ITM 301 Chapter Notes - Chapter 1: Network Interface Controller, Local Area Network, Wide Area Network
10 Sep 2015
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Client/server are the most popular - the workstation is the client and the backroom computer is the server. Lans, mans, wans local area network - home, office, peer-to-peer. Wide area network, different transmission medias, separate offices across the country. Client: requesting services or resources from the server - runs an os. Server: provides shared resources and runs nos. Nic: network interface card: connects you to the world. Nos: network operating system: lets servers manager users, groups, applications and data. Node: client, server or other device, identified by a network address. Backbone: network of networks - connects segments - connects 10 switches to 1 router. Topology: the physical layout - ring, bus, star or hybrid. Transmission media: means which data is transmitted (fiber, copper, radio waves) Protocol: standard method for communication between devices. Addressing: system for assigning unique addresses to every node. How networks are used email, printer sharing, file sharing, internet access, remote access communication services - voice, video, email.
