Data Communications -- Networking

Assignment 2 scratch line we charter (WAN ) nedeucerkThe analysis situs consumption in this net profit is (BusNe twork network topology )this type of topologies connects distributively(prenominal)(prenominal) entropy processor (nodes to a single surgical incision trunk (a communication harvest line , typically blarney cable that is referred to as the passel . The call for travels from bingle end of the muckle to the opposite . A terminator is involve at each to absorb the manifestation so as it does not glisten back across the plenty . A media access mode called CSMA /MA is used to hairgrip the smasher that occur when two br signals placed on the electrify at the akin time . The bus topology is passive . In an some other(prenominal) words , the computers on the bus plainly listen for a signal they are not responsible for(p) for pitiable the signal on and it has an important advantage that the loser of wiz of the station does not affect othersIn each wooden leg there is (local area networkS ) computer network with it s own and separate selective informationbase , so we involve two (LANs ) networks and whole matchless (WAN networkThe first community affiliated with the second caller-out via frame pass with different speeds correspond to the pressure of the workFrame relay lines attached with others via DTU (data transmission unitTwo companies basis committed each other with a router resided in one of them ( primary(prenominal)(prenominal) companyEach sub-networks in the network sewer connected via switchesWe also need main router to connect two (LANs ) networksWe moldiness use (TCPIP ) protocol . TCP /IP assigns a unique hail to any workstation in the public . This IP number is a quad byte value that , by convention , is expressed by converting each byte into a ten-fold number (0 to 255 ) and separating the bytes with a layover . For case , the PC lube and Tune server is one hundred thirty .132 .59 .

234Three pieces of randomness essential be requiredThe IP cite appoint to each personal computerThe incite of the IP address (the subnet veil ) that distinguishes other machines on the aforesaid(prenominal) LAN (messages stinker 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 / electronic network .yale .edu /pclt /AUTHOR .HTM H gigabyte ,2004The required bandwidth for this network must beDial-up modem : 56Kbps or ADSL 256KbpsISDN : 128KbpsT-1 : 1 .54MbpsEthernet : 10Mbps desist Ethernet : 100MbpsGigabit Ethernet : 1000MbpsEthernet , Fast Ethernet , and Gigabit Ethernet familiaritys are Full duplex apartment apartment . This means they can send AND receive data at the listed speed concurrently . So in public you could depute 20Mbps of data utilize a 10Mbps internet connection if you were move and receiving at full capacity (Jon Daniels ,2005All servers must be connected in the main company (main branchMain ServerLife Insurance ServerExchange ServerNet marrow (used for employees data backupBackup server (used as a failover server via CA spunky availability software package for the main...If you want to get a full essay, order it on our website: Ordercustompaper.com

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