BUSI 3040U Chapter Notes - Chapter 6: Asynchronous Transfer Mode, Digital Subscriber Line, Wide Area Network
Document Summary
Wide a(cid:396)ea net(cid:449)o(cid:396)ks (cid:894)wan(cid:895) generally provided by common carriers that cover a wide geographic area: route(cid:396) communication processor that routes messages from a lan to the internet, across several connected. Lans, or across a wide area network such as the internet. E(cid:374)te(cid:396)p(cid:396)ise (cid:374)et(cid:449)o(cid:396)ks encompassing an organization, composed of interconnected multiple lans and wans: ba(cid:272)k(cid:271)o(cid:374)e (cid:374)et(cid:449)o(cid:396)ks high-speed central network to which multiple smaller networks connect. Communication media and channels: cable/ wireline media communications channels that use physical wires or cable to transmit data and information, broadcast/ wireless media use of electromagnetic media to transmit data. Communication medium consisting of strands of copper wire twisted together in pairs. Insulated copper wire; used to carry high-speed data traffic and television signals. Communication medium consisting of thousands of very thin filaments of glass fibers, surrounded by cladding, that transmits information via light pulses generated by lasers.
