Chapter 6 vocab Flashcards
A group of networked computers that are physically close together, usually in the same building.
Local Area Network (LAN)
A network of interconnected LANs across a large geographical location
Wide Area Network (WAN)
A MAN connects smaller LANs into a larger, centralized network. A MAN covers a larger area than a LAN, but is not as large as a WAN. MANs are commonly used to describe networks in large university campuses, large cities, or a collection of cities and towns in a geographical area.
Metropolitan Area Network (MAN)
organizations that provide many services for accessing and using the Internet.
Internet Service Providers (ISP)
A network security device that protects a network by examining the traffic before transferring it to the network.
Firewall
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 television lines.
Modem
A network device that moves traffic between two different IP networks.
Router
A network device that moves traffic within an IP network.
Switch
A computer component that provides a port (usually RJ-45) where a network cable can be connected.
Network Interface card
A technology that uses specially encoded tags that respond in a specific way when scanned by a radio frequency reader. often used by placing a smartphone near a scanner to pay for an item in a store.
Near Field Communications (NFC)
a technology typically used for tracking objects.
Radio Frequency ID
(RFID)
A computer that provides network access to shared disk storage.
File Server
A computer that provides email services to a network.
Mail Server
A computer that stores web pages and hypertext documents and transmits them to devices requesting these pages.
Web Server
A computer that stores databases, which are huge repositories of organized data.
Database Server
A computer that provides a gaming environment that tracks events in multiplayer video games.
Gaming Server
A computing model where computer servers supply network and computational services (such as email, file sharing, online gaming, and VoIP) that are consumed by client computers.
Client-Server Model
A LAN that only services a home or small business,
SOHO
The principal communications protocol in the internet protocol suite that is used to route information over the Internet.
Internet Protocol (IP)
An important protocol in the internet protocol suite that enables two hosts to establish a connection and exchange data.
Transmission Control Protocol (TCP)
An important protocol in the internet protocol suite that is generally used when speed in transmission is more important than accuracy since the sending computer doesn’t verify that the packets were correctly received.
User Datagram Protocol (UDP)
A protocol that helps internet users and network devices discover other devices using a human-readable hostname instead of numeric IP addresses.
Domain Name System (DNS)
A protocol that governs the transfer of web content between computers.
Hypertext Transfer Protocol (HTTP)
A protocol that combines HTTP with the Secure Sockets Layer (SSL) protocol to securely transfer web content between computers.
Hypertext Transfer Protocol Secure (HTTPS)
