ANS-C01 Network Implementation Practice Question
A company is implementing a multi-region active-active application. They want to route users to the nearest healthy endpoint using DNS. Which AWS service should be used?
⚠ Common exam trap
It's easy for candidates to confuse AWS Global Accelerator (which also routes to the nearest healthy endpoint) with DNS-based routing, but Global Accelerator uses Anycast at the network layer, not DNS, so it does not meet the 'using DNS' requirement specified in the question.
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
✓
Amazon Route 53 latency-based routing
Amazon Route 53 latency-based routing directs traffic based on the lowest network latency between the user and the endpoint, making it ideal for routing users to the nearest healthy endpoint in a multi-region active-active setup. It continuously monitors endpoint health via health checks and only routes to healthy endpoints, ensuring high availability and performance.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Elastic Load Balancer (ELB)
Why it's wrong here
Regional, does not route across regions.
- ✗
Amazon CloudFront
Why it's wrong here
CDN, not for routing to application endpoints.
- ✓
Amazon Route 53 latency-based routing
Why this is correct
Routes based on lowest latency.
- ✗
AWS Global Accelerator
Why it's wrong here
Uses Anycast, not DNS latency routing.
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JA
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.