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Networking > Definition2 > Flashcards

Definition2 Flashcards

1
Q

Definition of a Network

A

A collection of computers and other hardware components interconnected by communication channels that allow sharing of resources and information.

Example: A network in a company allows employees to share files and printers.

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2
Q

Definition of Network Topology

A

The physical or logical arrangement of network devices and how they are connected.

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3
Q

Definition of PAN (Personal Area Network)

A

A network that connects devices within a personal space, typically within a range of 10 meters, such as Bluetooth and Wi-Fi Direct.

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4
Q

Definition of LAN (Local Area Network)

A

A network that covers a small geographical area, such as a home, school, or office, allowing sharing of resources like files and printers.

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5
Q

Definition of MAN (Metropolitan Area Network)

A

A network that spans a city or a large campus, used to connect LANs within a metropolitan area.

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6
Q

Definition of WAN (Wide Area Network)

A

A network that covers a large geographical area, often spanning countries or continents, such as the Internet.

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7
Q

Definition of CAN (Campus Area Network)

A

A network that connects multiple buildings within a campus or a large institution.

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8
Q

Definition of VPN (Virtual Private Network)

A

A secure, encrypted connection over a less secure network, like the internet, used to protect data transmission and ensure privacy.

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9
Q

Definition of SAN (Storage Area Network)

A

A network designed to provide high-speed, reliable access to storage devices.

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10
Q

Definition of NIC (Network Interface Card)

A

A hardware component that allows a computer to connect to a network, either through wired or wireless connections.

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11
Q

Definition of MAC Address (Media Access Control Address)

A

A unique identifier assigned to the network interface of a device, used in communication within the physical network.

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12
Q

Definition of IP Address (Internet Protocol Address)

A

A numerical label assigned to each device connected to a network, used for identifying and locating devices within the network.

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13
Q

Definition of Router

A

A networking device that forwards data packets between computer networks, directing traffic on the internet.

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14
Q

Definition of Switch

A

A device used in a network to connect multiple devices. It uses MAC addresses to forward data to the correct destination, making the network more efficient.

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15
Q

Definition of DNS (Domain Name System)

A

A system that translates domain names like www.example.com into IP addresses, allowing users to access websites without memorizing numerical IP addresses.

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16
Q

Definition of Bandwidth

A

The maximum amount of data that can be transferred over a network in a given amount of time, usually measured in bits per second (bps).

17
Q

Definition of Firewall

A

A security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules.

18
Q

Definition of Packet Switching

A

A method of transmitting data in which messages are divided into packets that travel independently across the network, reassembling at the destination.

19
Q

Definition of Circuit Switching

A

A method of communication where a dedicated communication path is established between two devices for the duration of the connection, typically used in telephone networks.

20
Q

Definition of Message Switching

A

A method where entire messages are stored and forwarded to the next network node. Each message waits in a queue until the next network node is available.

21
Q

Definition of VoIP (Voice over Internet Protocol)

A

A technology that allows voice communication over the internet instead of traditional telephone networks.

22
Q

Definition of TCP (Transmission Control Protocol)

A

A protocol that ensures reliable, ordered, and error-checked delivery of data between applications communicating over an IP network.

23
Q

Definition of UDP (User Datagram Protocol)

A

A protocol used for transmitting data quickly without establishing a connection, but without the reliability and error checking provided by TCP.

24
Q

Definition of HTTP (Hypertext Transfer Protocol)

A

A protocol used for transferring hypertext requests and information on the World Wide Web.

25
Q

Definition of FTP (File Transfer Protocol)

A

A standard network protocol used to transfer files from one host to another over a TCP-based network such as the Internet.

26
Q

Definition of SMTP (Simple Mail Transfer Protocol)

A

A protocol used for sending email messages between servers.

27
Q

Definition of POP (Post Office Protocol)

A

A protocol used by email clients to retrieve email from a server.

28
Q

Definition of IMAP (Internet Message Access Protocol)

A

A protocol used by email clients to access email on a remote mail server, allowing more complex management of messages.

29
Q

Definition of URL (Uniform Resource Locator)

A

The address used to access resources on the internet, such as web pages.

30
Q

Definition of ARP (Address Resolution Protocol)

A

A protocol used to map an IP address to a physical MAC address in a local network.

31
Q

Definition of ICMP (Internet Control Message Protocol)

A

A network layer protocol used for error reporting and diagnostics in network communication.

32
Q

Definition of Wi-Fi (Wireless Fidelity)

A

A technology that allows devices to connect to a network wirelessly using radio waves.

33
Q

Definition of NAT (Network Address Translation)

A

A technique used to modify network address information in packet headers while in transit across a router or firewall.

34
Q

Definition of OSI (Open Systems Interconnection) Model

A

A conceptual framework used to understand and standardize the functions of a telecommunication or computing system without regard to its underlying internal structure and technology.

35
Q

Definition of IaaS (Infrastructure as a Service)

A

A cloud computing service model that provides virtualized computing resources over the internet.

36
Q

Definition of PaaS (Platform as a Service)

A

A cloud computing service model that provides a platform allowing customers to develop, run, and manage applications without dealing with the infrastructure.

37
Q

Definition of SaaS (Software as a Service)

A

A cloud computing service model that provides software applications over the internet, on a subscription basis.

Networking (4 decks)

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