Wednesday, 9 September 2009

activity 5.1

Activity 5.1



identify the components used in a network that you know of
The components used in a network are: network cards, hubs switches, Ethernet, file server,, wifi


Describe the roles of the components you identified in question 1.


Network card :,( NIC), network interface card, or LAN adapter is a computer hardware component designed to allow computers to communicate over a computer network or to make it easier its role is to connect the network cable to a pc


Hub: is a device for connecting multiple twisted pair or fiber optic Ethernet devices together and thus making them act as a single network segment
Switch: is a computer network device that connects network segments. Both of their roles are to transfer file email e.t.c

Ethernet: Ethernet is a network standard for data transmission using either coaxial or twisted pair cable

File server: its role is to take all the information that needed and pass it to all the networks so whenever you need to work on another computer your work is on there

Wifi: its role is the same as Ethernet its just wire less


research and analyze reasons why switches are better than hubs

switches are better than hubs because they are much more ‘intelligent’ easier to use, not messy everything is ordered where its meant to go .unlike hubs have long cables which look like a tree trunk its much harder to use them because the cables are all over the place .(switches are more expensive than hubs)

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