What is the primary way a Scrum Master keeps a Development Team working at its highest level of productivity?

Question

Q: What is the primary way a Scrum Master keeps a Development Team working at its highest level of productivity?

 By facilitating Development Team decisions and removing impediments.

 By ensuring that the meetings start and end at the proper time.

 By preventing changes to the Backlog once the Sprint begins.

 By keeping high value features high in the Product Backlog.

Answer 1

By facilitating Development Team decisions and removing impediments.