SAP-C02 Amazon EventBridge Practice Question
A company is migrating a legacy batch processing system to AWS. The batch jobs run on a schedule and process files from an FTP server. The company wants a serverless solution. Which THREE AWS services should be combined to implement the solution?
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 (CloudWatch Events)
Options A, C, and D are correct. Amazon EventBridge (formerly CloudWatch Events) can schedule events to trigger AWS Lambda functions. Lambda can process the batch files. Amazon S3 can store the files. Option B (EC2 with Auto Scaling) is not serverless. Option E (Simple Workflow Service) is an older workflow service not optimized for this serverless batch processing scenario.
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 EventBridge (CloudWatch Events)
Why this is correct
Amazon EventBridge can schedule events to trigger a serverless workflow, such as invoking a Lambda function at specified times.
- ✗
Amazon EC2 with Auto Scaling
Why it's wrong here
Amazon EC2 with Auto Scaling is not serverless; it requires managing instances.
- ✓
AWS Lambda
Why this is correct
AWS Lambda can process files in a serverless manner, triggered by EventBridge or S3 events.
- ✓
Amazon S3
Why this is correct
Amazon S3 provides scalable object storage for the batch files.
- ✗
Amazon Simple Workflow Service (SWF)
Why it's wrong here
Amazon Simple Workflow Service (SWF) is used for coordinating distributed tasks, but not suitable for this simple scheduled batch processing.
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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Same concept, more angles
2 more ways this is tested on SAP-C02
These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.
Variation 1. A company is migrating a batch processing workload to AWS. The workload runs daily and processes large files. Which TWO AWS services are most suitable for this workload? (Choose TWO.)
easy- ✓ A.AWS Step Functions
- B.Amazon ECS
- C.Amazon SQS
- ✓ D.AWS Batch
- E.AWS Lambda
Why A: AWS Batch is a purpose-built service for batch computing, handling job scheduling, scaling, and execution. AWS Step Functions orchestrates the workflow, managing dependencies, retries, and parallelism. The other options are less suitable: Amazon ECS is for container orchestration, not specifically batch; Amazon SQS is a message queue; AWS Lambda has execution time and memory limits that make it unsuitable for processing large files daily. Therefore, the two correct choices are AWS Batch and AWS Step Functions.
Variation 2. A company is migrating a batch processing workload to AWS. The workload runs daily on a single on-premises server and takes 6 hours to complete. The company wants to reduce processing time and cost. Which approach should the solutions architect recommend?
easy- ✓ A.Use AWS Batch to run the workload in parallel on multiple compute resources
- B.Use AWS Lambda with a 6-hour timeout
- C.Use AWS Step Functions to orchestrate the workload sequentially
- D.Use a single larger EC2 instance with more vCPUs
Why A: AWS Batch can orchestrate parallel processing across multiple EC2 or Fargate resources, reducing time. A single larger instance may not reduce time as much as parallel processing. Lambda has a 15-minute execution limit. Step Functions alone does not provide compute.
JA
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.