Flashcards
network
Flashcards do conjunto (10)
- 1what is a computer network?Two or more computers connected together to share information and resources. (This can involve physical or wireless connections or both.)
- 2What is a LAN?Its a local area network.
- 3What is a WAN?Its a wide area network.
- 4What are the advantages of the computer network?Sharing devices such as printers saves
money.
Site (software) licences are likely to be cheaper than buying several standalone licences.
Files can easily be shared between users.
Network users can communicate by email and instant messenger.
Security is good - users cannot see other users' files unlike on stand-alone machines.
Data is easy to backup as all the data is stored on the file server. - 5What are the disadvantages of the computer network?You need an expert to look after it.
- 6What devices are needed to produce a LAN?Network adaptor
Network medium
Hub/router/switch - 7What is the purpose of a NIC?The NIC contains the electronic circuitry required to communicate using a wired connection or a wireless connection.
- 8What is the purpose of a router?The main purpose of a router is to connect multiple networks and forward packets destined either for its own networks or other networks.
- 9What is the purpose of a hub?A hub, also called a network hub, is a common connection point for devices in a network.
- 10What is the purpose of a switch?The basic function that any switch is supposed to perform is to receive information from any source connected to it and dispatch that information to the appropriate destination only.
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- FlashCards sobre network, criado por Alisha Din em 04-12-2017.
- Criado por
- Alisha Din
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