User Administration

In which scope are SAP users valid, and which transaction maintains the user master record?

Since SAP NetWeaver 7.0, what are the password length/case rules, and what are the initial-password options?

How do users maintain their own defaults, and what is set there?

What do user groups (SUGR) coordinate, and which group is predefined?

What does system measurement (USMM) do, and how are results sent to SAP?

Which profile parameters set the password rules, and what are their defaults?

What are the five SAP user types and their key characteristics?

How are mass changes to many users done, and when do user master changes take effect?

In SAP S/4HANA, how has user-based license measurement changed from the classic named-user model?