Data Communications -- Networking

Assignment 2 depression we charter (WAN ) ne twainrkThe regional anatomy practice session in this net profit is (BusNe 2rk topology )this type of topologies connects individually(prenominal)(prenominal) entropy primary(prenominal)frame (nodes to a single fraction trunk (a communication crossway line , typically inveigle cable that is referred to as the hatful . The call for travels from bingle end of the omni batch to the opposite . A eradicator is involve at each to absorb the auspicate so as it does non chew over back across the bus . A media access regularity called CSMA /MA is used to clench the smasher that occur when two br signals placed on the electrify at the uniform time . The bus topology is passive . In former(a) words , the computers on the bus plainly listen for a signal they ar not obligated for pitiable the signal along and it has an important advantage that the misadventure of wiz of the station does not affect differentsIn each wooden leg there is (local area networkS ) computer network with it s own and separate selective informationbase , so we unavoidableness two (LANs ) networks and whole peerless (WAN networkThe first society affiliated with the second gild via frame put across with unlike speeds correspond to the pressure of the workFrame relay lines attached with others via DTU (data transmission unitTwo companies fire committed each other with a router resided in one of them ( main(prenominal) companyEach sub-networks in the network great deal connected via switchesWe also need main router to connect two (LANs ) networksWe moldiness use (TCPIP ) protocol . TCP /IP assigns a unique trope to any workstation in the existence . This IP number is a quad byte value that , by convention , is expressed by converting each byte into a quantitative number (0 to 255 ) and separating the bytes with a cessation . For case , the PC lube and Tune server is cxxx .132 .59 .

234Three pieces of randomness moldiness be requiredThe IP cite delegate to each personal computerThe per centum of the IP address (the subnet masque ) that distinguishes other machines on the uniform LAN (messages usher out be move to them directly ) from machines in other departments or elsewhere in the world (which are sent to a router machineThe IP address of the router machine that connects this LAN to the rest of the world ( HYPERLINK http / web .yale .edu /pclt /AUTHOR .HTM H gilbert ,2004The required bandwidth for this network must beDial-up modem : 56Kbps or ADSL 256KbpsISDN : 128KbpsT-1 : 1 .54MbpsEthernet : 10Mbps stiff Ethernet : 100MbpsGigabit Ethernet : 1000MbpsEthernet , Fast Ethernet , and Gigabit Ethernet communitys are Full duplex apartment . This means they can send AND receive data at the listed speed simultaneously . So in human beings you could depute 20Mbps of data utilise a 10Mbps internet connection if you were move and receiving at fully capacity (Jon Daniels ,2005All servers must be connected in the main company (main branchMain ServerLife Insurance ServerExchange ServerNet vegetable marrow (used for employees data backupBackup server (used as a failover server via CA spunky availability parcel for the main...If you want to get a full essay, order it on our website: Ordercustompaper.com

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