Answer: (D) Service account
Step-by-step explanation:
A service account is the type of the special user account which basically uses the various type of services that help in the interaction with the OS (Operating system).
It is basically provided by the organization to the employees and this type of serve is useful in log on and off in the network are operated by the service account in the operating system configuration.
The service account is basically control various type of action and permission in the network. Therefore, service account is the type of account that the employee received.