Your company has an Active Directory forest. The forest includes organizational units  corresponding to the following four locations：     - London  - Chicago  - New York  - Madrid   Each location has a child organizational unit named Sales. The Sales organizational unit contains  all the users and computers from the sales department.     The offices in London， Chicago， and New York are connected by T1 connections. The office in  Madrid is connected by a 256-Kbps ISDN connection.     You need to install an application on all the computers in the sales department.     Which two actions should you perform（）