________ is the process of evaluating input from a user to determine whether or not it is valid

Which account type lets an individual use most of the capabilities of the computer but requires permission to make changes that affect other users?

A) guest account B) administrator account C) supervisor account D) standard user account

An ________typically starts with a user reporting an issue and ends with a help desk technician closing it after the issue is resolved

Fill in the blank(s) with correct word