1. Explain how to set up user and group account in the active directory, in addition, please explain how to have file and folders sharing. Please give examples. 2. List 3 situations that printers in a network needs to troubleshooting and how to fix or repair it. 3. Explain one situation how virtual memory might affect printing. 4. In a client-server based network, if the server is installed with Windows Server 2016, the workstations are installed with Windows 10, please explain 5 situations that might affect the network connectivity and also provide solution on how to fix it. 5. In Windows server-based networks, please explain at least 5 strategies on how to conduct data backup and data recovery. Give example.