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Course Content


Switches, routers, and wireless access points are the building blocks of networking. The networking basics include switches, routers, and wireless access points. Devices on your network can communicate with one another and with other networks, such as the Internet, using them.

A network is just a collection of two or more computers that are linked together. There are many other types of networks, but the two most prevalent are Local Area Networks (LANs) and Wide-Area Networks (WANs) (WANs).

LAN(Local Area Network) PAN(Personal Area Network) MAN(Metropolitan Area Network) WAN(Wide Area Network)

Users can effortlessly share files with one another. Email and instant messenger are two ways for network users to interact. Users cannot see the files of other users, unlike on stand-alone PCs. Because all of the data is saved on the file server, it's simple to back it up.

When University College London (UK) and Royal Radar Network (Norway) joined to the ARPANET and formed a network of networks, the concept of networking received a boost. Stanford University's Vinton Cerf, Yogen Dalal, and Carl Sunshine invented the name "internet" to characterise this network of networks.

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