ANS-C01 Network Implementation Practice Question
A company is deploying a web application across multiple Availability Zones in a single region. They want to distribute incoming traffic evenly across all healthy EC2 instances. Which AWS service should be used as the entry point?
⚠ Common exam trap
Watch out — candidates often confuse the Network Load Balancer (NLB) as the default choice for all load balancing, but the question specifies a web application (HTTP/HTTPS) requiring even distribution, which is a Layer-7 use case best served by the ALB, not the NLB.
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
✓
Application Load Balancer (ALB)
An Application Load Balancer (ALB) operates at Layer 7 and can distribute HTTP/HTTPS traffic across multiple targets in different Availability Zones. It supports health checks and round-robin routing to evenly distribute incoming requests across healthy EC2 instances, making it the correct entry point for a web application requiring even traffic distribution across AZs.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Application Load Balancer (ALB)
Why this is correct
Layer 7 load balancer with health checks.
- ✗
Amazon CloudFront
Why it's wrong here
CDN, not a load balancer.
- ✗
Network Load Balancer (NLB)
Why it's wrong here
Operates at Layer 4, not for HTTP traffic.
- ✗
Amazon Route 53 with simple routing
Why it's wrong here
Does not perform load balancing or health checks.
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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.