ANS-C01 Network Implementation Practice Question
A company is deploying a global application with users in North America and Europe. They have set up an Application Load Balancer (ALB) in us-east-1 and another in eu-west-1. They want to route users to the nearest ALB using AWS Global Accelerator. What is the correct configuration to achieve this?
⚠ Common exam trap
Many candidates confuse Global Accelerator with CloudFront or Route 53 latency routing, not realizing that Global Accelerator provides static IP addresses and sub-second failover by using Anycast at the network layer, whereas CloudFront is a CDN and Route 53 is DNS-based with inherent caching delays.
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 accelerator with endpoint groups in each region, each pointing to the respective ALB
AWS Global Accelerator uses Anycast IPs to direct traffic to the nearest healthy endpoint group. By creating an accelerator with endpoint groups in us-east-1 and eu-west-1, each pointing to its respective ALB, Global Accelerator automatically routes users to the closest region based on latency and network conditions. This provides both performance optimization and high availability without additional intermediate load balancers.
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 Amazon CloudFront with origins pointing to each ALB
Why it's wrong here
Incorrect; CloudFront is for content delivery, not for dynamic application routing without caching.
- ✗
Place each ALB behind a Network Load Balancer and use Global Accelerator
Why it's wrong here
Incorrect; Global Accelerator can directly target ALBs without an NLB.
- ✓
Create a Global Accelerator accelerator with endpoint groups in each region, each pointing to the respective ALB
Why this is correct
Correct; Global Accelerator uses Anycast to route to the nearest healthy ALB.
- ✗
Create a Route 53 latency record set with aliases to each ALB
Why it's wrong here
Incorrect; Route 53 latency routing is DNS-based and can be cached, leading to suboptimal routing.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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.