Networking Fundamentals
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Networking Fundamentals

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Questions and Answers

What is the primary function of a router in a network?

  • To repeat incoming data signals to multiple devices
  • To connect devices within a network
  • To modulate and demodulate signals for internet connectivity
  • To connect multiple networks and route traffic (correct)
  • What is the difference between a physical topology and a logical topology?

  • Physical topology is the way data flows, while logical topology is the physical layout
  • Physical topology is used for LANs, while logical topology is used for WANs
  • Physical topology is the physical layout, while logical topology is the way data flows (correct)
  • Physical topology is used for wired networks, while logical topology is used for wireless networks
  • What is the primary function of the TCP protocol in the TCP/IP suite?

  • To ensure reliable data transfer, error-checking, and correction (correct)
  • To assign IP addresses and route packets
  • To connect devices within a network
  • To modulate and demodulate signals for internet connectivity
  • What is the primary function of a switch in a network?

    <p>To connect devices within a network and forward packets</p> Signup and view all the answers

    What is the primary function of a hub in a network?

    <p>To repeat incoming data signals to multiple devices</p> Signup and view all the answers

    What is the primary function of the HTTP protocol?

    <p>To transfer data over the internet for web browsing, requests, and responses</p> Signup and view all the answers

    What is the primary difference between a LAN and a WAN?

    <p>A LAN connects devices in a limited geographical area, while a WAN covers a larger geographical area</p> Signup and view all the answers

    What is the primary function of a modem in a network?

    <p>To modulate and demodulate signals for internet connectivity</p> Signup and view all the answers

    What type of network connects devices wirelessly in a limited area?

    <p>WLAN</p> Signup and view all the answers

    Study Notes

    Networking Fundamentals

    Network Topologies

    • Physical Topology: The physical layout of devices in a network
      • Examples: Bus, Star, Ring, Mesh
    • Logical Topology: The way data flows through a network
      • Examples: Bus, Token Ring, Ethernet

    Network Protocols

    • TCP/IP (Transmission Control Protocol/Internet Protocol): A suite of protocols used for communication on the internet
      • TCP: ensures reliable data transfer, error-checking, and correction
      • IP: assigns IP addresses, routing, and packet forwarding
    • HTTP (Hypertext Transfer Protocol): A protocol for transferring data over the internet
      • Used for web browsing, requests, and responses

    Network Devices

    • Routers: Connect multiple networks, route traffic, and forward packets
    • Switches: Connect devices within a network, forward packets, and manage traffic
    • Hubs: Simple network devices that connect multiple devices, repeating incoming data signals
    • Modems: Modulate and demodulate signals for internet connectivity

    Network Types

    • LAN (Local Area Network): A network that connects devices in a limited geographical area
    • WAN (Wide Area Network): A network that covers a larger geographical area, often using telecommunications networks
    • MAN (Metropolitan Area Network): A network that connects devices in a metropolitan area
    • WLAN (Wireless Local Area Network): A network that connects devices wirelessly in a limited area

    Networking Fundamentals

    Network Topologies

    • Physical Topology defines the physical layout of devices in a network, including bus, star, ring, and mesh configurations.
    • Logical Topology defines the way data flows through a network, including bus, token ring, and ethernet configurations.

    Network Protocols

    TCP/IP Suite

    • TCP (Transmission Control Protocol) ensures reliable data transfer, error-checking, and correction.
    • IP (Internet Protocol) assigns IP addresses, routes, and forwards packets.

    HTTP

    • Hypertext Transfer Protocol is used for transferring data over the internet, specifically for web browsing, requests, and responses.

    Network Devices

    Routers

    • Routers connect multiple networks, route traffic, and forward packets between networks.

    Switches

    • Switches connect devices within a network, forward packets, and manage traffic at the data link layer.

    Hubs

    • Hubs are simple network devices that connect multiple devices, repeating incoming data signals.

    Modems

    • Modems modulate and demodulate signals for internet connectivity, enabling data transmission over phone or cable lines.

    Network Types

    LAN

    • Local Area Network (LAN) connects devices in a limited geographical area, such as a home, office, or building.

    WAN

    • Wide Area Network (WAN) covers a larger geographical area, often using telecommunications networks, such as a city or country.

    MAN

    • Metropolitan Area Network (MAN) connects devices in a metropolitan area, such as a university or business campus.

    WLAN

    • Wireless Local Area Network (WLAN) connects devices wirelessly in a limited area, such as a home or coffee shop.

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    Description

    Explore network topologies and protocols, including physical and logical layouts, and TCP/IP suite for reliable communication on the internet.

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