wants to reduce latency by caching static content closer to users while still allowing dynamic requests to reach the origin. Which AWS service should the company use to meet these requirements?
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
Amazon CloudFront with Application Load Balancer as the origin
Amazon CloudFront is a content delivery network (CDN) that caches static content (e.g., images, CSS) at edge locations worldwide, reducing latency for users. By configuring the Application Load Balancer as the origin, CloudFront forwards dynamic requests (e.g., cart data) to the ALB, which then routes them to the EC2 instances. This hybrid approach meets the requirement to cache static assets globally while allowing dynamic content to be processed by the origin servers.
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.
- ✓
Amazon CloudFront with Application Load Balancer as the origin
Why this is correct
Correct. Amazon CloudFront is a global content delivery network (CDN) that can cache static content at edge locations closer to users. It also supports dynamic content by forwarding requests to the origin, which can be an Application Load Balancer. This meets both the caching and origin integration requirements.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Amazon Route 53 with latency-based routing
Why it's wrong here
Incorrect. Amazon Route 53 with latency-based routing directs user traffic to the region that provides the lowest latency, but it does not cache content at edge locations. Static content would still be served from the origin server, not reducing load times for frequently accessed assets.
- ✗
AWS Global Accelerator with static IP addresses
Why it's wrong here
Incorrect. AWS Global Accelerator improves performance by directing traffic over the AWS global network to the optimal endpoint, but it does not cache content. It is designed for TCP/UDP traffic and can accelerate both static and dynamic content, but without caching, static assets are not served from edge locations.
- ✗
Amazon S3 Transfer Acceleration
Why it's wrong here
Incorrect. Amazon S3 Transfer Acceleration speeds up uploads to S3 buckets over long distances by using AWS edge locations, but it is used for uploading objects to S3, not for serving cached content to end users. It does not integrate with an Application Load Balancer for dynamic content.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates confuse AWS Global Accelerator's network optimization (which only reduces latency for all traffic via the AWS backbone) with CloudFront's caching capability, mistakenly thinking Global Accelerator can cache static content when it cannot.
Detailed technical explanation
How to think about this question
CloudFront supports both cache behaviors and origin groups, allowing you to define path patterns (e.g., /images/*) to cache static content at edge locations while forwarding other requests (e.g., /cart/*) to the ALB. Under the hood, CloudFront uses HTTP/2 and TLS termination at the edge, and it can serve cached content directly from the edge cache (e.g., 10,000+ edge locations) without hitting the origin, reducing latency by up to 50% for static assets. A real-world scenario: an e-commerce site with product images cached at the edge can load them in under 100ms for users in Asia, while dynamic cart data still takes 300ms from the origin in us-east-1.
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.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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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: Amazon CloudFront with Application Load Balancer as the origin — Amazon CloudFront is a content delivery network (CDN) that caches static content (e.g., images, CSS) at edge locations worldwide, reducing latency for users. By configuring the Application Load Balancer as the origin, CloudFront forwards dynamic requests (e.g., cart data) to the ALB, which then routes them to the EC2 instances. This hybrid approach meets the requirement to cache static assets globally while allowing dynamic content to be processed by the origin servers.
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 →
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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