Provide logical case studies where the application of the following types of OS can be justified (provide at least three justifications): Distributed OS Real-time OS Your case study should follow the pattern given below as an example for the installation of Network OS: John is the Technical Lead at Paradise Travel, a tourism company having 55 employees. The company has four departments that work together to manage the overall business. John has decided that a Windows Server 2016, a Network Operating System based Client-Server model will best fit the need of the company. The primary reasons for his choice are as below: The users will only login once and should be able to access various systems used internally using that single sign-on credential. John and his team will be able to easily maintain and set up such access for the users with effective security policies. As there are four departments, oftentimes some administrative roles can be delegated to o ne of the responsible person in each of the departments. As the employees have stated that they do not want to keep calling the IT folks for everything, such a system can be designed through Organizational Unit feature of Windows Server. Sharing of equipment such as Printers and Faxes are of critical importance, and Network OS such as Windows Servers have good support for it..