SAP-C02 Practice Question: Accelerate Workload Migration and Modernization
A company wants to modernize a batch processing application that runs on EC2 instances using a cron job. The job processes files from an S3 bucket and takes about 2 hours. They want to reduce operational overhead. Which service 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
✓
AWS Batch
AWS Batch is designed for batch computing and can automatically provision EC2 instances, run the job, and terminate them, reducing overhead. Option A (Lambda) has a 15-minute timeout. Option B (Step Functions) orchestrates but does not run the compute. Option D (ECS with Fargate) is possible but requires more configuration than AWS Batch for batch jobs.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
AWS Batch
Why this is correct
AWS Batch is purpose-built for batch processing and manages compute resources.
- ✗
Amazon ECS with Fargate
Why it's wrong here
Amazon ECS with Fargate is not ideal for this scenario because it is primarily designed for running long-lived services or microservices, not single, finite batch jobs that complete after a set duration. For a 2-hour batch process, a dedicated batch service provides superior job orchestration and completion tracking. This option is tempting as it reduces operational overhead by eliminating server management, making it an excellent choice for containerised web applications or APIs requiring continuous uptime and scalability.
- ✗
AWS Lambda
Why it's wrong here
Lambda has a maximum 15-minute execution time, too short for 2-hour jobs.
- ✗
AWS Step Functions
Why it's wrong here
Step Functions is for orchestration, not compute.
Quick reference
AWS S3 Storage Class Comparison
| Storage Class | Min Duration | Retrieval | Use Case |
|---|---|---|---|
| S3 Standard | None | Immediate | Frequently accessed data |
| S3 Standard-IA | 30 days | Immediate | Infrequent access, rapid retrieval |
| S3 One Zone-IA | 30 days | Immediate | Non-critical infrequent data |
| S3 Intelligent-Tiering | None | Immediate–hours | Unknown or changing access patterns |
| S3 Glacier Instant | 90 days | Milliseconds | Archive with instant retrieval |
| S3 Glacier Flexible | 90 days | Minutes–hours | Archive, flexible retrieval |
| S3 Glacier Deep Archive | 180 days | Hours | Long-term compliance archive |
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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.