Identify the field update limitations. (Choose three.)

Customer services wish to analyze how many open cases there are each day over a period of time.
How can they achieve this?

Which of the following sequences of milestones would represent a typical application lifecycle?

A custom object named Assignment has a private sharing setting that grants access using hierarchies.
The organization has a role hierarchy where the "Specialist" role reports to a "Manager" role which reports to a "Director" role. The director role is at the top of the role hierarchy.
A user who is the manager role creates a new Assignment record.
Who can send this record?

Which functions are available when creating a Roll-up Summary Field? (Choose four.)