COMMUNICATION AND NETWORK TECHNOLOGIES

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48 Terms

1

Network

A group of interconnected computers and devices that communicate with each other to share resources and data.

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2

Advantages of a Network

Benefits such as resource sharing, centralized data management, enhanced communication, and cost efficiency.

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3

Disadvantages of a Network

Drawbacks including security risks, potential network failures, high initial setup costs, and the need for expertise in maintenance.

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4

Server

A device that manages network resources and provides services to client devices, such as a file server or email server.

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5

Network Operating System (NOS)

Software that controls network resources and provides services to clients, examples include Windows Server and Linux.

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6

Network Interface Card (NIC)

Hardware that connects a computer to a network, such as an Ethernet card or Wi-Fi adapter.

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7

Switch

A device that connects devices within a LAN and directs data to its destination, like a Cisco switch.

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8

Router

A device that directs data between different networks, such as a home Wi-Fi router.

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9

Bandwidth

The amount of data that can be transmitted over a network in a given time period.

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10

Broadband

High-speed internet access that is always on and faster than traditional dial-up.

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11

Range

The distance over which a wireless signal can effectively transmit data.

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12

Backbone

The main connection in a network that carries the most data traffic.

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13

Wired Communication

A reliable, high-speed, and secure method of connecting devices, using cables like Ethernet.

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14

Wireless Communication

A flexible and mobile method of connecting devices, using technologies like Wi-Fi and Bluetooth.

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15

Personal Area Network (PAN)

A small network typically within a range of a few meters, such as Bluetooth devices.

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16

Home Area Network (HAN)

A network within a home connecting personal devices, like a Wi-Fi network.

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17

Local Area Network (LAN)

A network in a limited area like an office or school.

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18

Wide Area Network (WAN)

A network that covers a large geographic area, such as the internet.

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19

Wireless Local Area Network (WLAN)

A LAN that uses wireless technology, like a Wi-Fi network in a coffee shop.

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20

Star Topology

A network layout where all devices are connected to a central hub or switch.

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21

Internet

A global network accessible to anyone.

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22

Intranet

A private network accessible only to an organization’s members.

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23

Extranet

A private network accessible to certain external users with permissions.

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24

Virtual Private Network (VPN)

A secure, encrypted connection over the internet that allows remote users to access a private network.

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25

Location-Based Computing

Technology that uses geographic data to provide services or information based on a user’s location.

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26

Client

A device that requests resources from a server.

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27

Peer

A device that acts both as a client and a server in a network.

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28

Client-Server Architecture

A network where multiple clients request and receive services from a central server.

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29

Peer-to-Peer Architecture

A network where each device can act as both a client and a server.

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30

Remote Desktop Access

Allows a user to remotely control another computer over a network.

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31

BitTorrent

A peer-to-peer file-sharing protocol used to distribute large amounts of data over the internet.

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32

Connecting to the Internet

The process of linking a device to the internet to access online resources and services.

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33

Cellular

A wireless communication technology that uses cell towers to provide mobile access to voice, text, and internet services.

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34

Hotspots

Public or private areas where Wi-Fi is available for internet access.

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35

FTTH (Fibre to the Home)

High-speed internet access delivered via fiber optic cables directly to homes.

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36

Mobile Device

Handheld devices with computing capabilities, such as smartphones and tablets.

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37

Mobile Browsers

Software for accessing the web on mobile devices.

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38

Apps

Software applications designed to perform specific tasks on mobile devices.

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39

Microsoft Outlook App

A dedicated email app with integrated calendar, tasks, and contacts.

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40

e-Learning

The use of electronic media and devices for education and training.

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41

Online Storage

Storing data on the internet through cloud services.

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42

IP (Internet Protocol)

Rules for routing and addressing packets of data across networks.

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43

SMTP (Simple Mail Transfer Protocol)

Used to send emails.

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44

POP3 (Post Office Protocol 3)

Downloads emails from the server to the client and deletes them from the server.

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45

IMAP (Internet Message Access Protocol)

Synchronizes email across multiple devices, leaving the email on the server.

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46

HTTP (Hypertext Transfer Protocol)

The foundation of data communication on the web.

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47

HTTPS (Hypertext Transfer Protocol Secure)

Secure version of HTTP, encrypting data between the browser and the server.

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48

VoIP (Voice over Internet Protocol)

Technology that allows voice calls using an internet

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