When two ____ of data ____ then both packets need to be resent. On a quiet network, with little traffic, there are few data ____. On a busy network, with lots of traffic, there are more data collisions. This makes it seem like the network is ‘slow’, but actually it just means that the packets have to be sent more times before they make it through. Some types of ____ medium have higher ____. Bandwidth measures how much ____ that medium can transfer in one unit of time. ____ cable has a higher bandwidth than ____ – this is why having fibre broadband is popular ____ is the time it takes for one packet to arrive.

Factors affecting network performance

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