NTC 362 Week 3 DQ 1

Feb 3rd, 2012
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NTC 362 Week 3 DQ 1What are the advantages and disadvantages of network processors, such as hubs, switches, routers, and gateways?This is only the preview, to view the complete answer to the DQ you will have to buy itANSWERHub AdvantagesVisibility: Using an hub allows you to eaves-drop on conversations with a network protocol analyzer, often called a "sniffer".Cost: Because hubs are less complicated, they tend tocost lessper port than switches.Hub DisadvantagesBecause they repeat all traffic they receive on all attached ports each connected NIC will have a more difficult time getting its traffic onto the network. Whenever one NIC sends a message, all others must wait for it to pass before they get their own message onto the network.Switch AdvantagesClient Performance: Because any given system attached to a switch sees only information explicitly addressed to its NIC, there is less overhead time spent throwing away packets that it does not need to read.Higher Throughput: Because only relevant traffic is sent down any given network port, each NIC gets its own packets delivered to the switch independently of each oth

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