Author: estudiante de la vida
Secure your systems by arming yourself with knowledge
estudiante de la vida 0 Comments S.T.E.A.M.
Network is where at least two nodes/hosts (laptops, desktops, mainframes, cellphones, …etc.) are communicating with each other. In a communication session, one host acts as a client (requesting information) and one acts as a server (providing information). When networks were first developed, a host either acted as a client or server at one time. Fortunately for us, scientists and engineers figured out how to improve communication by allowing devices to be both clients and servers simultaneously.
Types of Networks!
The internet is interconnection of networks. When you connect to the internet, the internet connects to you. There are two types of networks that makes up most the internet, Local Area Networks(LANS) and Wide Area Networks(WANS). The size of a network, i.e. the number of hosts in the network, doesn’t determine if it’s a LAN or WAN. It’s how the hosts connect and their geographic location that makes that determination. Most end users connect to a LAN, and LANs connect to each other through WANs. For example, when a small business owner downloads a file from their server, they have successfully connected to the office LAN. When the owner is home, and on their network-enabled printer, prints a file from a USB flash drive on their laptop; they were connected to their home LAN. Lastly, if the owner needed a file on the office’s network share, quickly and securely; they would log in to their company’s network via a VPN connection and retrieve the file. Because these two areas are most likely separate in geographic location; the owner needs to rely on their ISP(s) for a WAN connection.
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