AWS Certified Solutions Architect – Professional — Question 585

Which of the following components of AWS Data Pipeline polls for tasks and then performs those tasks?

Answer options

• A. Pipeline Definition
• B. Task Runner
• C. Amazon Elastic MapReduce (EMR)
• D. AWS Direct Connect

Correct answer: B

Explanation

Task Runner is the specific AWS Data Pipeline component that polls the service for tasks and then executes them on the allocated computational resources. Pipeline Definition is used to declare the business logic of your data pipeline, whereas Amazon EMR and AWS Direct Connect are external services rather than internal polling components of AWS Data Pipeline.