HUB

<div> &nbsp;</div> <div> 1st generation : HUB</div> <div> HUB Means network death</div> <div> &nbsp;</div> <div> 1:) work on half duplex</div> <div> it can send or receive that not simentaneoulsy if anyone try to send or receive at a same time collision will occur and all the data is drop</div> <div> &nbsp;</div> <div> &nbsp;</div> <div> 2:) No Security</div> <div> this is why because &nbsp;it work on layer 1&nbsp;</div> <div> &nbsp;</div> <div> 3:) CSMA/CD carrier Sense Multiple Access/Collision Detection</div> <div> it is used to detech that is there any collision is going to occur and if there is collision occur than it will run BACKOFF ALGO</div> <div> &nbsp;</div> <div> &nbsp;</div> <div> &nbsp;</div> <div> 4:) single collision domain</div> <div> only one person can send at a time&nbsp;</div> <div> &nbsp;</div> <div> &nbsp;</div> <div> 5:) same speed on each port</div>

By : | Category : Educational| Date : August 15,2014

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