An input to the Identify Risks process is the:

A supplier delivers equipment that fails to meet customer requirements. Investigation determines that the supplier misunderstood the requirements and made incorrect assumptions without clarifying them with the customer.
What communication method should the project manager have used to avoid this?

The project team is planning a schedule with limited information. The team is having issues identifying the detailed tasks and estimating task duration.
Which three techniques should the project manager use? (Choose three.)

A hybrid project team is working on an upgraded version of software for their product owner. The team is also responsible for supporting the existing product and customers. For the last three sprints, the team had to stop their project work and focus on major support items for the product owner. The testers are struggling to cope with the constant changes to the plan, which has resulted in a number of emotional outbursts.
How should the project manager proceed?

A project manager is leading a hybrid project funded by a time and materials (T&M) agreement. The project was completed, and the client accepted the delivery of the product. One week later, the client asked the project manager to fix two defects they found in the product. The project manager responded with an estimate of time and money and asked the client to confirm this. The client disagreed and insisted that the work should be done for free because it is a defect in the product.
What should the project manager have done to prevent this?