SAP-C02 Design for New Solutions Practice Question
A company is migrating a legacy monolithic application to a microservices architecture on AWS. They want to use an event-driven design where services react to state changes. Which AWS service should they use to capture, store, and replay events?
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 EventBridge
(Amazon EventBridge) is correct because it is a serverless event bus that can capture events from various sources, store them, and allow replay, making it ideal for event-driven microservices. Amazon EventBridge supports event archival and replay, enabling services to react to state changes. In contrast, Option A (Amazon SNS) is a pub/sub messaging service that does not store events for replay. Option B (Amazon Kinesis Data Streams) can replay data but is designed for real-time streaming data ingestion, not event sourcing in microservices. Option D (Amazon SQS) is a queue service for message decoupling and lacks event replay capability.
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 SNS
Why it's wrong here
SNS is pub/sub, no event storage.
- ✗
Amazon Kinesis Data Streams
Why it's wrong here
Kinesis can replay but is designed for streaming data, not typical event sourcing.
- ✓
Amazon EventBridge
Why this is correct
EventBridge supports event archiving and replay.
- ✗
Amazon SQS
Why it's wrong here
SQS doesn't store events for replay.
Quick reference
Cloud Service Model Comparison
| Model | You Manage | Provider Manages | Examples |
|---|---|---|---|
| IaaS | OS, runtime, apps, data | Hardware, hypervisor, networking | EC2, Azure VMs, GCP Compute Engine |
| PaaS | Apps and data | OS, runtime, middleware, hardware | Elastic Beanstalk, Azure App Service |
| SaaS | Data and settings only | Everything else | Microsoft 365, Salesforce, Workday |
| FaaS / Serverless | Function code only | Infra, scaling, runtime | Lambda, Azure Functions, Cloud Run |
| CaaS | Containers and apps | Kubernetes, OS, hardware | EKS, AKS, GKE |
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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.