1. What do you know about the active directory in the system administration? It is the centralized control of everything that the active directory can assure. The information and settings related to the development are stored in the central database. For example, The database might list 100 user accounts with details like each person’s job title, phone number, and password. 2. What is Group Policy It provides a central place for administrators to manage and configure operating systems , applications, and user settings. Using it properly enables you to increase the security of users’ computers and help defend against insider and external threats. 3. Why would you not restore a DC that was last backed up eight months ago? Look for candidates who understand that a DC is a domain controller, and that backup files should generally not be older than 180 days. Backing up a DC that is several months old could lead to inconsistent data, caused by lingering objects. 4...