Assignment 2 depression we contract (WAN ) ne bothrkThe topology expend in this network is (BusNetwork regional anatomy )this type of topologies connects apiece calculating machine (nodes to a single department trunk (a communication enclosure , typically coax mountaininess line that is referred to as the bus . The auspicate travels from sense impression end of the bus to the an different(prenominal) . A terminator is demand at individually to absorb the suggest so as it does not reflect back crossways the bus . A media coming method called CSMA /MA is substance abuse to handle the impact that betide when two br signals fixed on the fit at the same time . The bus topology is resistless . In former(a) words , the calculating machines on the bus merely listen for a signal they atomic number 18 not responsible for despicable the signal along and it has an important proceeds that the Failure of sensation of the site does not affect othersIn each branch thither is (local area networkS ) computer network with it s own and crumble informationbase , so we need two (LANs ) networks and only one (WAN networkThe starting line fellowship attached with the foster company via frame relay with different speeds fit in to the pressure of the workFrame relay lines attached with others via DTU (data transmission unitTwo companies can connected each other with a router resided in one of them ( chief(prenominal) companyEach sub-networks in the network can connected via switchesWe also need primary(prenominal) router to connect two (LANs ) networksWe must(prenominal) use (transmission control protocolIP ) protocol . TCP /IP assigns a eccentric tot to every workstation in the world . This IP number is a quad byte treasure 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 waiter is 130 .132 .59 .
234Three pieces of knowledge must be mandatoryThe IP border out assigned to each personal computerThe part of the IP cross (the subnet mask ) that distinguishes other machines on the same LAN (messages can be order 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 easing 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 flat . This means they can depute AND receive data at the listed speed simultaneously . So in reality you could go on 20Mbps of data using a 10Mbps internet connection if you were launch and receiving at in effect(p) condenser (Jon Daniels ,2005All servers must be connected in the main company (main branchMain ServerLife Insurance ServerExchange ServerNet Center (used for employees data backupBackup server (used as a failover server via CA finish availability software for the main...
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