What is a Windows NT equivalent to a UNIX daemon?

A.
A thread

B.
A process

C.
A protocol

D.
A service

Explanation:
The equivalent is a service, that is something running in the background and servicing the network.
Incorrect Answers:
A: A thread is an execution path. A daemon will have threads too. When running multiple tasks through the same code, each logical path of execution that is running is called a thread. A daemon or service maybe running many threads at the same time.
B: User processes cannot be compared with UNIX deamons.
C: A protocol is a set of instructions on how a procedure will be conducted.