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Network Terminology
regular flashcards
Term | Definition |
---|---|
Network Interface | A computer component that provides a port (usually RJ-45) where a network cable can be connected |
Network Cable | A cable that provides connectivity between network devices. A common network cable connects a computers networks interface with a wall jack. |
Wall Jack | A device, usually located on a building wall, that provides a port (usually RJ-45) where a network cable can be connected. On the hidden side of a wall jack is wiring to a patch panel or to a network device. |
Local Area Network | (LAN) A group of networked computers that are physically close together,usually in the same building. |
Wide Area Network | (WAN) A network of interconnected LAN's across a large geographical location |
Client-Server Model | A computing model where computer severs supply networks and computational service (such as email, file sharing, online gaming, and VoLP) that are consumed by client computers. |
File server | A computer that provides email services to a network |
Mail Server | A computer that provides email service to a network |
Web Server | A computer that stores web pages and hypertext documents and transmits then to devices requesting these pages. |
Database Server | A computer that stores databases, which are huge repositories of organized data. |
Gaming Server | A computer that provides a gaming environment that tracks events in multiplayer video games. |
Modem | Short for modulator/demodulator, a network device that converts digital signals used by modern networks to analog signals that are typically carried by telephone or cable tv lines. |
Router | A network device that moves traffic between two different IP networks |
Switch | A network device that moves traffic within an IP network. |
Access Point | A network device that connects wireless devices to wired networks |
Firewall | A network security device that protects a network by examining the traffic before transferring it to the network. |
Home Router | A small network device with modem, firewall, routing, and switching features that is used in homes and small businesses. |
Registering Jack 11- (RJ-11) Interface | A network interface or connection with four pins and a clip to hold the plug into a wall socket, RJ-11 is used to connect to a plain old telephone line. In a DSL network, this interface connects the modem to the wall jack |
Registering Jack 45 (RJ-45) Interface | A network interface or connection with eight pins, that is similar, but wider than RJ-11 connectors, RJ-45 is used to create a wired connection between a computer and a network |
Bluetooth | A technology used to create wireless connections between computers and devices. |
Near Field Communications (NFC) | A technology that uses specially encoded tags that respond in a specific way when scanned by a radio frequency reader. NFC is often used bu placing a smartphone near a scanner to pay for an item in a store |
Dial-Up | A technology used in the early days of the internet where a computer would make a phone call to the ISP to establish internet connectivity |
Digital Subscriber Line (DSL) | A technology that uses phone lines to establish high-speed connectivity to the internet through an ISP |
Cable | A technology that uses cable tv lines to establish high-speed connectivity to the internet through an ISP |
Fiber Optic | A technology that used fiber optic cables that carry lights signals to establish high-speed connectivity to the internet through an ISP |
Satellite | A technology that sends signals to and from a satellite to establish connectivity to the internet through an ISP |
Cellular | A technology that uses cellular redo signals to establish connectivity to the internet through an ISP |
WI-FI | A technology that uses radio signals to connect a device to an access point |