Networks

• What does LAN stand for?

  Local Area Network
• What does WAN stand for?

  Wide Area Network
• What is a wide area network (WAN)?

  A network that covers a large geographical area
• What is the purpose of a network cable?

  To connect computers in a network
• What is a wireless network interface card (WNIC)?

  A device that allows wireless network connections
• What does digital technology consist of?

  A number of computers linked together
• What are the advantages of using a network?

  Users can save work to a file server
• What are the disadvantages of using a network?

  Setup costs can be expensive
• What is the World Wide Web?

  An application that uses the internet
• What is a URL?

  Uniform Resource Locator
• What is an intranet?

  A private network for an organization
• What are network cables used for?

  To physically connect computers to a network
• What are Ethernet cables made of?

  Copper wires that carry electrical signals
• What do optical cables do?

  Transmit data via pulses of light
• What is the function of a switch in a network?

  Connects multiple computers directly
• What is the role of a router?

  Connects multiple networks together
• How does a router determine the best route for data?

  By examining data and using IP addresses
• What is a bus network?

  A network where computers connect to a main cable
• What happens if the backbone of a bus network fails?

  The entire network will fail to operate
• What is a star network?

  A network where each computer connects to a central server
• What happens if a cable fails in a star network?

  Only the connected computer is affected
• What is a ring network?

  A network where each computer connects to two others
• What happens if a cable fails in a ring network?

  The whole connection is affected
• How do you add a new computer to a ring network?

  By connecting it to existing computers' cables
• What is a workstation?

  A computer used for individual tasks
• What is a printer in a network context?

  A device that produces hard copies of documents