Who creates a Product Backlog Item’s estimate?
(choose the best answer)
A. The Scrum Master.
B. The Developers, alone.
C. The Product Owner with input from the Developers.
D. The most senior people in the organization, including architects and subject matter experts.
E. The Developers after clarifying requirements with the Product Owner.

Scrum is based on empiricism. All of its artifacts must be transparent to ensure sufficient accuracy of inspection. How can the Scrum Team maintain the Product Backlog to maximize its transparency?
(choose the best answer)
A. The Product Backlog items must be sized such that the highest ordered items are no bigger than a Sprint.
B. Product Backlog is only updated at the Sprint Review, when both the Scrum Team and the stakeholders are available.
C. Product Backlog is only updated at a release planning meeting with the stakeholders and the change control board present.
D. The Product Backlog is continually kept up to date with the most recent insights.
E. Product Backlog items should hold no more than 8 points of work, which is average in the range of acceptable sizes of 1, 2, 3, 5, 8 and 13.

Which approach is best for Scrum Teams in order to produce valuable Increments?
(choose the best answer)
A. Each Scrum Team is accountable for developing functionality from beginning to end.
B. Each Developer works only on the component where they feel they can contribute.
C. Each Scrum Member works only as an independent layer of the system.
D. Each Scrum Team works on an independent set of components.

True or False: The Scrum Team is accountable for creating a valuable increment every Sprint.
A. True
B. False

True or False: Sprint Reviews are an opportunity to collect stakeholder feedback.
A. True
B. False

True or False: The Product Owner must write all of the Product Backlog items (eg users stories, requirements, etc) on the Product Backlog before handing them over to the Scrum Team.
A. True
B. False