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Question 51 of 1,705

Network Design →mediumMultiple ChoiceObjective-mapped

Quick Answer

The answer is to create a Global Accelerator with endpoint groups in each region, each pointing to the regional ALB. This configuration works because Global Accelerator uses Anycast IP addresses to direct user traffic to the nearest AWS edge location, then routes it over the private, low-latency AWS global network to the closest healthy endpoint group, ensuring traffic reaches the optimal regional ALB without traversing the public internet. On the AWS Certified Advanced Networking Specialty ANS-C01 exam, this question tests your understanding of how Global Accelerator differs from CloudFront or Route 53 latency-based routing—specifically that Global Accelerator provides a fixed Anycast IP and leverages edge locations for both ingress and egress, whereas Route 53 relies on DNS resolution and can be slower to failover. A common trap is confusing endpoint groups with regional load balancers themselves; remember that the endpoint group is the regional traffic pool, and the ALB is the endpoint within it. Memory tip: think “Anycast to the edge, private network to the group.”

ANS-C01 Network Design Practice Question

This ANS-C01 practice question tests your understanding of network design. 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 multi-region architecture using AWS Global Accelerator and Application Load Balancers (ALBs) in two AWS Regions. They want to route traffic to the closest healthy endpoint and minimize latency. Which configuration best meets these requirements?

Clue words in this question

Noticing these words before you look at the options changes how you read each choice.

Clue: "best"
Why it matters: Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
Clue: "minimum / minimize"
Why it matters: Asks for the least resource use — fewest addresses, smallest subnet, lowest overhead. Eliminate over-provisioned options even if they would technically work.

Question 1mediummultiple choice

Review the full routing breakdown →

A
Deploy a single ALB in one region and use Route 53 geolocation routing to direct traffic.
Why wrong: Geolocation routing does not consider latency or endpoint health dynamically, and a single ALB is a single point of failure.
B
Use Amazon Route 53 latency-based routing with ALBs in each region.
Why wrong: Route 53 latency-based routing does not provide anycast IPs and can be slow to propagate changes.
C
Create a Global Accelerator with endpoint groups in each region, each pointing to the regional ALB.
Global Accelerator uses anycast IPs to route traffic to the nearest healthy endpoint, with built-in health checks and fast failover.
D
Use an Application Load Balancer in one region and a Network Load Balancer in another with cross-zone load balancing.
Why wrong: This does not provide global routing or proximity-based traffic distribution.

Full breakdown with real-world context →

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

✓

Create a Global Accelerator with endpoint groups in each region, each pointing to the regional ALB.

AWS Global Accelerator uses the Anycast IP address to route traffic to the nearest edge location, then forwards it over the AWS global network to the closest healthy endpoint group. By configuring endpoint groups in each region, each pointing to the regional ALB, Global Accelerator provides both low-latency routing and automatic failover, meeting the requirement for multi-region traffic distribution to the closest healthy endpoint.

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 a single ALB in one region and use Route 53 geolocation routing to direct traffic.
Why it's wrong here
Geolocation routing does not consider latency or endpoint health dynamically, and a single ALB is a single point of failure.
✗
Use Amazon Route 53 latency-based routing with ALBs in each region.
Why it's wrong here
Route 53 latency-based routing does not provide anycast IPs and can be slow to propagate changes.
✓
Create a Global Accelerator with endpoint groups in each region, each pointing to the regional ALB.
Why this is correct
Global Accelerator uses anycast IPs to route traffic to the nearest healthy endpoint, with built-in health checks and fast failover.
Clue confirmation
The clue words "best", "minimum / minimize" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
Use an Application Load Balancer in one region and a Network Load Balancer in another with cross-zone load balancing.
Why it's wrong here
This does not provide global routing or proximity-based traffic distribution.

Common exam traps

Common exam trap: answer the scenario, not the keyword

AWS often tests the misconception that Route 53 latency-based routing is equivalent to Global Accelerator for multi-region traffic optimization, but candidates must remember that DNS-based routing introduces caching delays and lacks the anycast edge routing and fast health check failover that Global Accelerator provides.

Detailed technical explanation

How to think about this question

Global Accelerator leverages the AWS global network infrastructure, using Anycast IPs that are announced from multiple edge locations, so traffic enters the AWS network at the closest point of presence (PoP). It then uses the internal AWS backbone to reach the regional ALB, bypassing the public internet and reducing latency by up to 60% compared to standard DNS-based routing. The health checks are performed at the edge, enabling sub-second failover to the next healthy endpoint group, which is critical for real-time applications like gaming or financial trading.

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.

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 ANS-C01 question test?

Network Design — This question tests Network Design — Read the scenario before looking for a memorised answer..

What is the correct answer to this question?

The correct answer is: Create a Global Accelerator with endpoint groups in each region, each pointing to the regional ALB. — AWS Global Accelerator uses the Anycast IP address to route traffic to the nearest edge location, then forwards it over the AWS global network to the closest healthy endpoint group. By configuring endpoint groups in each region, each pointing to the regional ALB, Global Accelerator provides both low-latency routing and automatic failover, meeting the requirement for multi-region traffic distribution to the closest healthy endpoint.

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.

Are there clue words in this question I should notice?

Yes — watch for: "best", "minimum / minimize". Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.

What is the key concept behind this question?

Read the scenario before looking for a memorised answer.

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Same concept, more angles

1 more ways this is tested on ANS-C01

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. Which THREE of the following are benefits of using AWS Global Accelerator over Amazon CloudFront for a global application that uses TCP traffic? (Select THREE.)

hard

A.Provides content caching at edge locations.
✓ B.Provides static IP addresses that act as a fixed entry point.
✓ C.Supports TCP and UDP traffic.
✓ D.Can be used with Application Load Balancers as endpoints.
E.Automatically integrates with AWS WAF and AWS Shield Advanced.

Why B: AWS Global Accelerator provides static IP addresses that act as a fixed entry point for your application, which is a key benefit over Amazon CloudFront. CloudFront uses dynamic, regional edge IP addresses that can change, whereas Global Accelerator offers two static anycast IP addresses that remain constant, simplifying DNS management and firewall whitelisting for TCP-based global applications.

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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.