Completion of a product scope is measured against which of the following:

A.
WBS and WBS Dictionary

B.
Product Requirements

C.
Project Management Plan

D.
Product Management Plan

Explanation:
product scope is measured against WBS and WBS Dictionary. The planned work contained within the lowest-level WBS components, which are called work packages, can be scheduled, cost estimated, monitored, and controlled. SOW is not listed as one of the inputs to Collect Requirements in PMBOK.