SAP-C02 Design for New Solutions Practice Question
A company is designing a new global application that will serve users worldwide. The application uses an Application Load Balancer (ALB) in a single region. To reduce latency for users in other regions, the company wants to cache static content at edge locations. The dynamic content must still be served from the ALB. Which configuration should be used?
⚠ Common exam trap
Many exam-takers assume CloudFront with a single ALB origin can handle both static and dynamic content by simply enabling caching, but they overlook that caching dynamic content can lead to serving stale data; the correct solution requires separate origins and path-based routing to isolate caching behavior.
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 multiple origins: S3 for static content and ALB for dynamic content
It uses Amazon CloudFront with multiple origins: an S3 bucket for static content (cached at edge locations) and the ALB for dynamic content (forwarded to the origin). This configuration meets the requirement to reduce latency for static assets via edge caching while ensuring dynamic requests are always served from the ALB, avoiding stale or incorrect responses.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
AWS Global Accelerator with the ALB as the endpoint
Why it's wrong here
Global Accelerator improves latency by routing traffic to the nearest healthy endpoint, but it does not cache content. Static content would still be served from the ALB.
- ✗
Amazon CloudFront with the ALB as the origin
Why it's wrong here
This configuration would send all traffic to the ALB, not caching static content separately. CloudFront would cache responses from the ALB, but the ALB would still handle all requests.
- ✓
Amazon CloudFront with multiple origins: S3 for static content and ALB for dynamic content
Why this is correct
CloudFront can be configured with multiple origins. Static content is cached at edge locations from S3, and dynamic content is forwarded to the ALB. This reduces latency for static content.
- ✗
Amazon S3 Transfer Acceleration for static content
Why it's wrong here
S3 Transfer Acceleration is for uploading to S3, not for serving content to users. It does not cache or accelerate delivery.
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 |
Go deeper
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This SAP-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 SAP-C02 exam.