During sprint retrospectives, some team members are very vocal and tend to dominate the conversation, while others are more reserved and less likely to participate.
What should the scrum master do?

An agile team has only one database administrator with the necessary knowledge of database-related tasks.
The project manager identifies the risk that if this person leaves, team velocity will significantly decrease.
What should the agile coach do?

When using Agile Earned Value Management (EVM), progress should be measured at which level?

During a backlog refinement meeting, a senior team member raises a concern about an epic sizing that requires the use of a new interface for a vendor product. The product owner acknowledges this as a risk.
What should the product owner do now?

Sequence the activities that occur in a Retrospective meeting.