New PMP Question & Answers with explanation

A project manager is working with stakeholders to identify strategic and operational assumptions and constraints. However, not all stakeholders are consistently providing input. What should the project manager use to enhance stakeholder input?
Select one
During a project's execution phase, two stakeholders complain that they receive insufficient information on the project's status. The stakeholders have been included in the regular status meetings, and status reports are being shared with them. What should the project manager do next?
Select one
During a project's user acceptance stage, some users complain that their expectations have been unmet. What should the project manager have done differently?
Select one