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1709875
Networks and Communication Part C
Description
A-Level A2- ICT (Chapter 3- Networks and Communications) Mind Map on Networks and Communication Part C, created by Callum Douglas on 26/11/2014.
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a2- ict
chapter 3- networks and communications
a-level
Mind Map by
Callum Douglas
, updated more than 1 year ago
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Created by
Callum Douglas
almost 10 years ago
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Resource summary
Networks and Communication Part C
Client-Server Network
The clients are linked to the server and the server handles; File Storage, Backup, Application Sharing, Printer Management.
They are connected via a communication device.
Passwords are needed in order to gain access to the resources such as files and printers.
These users get a certain amount of storage space, the printers, files (these can be locked for certain users) and software on the server
The antivirus software is managed centrally which means that it is safer, although it does need specialist staff
Peer-to-peer Networks
A peer to peer network does not have a central server
Each of the computers have their own software installed on the computer
It is easier to set up and maintain for a user that does not have specialist help. This is why it is commonly found in homes and small offices.
In a peer to peer network there is no leader that acts as a server as there is no server role.
Advantage and Disadvantage
Advantage for Client-Based
Backups are made centrally so the users don't have to think about them
Antivirus software is taken care of centrally
There is more processing power available to the client as the network processing is done centrally
File sharing is available, as is sharing of resources such as printers and software
Disadvantage for Client-Based
If the server fails then all of the files are inaccessible
A specialist network manager is a necessity
There can be lots of network traffic if lots of applications are run from the server
The hardware is expensive
Advantage for Peer-to-Peer
There is no reliance on a server, only the resources on a particular computer are lost
This type of network can be set up by a non-specialist
No very expensive hardware neeeded
Disadvantages for Peer-to-Peer
The responsibility of backups and maintaining antivirus software is on the user
Processing is done by each client
Software needs to be installed on each computer
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