- A
Deploy the application in a single AWS Region across multiple Availability Zones and use Amazon Route 53 with latency-based routing.
Why wrong: This option only uses one AWS Region. While it provides fault tolerance through multiple Availability Zones, it does not reduce latency for players who are far from that single Region. It does not meet the global latency reduction requirement.
- B
Deploy the application in a single AWS Region within a single Availability Zone and use Amazon CloudFront for content caching.
Why wrong: This option lacks both geographic distribution and data center redundancy. CloudFront does not run the application; it only caches static content. A single Availability Zone does not protect against the failure of an entire data center.
- C
Deploy the application in multiple AWS Regions, each with at least two Availability Zones, and use Amazon Route 53 for DNS-based routing.
Multiple AWS Regions provide geographic distribution to reduce latency globally. Using multiple Availability Zones within each Region ensures that the application remains available if an entire data center (one Availability Zone) fails. Amazon Route 53 can route users to the nearest healthy Region, meeting both requirements.
- D
Deploy the application in multiple AWS Regions and use Amazon CloudFront with multiple origins, each pointing to an Application Load Balancer in a single Availability Zone.
Why wrong: Using CloudFront as a proxy does not run the application; it only accelerates content delivery. Moreover, using a single Availability Zone per Region does not protect against data center failures within that Region, violating the availability requirement.
Quick Answer
The correct combination is deploying the application in multiple AWS Regions, each with at least two Availability Zones, and using Amazon Route 53 for DNS-based routing. This architecture achieves global low latency by placing EC2 instances behind an Application Load Balancer in Regions closer to players worldwide, while the multi-AZ setup within each Region ensures high availability by surviving the failure of an entire data center. On the AWS Certified Cloud Practitioner CLF-C02 exam, this scenario tests your understanding of how Regions and Availability Zones work together with Route 53’s routing policies—specifically latency-based or geolocation routing—to meet both performance and fault tolerance requirements. A common trap is thinking that multiple AZs alone provide global coverage, but without multiple Regions, latency for distant users remains high. Remember the memory tip: “Regions for reach, AZs for resilience, Route 53 for the right route.”
CLF-C02 Cloud Concepts Practice Question
This CLF-C02 practice question tests your understanding of cloud concepts. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. 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 global gaming company needs to deploy its application in multiple geographic locations to reduce latency for players worldwide. The application must also remain available even if an entire data center fails. The company plans to run the application on Amazon EC2 instances behind an Application Load Balancer. Which combination of AWS global infrastructure components should the company use to meet these requirements?
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
Deploy the application in multiple AWS Regions, each with at least two Availability Zones, and use Amazon Route 53 for DNS-based routing.
Option C is correct because deploying the application in multiple AWS Regions, each with at least two Availability Zones, ensures global low latency by placing compute resources closer to players worldwide, while the multi-AZ architecture within each Region provides high availability even if an entire data center (Availability Zone) fails. Amazon Route 53 then enables DNS-based routing (e.g., latency-based or geolocation routing) to direct player traffic to the optimal Region, meeting both latency and fault tolerance requirements.
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 the application in a single AWS Region across multiple Availability Zones and use Amazon Route 53 with latency-based routing.
Why it's wrong here
This option only uses one AWS Region. While it provides fault tolerance through multiple Availability Zones, it does not reduce latency for players who are far from that single Region. It does not meet the global latency reduction requirement.
- ✗
Deploy the application in a single AWS Region within a single Availability Zone and use Amazon CloudFront for content caching.
Why it's wrong here
This option lacks both geographic distribution and data center redundancy. CloudFront does not run the application; it only caches static content. A single Availability Zone does not protect against the failure of an entire data center.
- ✓
Deploy the application in multiple AWS Regions, each with at least two Availability Zones, and use Amazon Route 53 for DNS-based routing.
Why this is correct
Multiple AWS Regions provide geographic distribution to reduce latency globally. Using multiple Availability Zones within each Region ensures that the application remains available if an entire data center (one Availability Zone) fails. Amazon Route 53 can route users to the nearest healthy Region, meeting both requirements.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Deploy the application in multiple AWS Regions and use Amazon CloudFront with multiple origins, each pointing to an Application Load Balancer in a single Availability Zone.
Why it's wrong here
Using CloudFront as a proxy does not run the application; it only accelerates content delivery. Moreover, using a single Availability Zone per Region does not protect against data center failures within that Region, violating the availability requirement.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse high availability within a single Region (multi-AZ) with global low latency, mistakenly thinking that multiple Availability Zones alone solve latency for global users, or that CloudFront caching alone provides application-level fault tolerance.
Detailed technical explanation
How to think about this question
Under the hood, Route 53 latency-based routing uses latency measurements between the user’s DNS resolver and each AWS Region to route traffic to the Region with the lowest latency. For true global high availability, each Region must have at least two Availability Zones to survive an AZ failure; a single AZ per Region would cause regional outage if that AZ fails. In practice, combining multiple Regions with multi-AZ deployments and Route 53 health checks ensures automatic failover and optimal performance worldwide.
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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Cloud Concepts — study guide chapter
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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: Deploy the application in multiple AWS Regions, each with at least two Availability Zones, and use Amazon Route 53 for DNS-based routing. — Option C is correct because deploying the application in multiple AWS Regions, each with at least two Availability Zones, ensures global low latency by placing compute resources closer to players worldwide, while the multi-AZ architecture within each Region provides high availability even if an entire data center (Availability Zone) fails. Amazon Route 53 then enables DNS-based routing (e.g., latency-based or geolocation routing) to direct player traffic to the optimal Region, meeting both latency and fault tolerance requirements.
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.
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 →
Same concept, more angles
1 more ways this is tested on CLF-C02
These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.
Variation 1. A company needs to deploy their application in multiple geographic locations to ensure data sovereignty compliance and reduce latency for users in different continents. What is the AWS infrastructure concept that represents a distinct geographic area with multiple isolated locations?
easy- A.Availability Zone
- B.Edge Location
- ✓ C.AWS Region
- D.Local Zone
Why C: An AWS Region is a distinct geographic area that contains multiple, isolated Availability Zones. This design allows customers to deploy applications across separate locations within a region for high availability, while also choosing specific regions to meet data sovereignty requirements and reduce latency for users on different continents.
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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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