SAP-C02 Practice Question: Accelerate Workload Migration and Modernization
A company is modernizing a monolithic application into microservices on AWS. The application currently uses a single SQL database. Which THREE AWS services can help decouple the data layer and enable event-driven communication between microservices?
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 Simple Notification Service (SNS)
Amazon SQS provides message queuing for async communication. Amazon SNS enables pub/sub messaging. Amazon EventBridge provides event bus for decoupled communication. Amazon RDS is a relational database, not for decoupling. Amazon ElastiCache is 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.
- ✓
Amazon Simple Notification Service (SNS)
Why this is correct
Decouples via pub/sub.
- ✗
Amazon RDS
Why it's wrong here
Shared database creates coupling.
- ✓
Amazon Simple Queue Service (SQS)
Why this is correct
Decouples via queues.
- ✗
Amazon ElastiCache
Why it's wrong here
Caching, not decoupling.
- ✓
Amazon EventBridge
Why this is correct
Event bus for decoupled communication.
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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.