- A
A larger S3 bucket
Why wrong: Bucket size does not affect user latency.
- B
Amazon CloudFront distribution with the S3 bucket as origin
CloudFront caches content at edge locations close to users, reducing latency.
- C
RDS read replicas
Why wrong: Read replicas do not accelerate static content delivery from S3.
- D
An EC2 Auto Scaling group in one Region
Why wrong: More EC2 instances do not cache static S3 content globally.
Question 151 of 1,040
SAA-C03 Design High-Performing Architectures Practice Question
This SAA-C03 practice question tests your understanding of design high-performing architectures. 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. A key principle to apply: cloudFront uses edge locations to cache content globally.. 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 global video platform serves mostly static images and JavaScript files from an S3 origin. Users in distant countries report slow load times. What should improve performance most? The architecture review board prefers a managed AWS-native control.
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 distribution with the S3 bucket as origin
Amazon CloudFront is a global content delivery network (CDN) that caches static content (images, JavaScript) at edge locations closer to users, drastically reducing latency for distant countries. By using the S3 bucket as the origin, CloudFront offloads requests from S3 and accelerates delivery via HTTP/2, TCP optimizations, and persistent connections. This is the most effective managed AWS-native solution for improving global load times for static assets.
Key principle: CloudFront uses edge locations to cache content globally.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
A larger S3 bucket
Why it's wrong here
Bucket size does not affect user latency.
- ✓
Amazon CloudFront distribution with the S3 bucket as origin
Why this is correct
CloudFront caches content at edge locations close to users, reducing latency.
Related concept
CloudFront uses edge locations to cache content globally.
- ✗
RDS read replicas
Why it's wrong here
Read replicas do not accelerate static content delivery from S3.
- ✗
An EC2 Auto Scaling group in one Region
Why it's wrong here
More EC2 instances do not cache static S3 content globally.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates may confuse scaling storage (larger bucket) or compute (Auto Scaling) with performance improvement, overlooking that latency for static content is primarily a network distance problem solved by a CDN like CloudFront.
Detailed technical explanation
How to think about this question
CloudFront leverages over 600 Points of Presence (PoPs) globally, using regional edge caches to reduce load on the origin and improve cache hit ratios. It supports custom SSL/TLS termination at the edge, reducing the number of round trips for TLS handshakes. In practice, for a global video platform, CloudFront can also integrate with AWS WAF for security and Lambda@Edge for custom logic at the edge.
KKey Concepts to Remember
- CloudFront uses edge locations to cache content globally.
- It reduces latency by serving content from the nearest edge location.
- CloudFront can use an S3 bucket as an origin for static content.
- It is a fully managed AWS Content Delivery Network (CDN) service.
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
CloudFront uses edge locations to cache content globally.
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.
Visual reference
Quick reference
AWS S3 Storage Class Comparison
| Storage Class | Min Duration | Retrieval | Use Case |
|---|---|---|---|
| S3 Standard | None | Immediate | Frequently accessed data |
| S3 Standard-IA | 30 days | Immediate | Infrequent access, rapid retrieval |
| S3 One Zone-IA | 30 days | Immediate | Non-critical infrequent data |
| S3 Intelligent-Tiering | None | Immediate–hours | Unknown or changing access patterns |
| S3 Glacier Instant | 90 days | Milliseconds | Archive with instant retrieval |
| S3 Glacier Flexible | 90 days | Minutes–hours | Archive, flexible retrieval |
| S3 Glacier Deep Archive | 180 days | Hours | Long-term compliance archive |
What to study next
Got this wrong? Here's your next step.
Review cloudFront uses edge locations to cache content globally., then practise related SAA-C03 questions on the same topic to reinforce the concept.
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FAQ
Questions learners often ask
What does this SAA-C03 question test?
Design High-Performing Architectures — This question tests Design High-Performing Architectures — CloudFront uses edge locations to cache content globally..
What is the correct answer to this question?
The correct answer is: Amazon CloudFront distribution with the S3 bucket as origin — Amazon CloudFront is a global content delivery network (CDN) that caches static content (images, JavaScript) at edge locations closer to users, drastically reducing latency for distant countries. By using the S3 bucket as the origin, CloudFront offloads requests from S3 and accelerates delivery via HTTP/2, TCP optimizations, and persistent connections. This is the most effective managed AWS-native solution for improving global load times for static assets.
What should I do if I get this SAA-C03 question wrong?
Review cloudFront uses edge locations to cache content globally., then practise related SAA-C03 questions on the same topic to reinforce the concept.
What is the key concept behind this question?
CloudFront uses edge locations to cache content globally.
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Last reviewed: Jun 11, 2026
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