- A
Amazon CloudFront
Amazon CloudFront is a global content delivery network (CDN) that caches static assets at edge locations near users, reducing latency and offloading from the origin S3 bucket.
- B
S3 Transfer Acceleration
Why wrong: S3 Transfer Acceleration speeds up uploads to S3 over long distances using edge locations, but it does not improve download performance for end users retrieving content.
- C
Add more Amazon EC2 instances in different regions
Why wrong: Adding EC2 instances does not directly address the distribution of static assets. It would require replicating data and managing a multi-region deployment, which is more complex and not the purpose of EC2.
- D
Application Load Balancer with cross-zone load balancing
Why wrong: An Application Load Balancer distributes incoming traffic across multiple targets within a single region. It does not serve content from edge locations globally and does not improve latency for users far from the origin.
Quick Answer
The answer is Amazon CloudFront, the correct choice because it acts as a content delivery network (CDN) that caches your S3 static assets—like product images, CSS, and JavaScript—at edge locations around the world. When a user requests a file, CloudFront serves it from the nearest edge location instead of the origin S3 bucket, drastically reducing latency without requiring any application rearchitecture or bucket relocation. On the AWS Certified Cloud Practitioner CLF-C02 exam, this scenario tests your understanding of how CloudFront integrates directly with S3 to solve global performance issues, often appearing as a straightforward question where the trap is choosing S3 Transfer Acceleration (which speeds up uploads, not global distribution) or multiple S3 buckets (which would require rearchitecture). Remember the key distinction: CloudFront is for fast reads to end users, while S3 is for durable storage. A simple memory tip is “CloudFront brings the content to the customer’s front door,” so when you see “reduce latency” and “global users” together, think CDN first.
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 operates a global e-commerce website with static assets (product images, CSS, JavaScript) stored in an Amazon S3 bucket. Users in different geographic regions report slow page load times. The company wants to reduce latency without rearchitecting the application or moving the S3 bucket. Which AWS service should the company use to distribute the static assets closer to users?
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
Amazon CloudFront is a content delivery network (CDN) that caches static assets at edge locations worldwide, significantly reducing latency for users by serving content from the nearest edge location rather than from the origin S3 bucket. It integrates directly with S3 without requiring any application rearchitecture or bucket relocation, making it the ideal solution for this use case.
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
Why this is correct
Amazon CloudFront is a global content delivery network (CDN) that caches static assets at edge locations near users, reducing latency and offloading from the origin S3 bucket.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
S3 Transfer Acceleration
Why it's wrong here
S3 Transfer Acceleration speeds up uploads to S3 over long distances using edge locations, but it does not improve download performance for end users retrieving content.
- ✗
Add more Amazon EC2 instances in different regions
Why it's wrong here
Adding EC2 instances does not directly address the distribution of static assets. It would require replicating data and managing a multi-region deployment, which is more complex and not the purpose of EC2.
- ✗
Application Load Balancer with cross-zone load balancing
Why it's wrong here
An Application Load Balancer distributes incoming traffic across multiple targets within a single region. It does not serve content from edge locations globally and does not improve latency for users far from the origin.
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 choose Option B even though it does not address the latency problem for end users.
Detailed technical explanation
How to think about this question
CloudFront uses a global network of over 600 Points of Presence (PoPs) to cache content at the edge, reducing round-trip time (RTT) for users. It supports HTTP/2 and HTTP/3 (QUIC) for faster content delivery, and can be configured with custom cache behaviors, TTLs, and origin failover. A subtle behavior is that CloudFront can also serve dynamic content by forwarding requests to the origin, but for static assets, it dramatically reduces load on the S3 bucket by serving cached copies.
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: Amazon CloudFront — Amazon CloudFront is a content delivery network (CDN) that caches static assets at edge locations worldwide, significantly reducing latency for users by serving content from the nearest edge location rather than from the origin S3 bucket. It integrates directly with S3 without requiring any application rearchitecture or bucket relocation, making it the ideal solution for this use case.
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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