After testing and deploying a new trigger that does creates a related order when a opportunity is closed, the Architect begins complaints of permission error messages appearing when closing an opportunity.
How did this error occur?

Universal Containers has a private sharing model on Accounts. Apex Managed Sharing is required to share certain account records with all users who are assigned to a specific Role in the Role Hierarchy. What should be the recommended way for the Architect to implement this?

Universal Containers has a custom Job object with a private sharing model. Based on the size and location of the Job, different teams must have access to edit the specific Job record. To support this requirement, Apex Managed Sharing has been implemented to share records with the required users. Since the teams change frequently, managed sharing recalculations need to be manually run frequently. What can the Architect do to optimize this process?

Users at Universal Containers are complaining that a field has disappeared from the Account page after deploying its latest project. The page layout has not changes with this deployment.
How should the admin troubleshoot this issue?

Universal Containers (UC) delivers training in 500 different regions. The UC Operations Users team manage course setup, scheduling, and trainer setup. The Operations Users team members work at a regional level and report to an Operations manager. The Operations manager requested access to edit ALL scheduled courses owned by the Operation Users team.
How can this be achieved?