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Assignment 2 primary we contract (WAN ) nedeucerkThe topology put on in this vane is (BusNetwork topographic anatomy )this type of topologies connects apiece reckoner (nodes to a single divide trunk (a communication frontier , typically coax blood that is referred to as the jalopy . The foretoken travels from one end of the bus to the an other(a)(prenominal) . A terminator is demand at individually to absorb the portend so as it does not reflect back crosswise the bus . A media entry method called CSMA /MA is employ to handle the impact that pop off when two br signals fixed on the fit at the same time . The bus topology is resistless . In other words , the electronic computers on the bus merely listen for a signal they are not responsible for despicable the signal along and it has an important emolument that the Failure of sensation of the beam does not affect othersIn distributively branch thither is (local area networkS ) computer network with it s own and distract informationbase , so we need two (LANs ) networks and only one (WAN networkThe offshoot company attached with the cooperate company via frame relay race with different speeds fit in to the pressure of the workFrame relay lines attached with others via DTU (data transmission unitTwo companies ignore affiliated distributively other with a router resided in one of them ( chief(prenominal) companyEach sub-networks in the network can connected via switchesWe also need main(prenominal)(prenominal) router to connect two (LANs ) networksWe must(prenominal)iness(prenominal) do (transmission control protocolIP ) protocol . TCP /IP assigns a unequaled go to every workstation in the world . This IP number is a quad byte lever that , by convention , is evince by converting each byte into a decimal number (0 to 255 ) and separating the bytes with a period . For slip , the PC Lube and Tune host is 130 .132 .59 .

234Three pieces of knowledge must be requiredThe IP moulding out assigned to each personal computerThe part of the IP care (the subnet mask ) that distinguishes other machines on the same LAN (messages can be mail to them directly ) from machines in other departments or elsewhere in the world (which are displace to a router machineThe IP address of the router machine that connects this LAN to the residual of the world ( HYPERLINK http /network .yale .edu /pclt /AUTHOR .HTM H sarin ,2004The required bandwidth for this network must beDial-up modem : 56Kbps or ADSL 256KbpsISDN : 128KbpsT-1 : 1 .54MbpsEthernet : 10Mbps abstain Ethernet : 100MbpsGigabit Ethernet : 1000MbpsEthernet , Fast Ethernet , and Gigabit Ethernet conjunctions are Full semidetached house apartment . This means they can send AND receive data at the listed speed simultaneously . So in humankind you could conduct 20Mbps of data utilize a 10Mbps internet connection if you were send and receiving at in effect(p) capacity (Jon Daniels ,2005All servers must be connected in the main company (main branchMain ServerLife Insurance ServerExchange ServerNet aggregate (used for employees data backupBackup server (used as a failover server via CA utmost availability software product for the main...

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