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ICT

Saskia Lambot IT GCSE Englisch 18 Karten

Karten in diesem Stapel (18)

  1. 1What is a LANLocal Area Network
  2. 2Define LANA network of a small geographical area (e.g. house) that connects all of the computers in a household
  3. 3Define a networkTwo or more computers connected together to share data
    However, they are never 100% secure (even cable)
  4. 4What are the advantages of a LAN• Sharing the internet connection
    • Sharing files, including backing up
    • Sharing peripherals i.e. printers (so you don’t have to buy multiple ones)
    • Internet telephone services
  5. 5Define a RouterA router allows you to connect to the internet.
  6. 6What does the router do?It gives them an internal IP address so it ‘knows’ where to send the data
  7. 7What does IP address mean?Internet protocol address
  8. 8Advantages of a cable connectionBandwidth: Fast (1 gigabit per second)
    Security: Good - a user will have to plug in to use it
    Should not experience interference
  9. 9Disadvantages of a cable connectionSetting up is very complex cables have to run through the house
    Installation is expensive
    Mobility: Can not connect without a socket.
  10. 10Advantages of a wireless connectionAll you need is a wireless router
    It is much cheaper to set up.
    Mobility: you can access it anywhere in the house.
  11. 11Disadvantages of a wireless connectionSlower: 54 megabits per second
    Security: Poor anyone in range can use it (unless a password is used)
    Interference: can be affected by walls/electronic devices connected
  12. 12What is encryptionScrambles data so that only computers with the right key can read it.
  13. 13Types of EncryptionWEP (most common)
    WPA-PSK (more secure)
    WPA2 (more secure)
  14. 14What does MAC stand forMedia access control
  15. 15What does MAC do?It is given to each device on your network.
    You can specify which addresses can connect to your network
    It is a unique number
  16. 16What is a NICNetwork interference card
  17. 17How do you increase network security?Changing the default admin password
    Setting up a form of encryption
    Setting up media access control
    address filtering
    Hiding the router by stopping the router broadcasting its SSID (Network Name)
    Turning off the router when not in use
    Reducing transmitter power
  18. 18What does SSID stand for?Service Set Identifier (Network name)

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GCSE IT Karteikarten am ICT, erstellt von Saskia Lambot am 06/11/2017.
Erstellt von
Saskia Lambot
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