LANS & WANS

• What are the two main categories of networks to focus on for the exam?

  Local area networks (LANs) and wide area networks (WANs)
• What is a local area network (LAN)?

  A network that covers a small geographical area, typically located on a single site
• Where is a LAN typically located?

  On a single site
• Who typically owns and controls the hardware for a LAN?

  The organization using it
• What types of connections are typically used for LANs?

  UTP cable, fiber optic, and Wi-Fi
• Which type of network does your home network represent?

  Local area network (LAN)
• What is a wide area network (WAN)?

  A network that covers a large geographical area
• What happens when multiple LANs are connected?

  They form a wide area network (WAN)
• What types of connections are typically used for WANs?

  Telephone lines, fiber optic cables, and satellite links
• What are the main differences between a LAN and a WAN?

  • LAN covers a small geographical area; WAN covers a large geographical area.
  • LAN is typically owned by the organization using it; WAN infrastructure is leased from telecommunication companies.
  • LAN connections include UTP cable, fiber optic, and Wi-Fi; WAN connections include telephone lines, fiber optic cables, and satellite links.