Networks

• What is the main benefit of networking computers?

  It enables many computing applications to be possible.
• What are the three classifications of networks?

  • Local Area Networks (LANs)
  • Wide Area Networks (WANs)
  • Personal Area Networks (PANs)
• What defines a Local Area Network (LAN)?

  A LAN is a network of computers that covers a small area, like a school or college.
• What is the geographical scope of a Wide Area Network (WAN)?

  A WAN spans across a wide geographical area, covering multiple sites or countries.
• Why do organizations use a WAN?

  To allow the head office to communicate and share data with sub-offices and branches.
• What is the internet classified as in terms of network type?

  The internet is essentially a huge, international WAN.
• What is a Personal Area Network (PAN)?

  A PAN is a network that connects personal devices over a very small area, often no more than a few meters.
• How can a smartphone be used in relation to a PAN?

  A smartphone can create a 'hotspot' to set up a PAN using Wi-Fi or Bluetooth.
• What is Wi-Fi?

  Wi-Fi is a method of connecting to the internet wirelessly using radio waves.
• What is Bluetooth used for?

  Bluetooth is a wireless technology used for transmitting data over short distances.
• What are the key facts about LANs, WANs, and PANs?

  • LAN: Geographically confined to one building or site.
  • WAN: Spread over a wide geographical area.
  • PAN: Connects personal devices and spreads over a very small area.