- A
Deploy EC2 instances in multiple AWS Regions and use Route 53 latency-based routing.
Why wrong: Multi-Region deployment increases operational overhead and cost.
- B
Use AWS Global Accelerator to route traffic to the EC2 instances via the AWS global network.
Global Accelerator uses the AWS network to route traffic from edge locations to the nearest healthy endpoint, reducing latency and jitter.
- C
Move the dynamic content to Lambda@Edge functions running at CloudFront edge locations.
Why wrong: Lambda@Edge is for lightweight compute at edge, not for hosting full dynamic web applications.
- D
Add an Amazon ElastiCache cluster in front of the EC2 instances to cache dynamic responses.
Why wrong: Caching improves response times but does not reduce network latency for users far from the Region.
SAP-C02 Design for New Solutions Practice Question
This SAP-C02 practice question tests your understanding of design for new solutions. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. 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 is designing a new web application that will be accessed by users globally. The application uses Amazon CloudFront as a CDN and stores static content in Amazon S3. The dynamic content is served from EC2 instances in a single AWS Region. Which of the following will improve performance for users in distant regions with the LEAST operational effort?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue:
"least"Why it matters: You want the option with minimum overhead, fewest steps, or lowest impact — not the most feature-rich or comprehensive answer.
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
Use AWS Global Accelerator to route traffic to the EC2 instances via the AWS global network.
AWS Global Accelerator uses the AWS global network to route traffic from edge locations to the optimal EC2 endpoint, reducing latency and jitter for distant users without requiring multi-region deployments. This minimizes operational effort because it involves only a single configuration change (creating an accelerator and associating it with the existing EC2 instances) rather than managing infrastructure across multiple regions.
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.
- ✗
Deploy EC2 instances in multiple AWS Regions and use Route 53 latency-based routing.
Why it's wrong here
Multi-Region deployment increases operational overhead and cost.
- ✓
Use AWS Global Accelerator to route traffic to the EC2 instances via the AWS global network.
Why this is correct
Global Accelerator uses the AWS network to route traffic from edge locations to the nearest healthy endpoint, reducing latency and jitter.
Clue confirmation
The clue word "least" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Move the dynamic content to Lambda@Edge functions running at CloudFront edge locations.
Why it's wrong here
Lambda@Edge is for lightweight compute at edge, not for hosting full dynamic web applications.
- ✗
Add an Amazon ElastiCache cluster in front of the EC2 instances to cache dynamic responses.
Why it's wrong here
Caching improves response times but does not reduce network latency for users far from the Region.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often assume Lambda@Edge can handle all dynamic content at the edge, but they overlook its execution time and resource constraints, making it unsuitable for complex backend logic or database queries.
Detailed technical explanation
How to think about this question
AWS Global Accelerator leverages Anycast IP addresses at edge locations to direct traffic over the AWS backbone network, bypassing the public internet and reducing packet loss and jitter. It also provides automatic failover across healthy endpoints in a single region or multiple regions, using TCP/UDP port configurations and health checks. In contrast, CloudFront alone caches static content at edge locations but still routes dynamic requests over the public internet to the origin, whereas Global Accelerator optimizes the entire path for dynamic traffic.
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.
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.
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 SAP-C02 question test?
Design for New Solutions — This question tests Design for New Solutions — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Use AWS Global Accelerator to route traffic to the EC2 instances via the AWS global network. — AWS Global Accelerator uses the AWS global network to route traffic from edge locations to the optimal EC2 endpoint, reducing latency and jitter for distant users without requiring multi-region deployments. This minimizes operational effort because it involves only a single configuration change (creating an accelerator and associating it with the existing EC2 instances) rather than managing infrastructure across multiple regions.
What should I do if I get this SAP-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: "least". You want the option with minimum overhead, fewest steps, or lowest impact — not the most feature-rich or comprehensive answer.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Last reviewed: Jul 4, 2026
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