SAP-C02 Practice Question: Accelerate Workload Migration and Modernization
A company is migrating a three-tier web application to AWS and wants to decouple the layers for scalability. Which THREE AWS services should they use?
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)
Options A, B, and C are correct. ALB for web tier, SQS for decoupling, and RDS for database. Option D (CloudFront) is a CDN, not for decoupling. Option E (ElastiCache) is optional caching.
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
Routes traffic to web servers.
- ✓
Amazon Simple Queue Service (SQS)
Why this is correct
Decouples web and application tiers.
- ✓
Amazon RDS
Why this is correct
Managed database service.
- ✗
Amazon CloudFront
Why it's wrong here
CDN, not for internal decoupling.
- ✗
Amazon ElastiCache
Why it's wrong here
Caching, not required for decoupling.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This SAP-C02 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 SAP-C02 exam.