Assignment 2 jump we contract (WAN ) ne tworkThe topology practice in this network is (BusNetwork network topology )this type of topologies connects apiece electronic calculating machine (nodes to a single component trunk (a communication limit , typically coax line that is referred to as the passenger car . The foreshadow travels from moveiency end of the bus to the a nonher(prenominal) . A terminator is demand at individually to absorb the note so as it does non reflect back crosswise the bus . A media coming method called CSMA /MA is utilize to handle the impact that pass away when two br signals put on the fit at the same time . The bus topology is resistless . In new(prenominal) words , the computers on the bus merely listen for a signal they be not responsible for despicable the signal along and it has an important favor that the Failure of sensation of the range does not affect another(prenominal)sIn from individually one branch thither is (local area networkS ) computer network with it s own and wear out entropybase , so we need two (LANs ) networks and only one (WAN networkThe starting signal conjunction attached with the mho company via frame pass on with different speeds fit in to the pressure of the workFrame relay lines attached with others via DTU (data transmission unitTwo companies can committed each other with a router resided in one of them ( chief(prenominal) companyEach sub-networks in the network can committed via switchesWe also need main router to connect two (LANs ) networksWe must(prenominal) exercising (transmission control protocolIP ) protocol . TCP /IP assigns a quaint material body to every workstation in the world . This IP number is a quad byte set that , by convention , is uttered 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 innkeeper is 130 .132 .59 .
234Three pieces of knowledge must be necessitateThe IP borderline out assigned to each personal computerThe part of the IP visit (the subnet mask ) that distinguishes other machines on the same LAN (messages can be brand 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 proportion of the world ( HYPERLINK http /network .yale .edu /pclt / antecedent .HTM H Gilbert ,2004The required bandwidth for this network must beDial-up modem : 56Kbps or ADSL 256KbpsISDN : 128KbpsT-1 : 1 .54MbpsEthernet : 10MbpsFast Ethernet : 100MbpsGigabit Ethernet : 1000MbpsEthernet , Fast Ethernet , and Gigabit Ethernet connections are Full duplex apartment . This means they can convey AND receive data at the listed speed simultaneously . So in reality you could select 20Mbps of data using a 10Mbps internet connection if you were communicate and receiving at in effect(p) substance (Jon Daniels ,2005All servers must be committed in the main company (main branchMain ServerLife Insurance ServerExchange ServerNet Center (used for employees data backupBackup server (used as a failover server via CA maximum availability software for the main...
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