ISM test 1 week 4 telecommunications and networks
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12 terms
Terms | Definitions |
|---|---|
 Telecommunications system | - enable the transmission of data over public or private networks |
| Network - | - a communications, data exchange, and resource-sharing system created by linking two or more computers and establishing standards, or protocols, so that they can work together |
| LAN (Local area network) | A ______ is designed to connect a group of computers in close proximity to each other such as in an office building, a school, or a home. |
| files, printers, games, or other applications. | A LAN is useful for sharing resources like _________________ |
| Internet or wide area networks. | A LAN in turn often connects to other LANs, and to the ____or ________. |
| MAN (Metropolitan area network) | a large computer network usually spanning a city |
| WAN (Wide area network) | A _____spans a large geographic area, such as a state, province, or country. |
| WANs | _____ often connect multiple smaller networks, such as local area networks (LANs) or metropolitan area networks (MANs). |
| the internet | what is the worlds most popular WAN? |
| Protocols- | In general, ______ are rules or standards permitting different applications to share data and services. (For example, HTTP is a networking protocol used for accessing the WWW.) |
| Firewall | Most corporate security goes far beyond passwords such as using a "_______," a computer that sits between an internal network and the Internet. |
| firewall | The _____ allows access to internal data from specified incoming sites - but tries to detect unauthorized access attempts and prevent them from occurring. |
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