What kind of different server roles are bare minimum required for a fully operational LAN?

15 pts.
Tags:
DHCP
DNS
LAN
Networking
Recently, I have been tasked to establish a LAN within my office. I have read that some server roles like domain controller, DNS, DHCP, backup server, Certificate Authority etc. are required to manage LAN. But some people say AAA server is also required, some say database & web server is also required. So I am confused how many different server roles I have to add to make my LAN operational?

Software/Hardware used:
Microsoft Windws Server 2012/2016/ Windows 10/7

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  • Subhendu Sen
    What type of organization, where you are working now? The servers you mentioned, they are all different from each other, however they are all connected to work together. If your office management asked to establish LAN network, then assign IP for each system, and connect them through a hub/switch and check if they ping to each other. A simple LAN means, just for sharing files/folders/printers etc. First of all note down what they want, and according to this you step forward. For LAN cabling etc, you can contact an expert.
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  • alpha101
    Thanks for your reply.
    Well, they say that at present they just want to share some high resolution image files only. I am pretty clear about domain controller to authenticate the users and applying the user policies. I will assign manual IPs and gateways, then configure DC/ADC. I will then configure back up server also. But what about AAA server. Is it required? There are no database requirement so database server should not required, I guess. And there is no web portal requirement also so I think web server shall not be required. In storage i am using NAS, so whether file server will also required. please guide
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  • Jaideep Khanduja
    LAN is a connection that enables your devices to talk to each other and with the servers mutually. Rest all depends on business requirements. 
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  • Kevin Beaver
    What are your business requirements? That alone will define what systems/applications you need. you might be better off hiring an outside IT consulting firm to come in and help you out. This is something that they do all the time and can provide you with guidance that will more than pay for itself.
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