A project manager is assigned to a project where a vendor has been engaged to build a new system. One week before user acceptance testing (UAT) is scheduled, the vendor informs the project manager that they can only deliver half of the promised functions by the UAT start date.
What should the project manager do next?

The project manager has observed that two team members have been arguing with each other openly at meetings. To push their ideas through, each team member individually spoke with the sponsor directly and made decisions without informing the project manager or other team members.
What two actions should project manager take? (Choose two.)

A few virtual team members are located in a region that generally has good internet connectivity.
However, they frequently experience connectivity issues joining team calls during the day.
What should the project manager do?

In a daily standup meeting, a project manager notices that a team member's reports include incomplete tasks with no impediments. A colleague informs the project manager that this team member is experiencing a personal issue.
What should the project manager do?

In the planning phase of a software implementation project, two of the team members disagree on how to approach end-user training. The discussion has intensified and the team members are not able to agree.
What should the project manager do next?