What Is the Role of the PollForTask Action When It

question 499

Multiple Choice

What is the role of the PollForTask action when it is called by a task runner in AWS Data Pipeline?

• A) It is used to retrieve the pipeline definition.
• B) It is used to report the progress of the task runner to AWS Data Pipeline.
• C) It is used to receive a task to perform from AWS Data Pipeline.
• D) It is used to inform AWS Data Pipeline of the outcome when the task runner completes a task.

---

Definitions:

Coefficient

A numerical or constant factor in an equation that multiplies the variable, indicating the degree or level of some effect.

Price Elasticity of Supply

The measure of how the quantity supplied of a good changes in response to a change in its price.

Midpoint Formula

A method used in economics to calculate the elasticity of a variable, often used to estimate the price elasticity of demand by averaging the start and end points of a demand curve.

Elastic

A characteristic of a product or service demand that indicates a sensitivity to price changes, where a small change in price leads to a significant change in quantity demanded or supplied.