Advantages/Disadvantages of Networks

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Advantages
Peripherals - better quality peripherals can be purchased, which means that by linking more than one computer together, fewer peripherals are needed, meaning less expense and better utilization of hardware resources
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Sharing Files - Only memory from a server is required and not the memory usage per computer, resulting in no duplication of files on a system. Sharing of files also results in better team collaboration within organisations. E.g. Bilborough's Moodle.
Log on Anywhere - Password and usernames enable any computer access and as files are saved on a server and not a single computers hard-drive, files can be accessed from the use of any machine, from any location.
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Central Backup - Networks allow us to simply backup the server, rather than backing up data on each machine which is less time consuming and more efficient.
Software Installation - Networks allow software to be installed / updated on the server which is quicker than installing / updating software on individual machines. This also leads to better software license management.
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Virus Checks - Anti-virus software can be installed and run centrally from a server. It means only 1 license needs to be purchased for multiple machines and quicker virus scans can be run centrally across all machines.
Security - Networks offer security by only allowing you to access your own area and files through the use of passwords and usernames.
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Transfer of Viruses - With computers being connected centrally via a network, viruses can spread rapidly even if its intentional/unintentional. This sometimes makes it harder to locate the virus and can be costly if not removed!
Network Failure - If the network goes down, this results in system downtime and no-one can access their files from the central server. This may also cause a backlog in jobs to be done, as well as being an expense to the organisation.
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Slow Service - Adding more users to a network can slow down the bandwidth, meaning little productivity. For organisations this could be costly if deadlines need to be met, yet productivity is limited due to a slow network supporting lots of users.
Cost - Networks are not cheap. The costs of cabling and maintenance can be expensive. They are very high in maintenance e.g. conducting regular backups and anti-virus scans. The costs of servers can also vary too.
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Expert Support - Networks need constant monitoring for threats such as viruses, hackers or any hardware/software technical issues.
Disadvantages
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Other cards in this set

Card 2

Front

Sharing Files - Only memory from a server is required and not the memory usage per computer, resulting in no duplication of files on a system. Sharing of files also results in better team collaboration within organisations. E.g. Bilborough's Moodle.

Back

Log on Anywhere - Password and usernames enable any computer access and as files are saved on a server and not a single computers hard-drive, files can be accessed from the use of any machine, from any location.

Card 3

Front

Central Backup - Networks allow us to simply backup the server, rather than backing up data on each machine which is less time consuming and more efficient.

Back

Preview of the front of card 3

Card 4

Front

Virus Checks - Anti-virus software can be installed and run centrally from a server. It means only 1 license needs to be purchased for multiple machines and quicker virus scans can be run centrally across all machines.

Back

Preview of the front of card 4

Card 5

Front

Transfer of Viruses - With computers being connected centrally via a network, viruses can spread rapidly even if its intentional/unintentional. This sometimes makes it harder to locate the virus and can be costly if not removed!

Back

Preview of the front of card 5
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