A project manager is managing a few innovation projects with a high level of uncertainty. The project manager is experiencing challenges with the large number of change requests issued due to the nature of the project.
What should the project manager do?

A project manager in one country is reporting to a lead project manager for a new software development project in another country. The lead project manager constantly requests updates from the project manager, often demanding information via multiple communication channels if the project manager does not respond within a few minutes of a request. Both of them are equal in seniority and both report to the same functional manager.
How should the project manager proceed?

A defect is identified during user acceptance testing that could significantly impact the system's performance.
The project team has advised that this defect puts the delivery date at risk.
Which risk management process should be performed?

A company is transitioning projects from a predictive to an agile approach. The CFO is concerned that one of the agile projects has an important feature for the financial department that is being delayed for a later iteration.
What should the project manager do to clarify the situation?

During the last two iterations of a project, one of the team members had low performance. The project manager conducted two feedback sessions with the team member and escalated the issue to the resource manager and project sponsor, but there has been no improvement.
What should the project manager do next?