1.2.2 Describe the roles that a computer can take in a networked world.

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Client
Computer hardware or software that accesses a service made available by a server.
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Server
A system that responds to requests across a computer network to provide, or help to provide, a network service.
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E-mail server
A mail server usually consists of a storage area where e-mails are stored for local users, a set of user definable rules which determine how the mail server should react to the destination of a specific message.
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DNS server
Naming system for computers, services, or any resource connected to the Internet or a provate network. It associates various information with domain names assigned to each of the participating entities.
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Router
A device that forwards data packets between computer networks. They perform to "traffic directing" functions of data packets on the internet. They are forwarded between routers until they reach their destinations.
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Firewall
Software/Hardware based network security system that controls network traffic by analysing the data packets and allowing admittance to the network based on rule set.
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Other cards in this set

Card 2

Front

A system that responds to requests across a computer network to provide, or help to provide, a network service.

Back

Server

Card 3

Front

A mail server usually consists of a storage area where e-mails are stored for local users, a set of user definable rules which determine how the mail server should react to the destination of a specific message.

Back

Preview of the back of card 3

Card 4

Front

Naming system for computers, services, or any resource connected to the Internet or a provate network. It associates various information with domain names assigned to each of the participating entities.

Back

Preview of the back of card 4

Card 5

Front

A device that forwards data packets between computer networks. They perform to "traffic directing" functions of data packets on the internet. They are forwarded between routers until they reach their destinations.

Back

Preview of the back of card 5
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