- A
Regional Edge Caches
Why wrong: Regional Edge Caches are an intermediate cache layer used with CloudFront, but they are not the primary component for delivering content with the lowest latency to global users; edge locations are closer to users.
- B
Availability Zones
Why wrong: Availability Zones are isolated data centers within an AWS Region, designed for high availability and fault tolerance of compute and storage resources, not for caching content at the edge.
- C
Edge Locations
Edge locations are a key part of the AWS global infrastructure, used by services like Amazon CloudFront to cache content geographically close to end users, minimizing latency and improving performance.
- D
AWS Outposts
Why wrong: AWS Outposts brings native AWS services to on-premises data centers; it is not used for globally distributed content caching or delivery.
CLF-C02 Cloud Concepts Practice Question
This CLF-C02 practice question tests your understanding of cloud concepts. 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's website serves static content—such as images, videos, and CSS files—to a global audience. The company wants to reduce load times for users located far from the primary AWS Region where the application is hosted. Which component of the AWS global infrastructure is specifically designed to cache and deliver this content with low latency from locations close to end users?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue:
"primary"Why it matters: Asks for the main purpose or function, not a secondary benefit. Eliminate answers that describe side-effects or partial functions.
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
Edge Locations
Edge Locations are part of AWS CloudFront, a content delivery network (CDN) that caches static content (e.g., images, videos, CSS) at geographically distributed points of presence (PoPs). When a user requests content, CloudFront serves it from the nearest Edge Location, reducing latency and improving load times for global audiences. This makes Edge Locations the correct choice for caching and delivering static content with low latency.
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.
- ✗
Regional Edge Caches
Why it's wrong here
Regional Edge Caches are an intermediate cache layer used with CloudFront, but they are not the primary component for delivering content with the lowest latency to global users; edge locations are closer to users.
When this WOULD be correct
A question asking which AWS feature reduces latency for content that is not popular enough to be cached at edge locations but still needs faster delivery than from the origin region, or a scenario involving dynamic content that requires regional caching.
- ✗
Availability Zones
Why it's wrong here
Availability Zones are isolated data centers within an AWS Region, designed for high availability and fault tolerance of compute and storage resources, not for caching content at the edge.
When this WOULD be correct
A question asking which AWS infrastructure component provides redundancy and fault tolerance for an application by deploying across physically isolated locations within a single region would have Availability Zones as the correct answer.
- ✓
Edge Locations
Why this is correct
Edge locations are a key part of the AWS global infrastructure, used by services like Amazon CloudFront to cache content geographically close to end users, minimizing latency and improving performance.
Clue confirmation
The clue word "primary" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
AWS Outposts
Why it's wrong here
AWS Outposts brings native AWS services to on-premises data centers; it is not used for globally distributed content caching or delivery.
When this WOULD be correct
A company needs to run a latency-sensitive application on-premises that must integrate with AWS services, such as a manufacturing execution system that requires local processing of sensor data with sub-millisecond response times. AWS Outposts would be the correct choice to bring AWS infrastructure to the customer's data center.
Option-by-option analysis
Why each answer is right or wrong
Understanding why wrong answers are wrong — and when they would be correct — is what separates a 750 score from a 900. The CLF-C02 exam frequently reuses these exact scenarios with slightly different constraints.
✓Edge LocationsCorrect answer▾
Why this is correct
Edge locations are a key part of the AWS global infrastructure, used by services like Amazon CloudFront to cache content geographically close to end users, minimizing latency and improving performance.
✗Regional Edge CachesWrong answer — click to see why▾
Why this is wrong here
Regional Edge Caches are used to cache content that is not accessed frequently enough to remain in edge locations, but they still serve a regional scope, not the globally distributed low-latency delivery from locations closest to end users that Edge Locations provide.
★ When this WOULD be the correct answer
A question asking which AWS feature reduces latency for content that is not popular enough to be cached at edge locations but still needs faster delivery than from the origin region, or a scenario involving dynamic content that requires regional caching.
Why candidates choose this
Candidates may confuse Regional Edge Caches with Edge Locations because both are part of the CloudFront caching hierarchy, and the term 'regional' might seem to imply global distribution, but Regional Edge Caches are not the closest to end users.
✗Availability ZonesWrong answer — click to see why▾
Why this is wrong here
Availability Zones are physically separate data centers within an AWS Region, designed for high availability and fault tolerance, not for caching and delivering content with low latency from edge locations close to end users.
★ When this WOULD be the correct answer
A question asking which AWS infrastructure component provides redundancy and fault tolerance for an application by deploying across physically isolated locations within a single region would have Availability Zones as the correct answer.
Why candidates choose this
Candidates may confuse Availability Zones with edge locations because both involve geographic distribution, but Availability Zones are regional and not optimized for content delivery to global users.
✗AWS OutpostsWrong answer — click to see why▾
Why this is wrong here
AWS Outposts extend AWS infrastructure and services to on-premises or edge locations, but they are not designed for caching and delivering static content globally with low latency. They are used for workloads that require low latency to on-premises systems or local data processing, not for content delivery via a global cache network.
★ When this WOULD be the correct answer
A company needs to run a latency-sensitive application on-premises that must integrate with AWS services, such as a manufacturing execution system that requires local processing of sensor data with sub-millisecond response times. AWS Outposts would be the correct choice to bring AWS infrastructure to the customer's data center.
Why candidates choose this
Candidates may confuse 'edge' in AWS Outposts (which refers to on-premises edge locations) with the 'edge locations' used by CloudFront for content delivery, leading them to think Outposts can serve cached content globally.
Analysis generated from the official CLF-C02blueprint and verified against question context. The “when correct” sections are what AI assistants cite when candidates ask “what’s the difference between these options?”
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates confuse Regional Edge Caches with Edge Locations, thinking that Regional Edge Caches are the primary caching layer for end users, when in fact Edge Locations are the outermost, lowest-latency layer in the CloudFront hierarchy.
Detailed technical explanation
How to think about this question
CloudFront Edge Locations use a pull-through caching mechanism: when a user requests content, the Edge Location checks its cache; if missing (cache miss), it fetches the content from the origin (or a Regional Edge Cache if configured) and then serves it. Regional Edge Caches have larger caches than Edge Locations and are used to reduce the number of requests to the origin, but they are located in the same AWS Region as the origin, not near end users. For truly global low-latency delivery, Edge Locations are the closest PoPs, often within single-digit milliseconds of users in major population centers.
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.
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 Concepts — This question tests Cloud Concepts — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Edge Locations — Edge Locations are part of AWS CloudFront, a content delivery network (CDN) that caches static content (e.g., images, videos, CSS) at geographically distributed points of presence (PoPs). When a user requests content, CloudFront serves it from the nearest Edge Location, reducing latency and improving load times for global audiences. This makes Edge Locations the correct choice for caching and delivering static content with low latency.
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.
Are there clue words in this question I should notice?
Yes — watch for: "primary". Asks for the main purpose or function, not a secondary benefit. Eliminate answers that describe side-effects or partial functions.
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 →
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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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