Duties and responsibilities1. describe how to use the program to the user, so that the user can use the program correctly and efficiently.2. diagnose and troubleshoot a user's problem
Responsibilities 1. Explains how to use the program to users. So that users can use the program correctly. And a powerful 2. Analysis and troubleshooting of the operator.
Duties and responsibilities.Describes how to use 1. Program to the user. So that users can use the program correctly and effectively.2. Analyze and solve the problems of the user.