- A
RDS read replicas
Why wrong: Read replicas do not accelerate static content delivery from S3.
- B
Amazon CloudFront distribution with the S3 bucket as origin
CloudFront caches content at edge locations close to users, reducing latency.
- C
A larger S3 bucket
Why wrong: Bucket size does not affect user latency.
- D
An EC2 Auto Scaling group in one Region
Why wrong: More EC2 instances do not cache static S3 content globally.
Question 284 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: amazon CloudFront is a Content Delivery Network (CDN).. 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 mobile game backend 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 close to users, drastically reducing latency. By using the S3 bucket as the origin, CloudFront offloads requests from S3 and serves cached objects from the nearest edge, which directly addresses slow load times for distant users. This is a managed AWS-native service that aligns with the architecture review board's preference.
Key principle: Amazon CloudFront is a Content Delivery Network (CDN).
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
RDS read replicas
Why it's wrong here
Read replicas do not accelerate static content delivery from S3.
- ✓
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
Amazon CloudFront is a Content Delivery Network (CDN).
- ✗
A larger S3 bucket
Why it's wrong here
Bucket size does not affect user latency.
- ✗
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 think increasing S3 bucket size or using RDS replicas can improve static content delivery, but the core issue is geographic latency, which only a CDN like CloudFront can solve by caching content at edge locations.
Detailed technical explanation
How to think about this question
CloudFront leverages over 600 Points of Presence (PoPs) globally, using HTTP/2 and TCP optimizations like TLS 1.3 and connection reuse to minimize latency. It supports origin shield to reduce load on S3 and can cache objects for configurable TTLs, with cache invalidation via API or versioned URLs. In practice, a game backend serving assets from a single S3 bucket in us-east-1 to users in Australia or Brazil can see latency drop from 200-300ms to under 20ms with CloudFront.
KKey Concepts to Remember
- Amazon CloudFront is a Content Delivery Network (CDN).
- CloudFront caches content at global edge locations.
- It reduces latency for users by serving content from the nearest edge location.
- CloudFront can use an S3 bucket as an origin for static content.
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
Amazon CloudFront is a Content Delivery Network (CDN).
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.
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 amazon CloudFront is a Content Delivery Network (CDN)., 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 — Amazon CloudFront is a Content Delivery Network (CDN)..
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 close to users, drastically reducing latency. By using the S3 bucket as the origin, CloudFront offloads requests from S3 and serves cached objects from the nearest edge, which directly addresses slow load times for distant users. This is a managed AWS-native service that aligns with the architecture review board's preference.
What should I do if I get this SAA-C03 question wrong?
Review amazon CloudFront is a Content Delivery Network (CDN)., then practise related SAA-C03 questions on the same topic to reinforce the concept.
What is the key concept behind this question?
Amazon CloudFront is a Content Delivery Network (CDN).
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Last reviewed: Jun 11, 2026
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