Answer:
Option b is the correct answer for the above question.
Explanation:
A network operating system is an operating system that operates the functions of the network. It is designed to troubleshoot the host and detects the host where it lies in the network. The main function of the network operating system is to operate the network. The above question asked about the term which is used to operate the network. Then the answer is the network operating system which is stated from option b. Hence option b is the correct answer while the other is not because--