The primary benefit of AWS Global Accelerator in a multi-region architecture is that it provides static IP addresses and automatically routes traffic to the closest healthy Application Load Balancer, improving both availability and performance. This works because Global Accelerator uses anycast routing, which directs user requests to the nearest edge location and then forwards them over the AWS global network to the optimal regional endpoint, avoiding the public internet’s variability. On the AWS Certified DevOps Engineer Professional DOP-C02 exam, this question tests your understanding of how Global Accelerator differs from DNS-based services like Amazon Route 53—specifically, that it offers fixed IP addresses and faster failover by relying on the network layer rather than DNS caching. A common trap is confusing Global Accelerator with a content delivery network; remember, it does not cache content but instead optimizes TCP/UDP traffic flow. Memory tip: think “static IPs + anycast = nearest healthy ALB,” and contrast this with Route 53’s latency-based DNS, which can be slower to propagate changes.
DOP-C02 Resilient Cloud Solutions Practice Question
This DOP-C02 practice question tests your understanding of resilient cloud solutions. 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. 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 resilient architecture for a web application using AWS Global Accelerator and two Application Load Balancers in different AWS Regions. The application is stateless and uses a global DynamoDB table for data. What is the primary benefit of using Global Accelerator in this architecture?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "primary"
Why it matters: Asks for the main purpose or function, not a secondary benefit. Eliminate answers that describe side-effects or partial functions.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
It provides static IP addresses and automatically routes traffic to the closest healthy ALB, improving availability and performance.
Option B is correct because Global Accelerator provides static IP addresses and directs traffic to the nearest healthy endpoint, improving resilience and performance. Option A is wrong because Global Accelerator does not cache content. Option C is wrong because DNS routing is not the primary benefit; Global Accelerator uses anycast. Option D is wrong because Global Accelerator does not replace ALB; it works with ALBs.
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.
✗
It replaces the need for an Application Load Balancer.
Why it's wrong here
Global Accelerator works with ALBs, not replace them.
✓
It provides static IP addresses and automatically routes traffic to the closest healthy ALB, improving availability and performance.
Why this is correct
Global Accelerator improves resilience by routing to healthy endpoints.
Clue confirmation
The clue word "primary" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
It provides DNS-based failover between Regions.
Why it's wrong here
DNS failover is a Route 53 feature, not the primary benefit of Global Accelerator.
✗
It caches static content at AWS edge locations.
Why it's wrong here
Caching is provided by CloudFront, not Global Accelerator.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Detailed technical explanation
How to think about this question
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
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.
Use explanations to understand the rule behind the answer.
TExam Day Tips
→Underline the problem statement mentally.
→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 DOP-C02 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
Resilient Cloud Solutions — This question tests Resilient Cloud Solutions — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: It provides static IP addresses and automatically routes traffic to the closest healthy ALB, improving availability and performance. — Option B is correct because Global Accelerator provides static IP addresses and directs traffic to the nearest healthy endpoint, improving resilience and performance. Option A is wrong because Global Accelerator does not cache content. Option C is wrong because DNS routing is not the primary benefit; Global Accelerator uses anycast. Option D is wrong because Global Accelerator does not replace ALB; it works with ALBs.
What should I do if I get this DOP-C02 question wrong?
Identify which DOP-C02 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
Are there clue words in this question I should notice?
Yes — watch for: "primary". Asks for the main purpose or function, not a secondary benefit. Eliminate answers that describe side-effects or partial functions.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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