Final answer:
The Network Administrator also uses the Windows Operating System to install software and administer network security.
Step-by-step explanation:
The Network Administrator also uses the Windows Operating System to install software and administer network security. Windows is a widely used operating system that provides a user-friendly interface and a range of tools for managing networks. The administrator can use features like Group Policy to enforce security policies across the network and remote administration tools to manage network devices from a central location.