- A
Use a single Application Load Balancer in one region with cross-region VPC peering.
Why wrong: ALB is regional and cannot span regions.
- B
Use AWS Global Accelerator with an endpoint group in each region.
Global Accelerator provides anycast IP and routes to the closest healthy endpoint.
- C
Use Route 53 latency-based routing with health checks.
Why wrong: DNS-based routing has caching and propagation delays.
- D
Use a Network Load Balancer in each region and Route 53 weighted routing.
Why wrong: NLB is regional; weighted routing doesn't consider latency.
Question 625 of 1,705
ANS-C01 Network Implementation Practice Question
This ANS-C01 practice question tests your understanding of network implementation. 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 multi-region architecture with an Application Load Balancer (ALB) in each region. They need to route traffic to the closest healthy endpoint. Which AWS service should be used for global load balancing?
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 with an endpoint group in each region.
AWS Global Accelerator uses the AWS global network to route traffic to the closest healthy endpoint via Anycast IP addresses and endpoint groups in each region. It provides static IP addresses and intelligent traffic distribution based on latency, health, and geography, making it ideal for multi-region ALB architectures requiring global load balancing.
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.
- ✗
Use a single Application Load Balancer in one region with cross-region VPC peering.
Why it's wrong here
ALB is regional and cannot span regions.
- ✓
Use AWS Global Accelerator with an endpoint group in each region.
Why this is correct
Global Accelerator provides anycast IP and routes to the closest healthy endpoint.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Use Route 53 latency-based routing with health checks.
Why it's wrong here
DNS-based routing has caching and propagation delays.
- ✗
Use a Network Load Balancer in each region and Route 53 weighted routing.
Why it's wrong here
NLB is regional; weighted routing doesn't consider latency.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse Route 53 latency-based routing with true global load balancing, not realizing that DNS-based routing is affected by client caching and does not provide real-time traffic steering or static IP addresses, which Global Accelerator uniquely offers.
Detailed technical explanation
How to think about this question
Global Accelerator uses two static Anycast IP addresses that announce from all AWS edge locations, routing traffic over the AWS global backbone to the optimal regional endpoint group based on latency, health, and traffic policies. This avoids the DNS caching issues inherent in Route 53 latency-based routing and provides faster failover (sub-second) by leveraging TCP/UDP health checks at the edge, rather than relying on DNS TTL propagation.
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 healthcare organisation deploys an application with a public-facing web tier and a private database tier. The database subnet has no public IP and only accepts connections from the web tier's security group. Questions like this test whether you can design cloud network isolation using VNets/VPCs, subnets, and security group rules.
What to study next
Got this wrong? Here's your next step.
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FAQ
Questions learners often ask
What does this ANS-C01 question test?
Network Implementation — This question tests Network Implementation — 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 with an endpoint group in each region. — AWS Global Accelerator uses the AWS global network to route traffic to the closest healthy endpoint via Anycast IP addresses and endpoint groups in each region. It provides static IP addresses and intelligent traffic distribution based on latency, health, and geography, making it ideal for multi-region ALB architectures requiring global load balancing.
What should I do if I get this ANS-C01 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.
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Last reviewed: Jul 4, 2026
This ANS-C01 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 ANS-C01 exam.
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