正解:D
A workstation operating system, such as Windows 10 or macOS, is most likely used to provide the graphical user interface (GUI) for a workplace employee. These operating systems are designed for daily use by employees, providing a user-friendly environment for running applications, accessing files, and performing tasks.
A . Hypervisor is used for managing virtual machines, not for providing a GUI for end users.
B . Firmware operates at a lower level, controlling hardware, and does not provide a user GUI.
C . Server operating systems manage network resources and services but are not typically used directly by employees for everyday tasks.
Reference:
CompTIA A+ Certification Exam Guide
Official CompTIA IT Fundamentals (ITF+) Certification Study Materials