Communication

• What is a network?

  A collection of connected devices
• What does the Internet provide?

  Information and communication facilities
• What is network topology?

  The arrangement of nodes and connections
• What is a data packet?

  A formatted unit of transmitted data
• What is a protocol in networking?

  A set of rules for device communication
• What does connectivity refer to?

  Methods for connecting devices
• What are the advantages and disadvantages of networks compared to stand-alone computers?

  Advantages:

  • Resource sharing
  • Centralized data management
  • Enhanced communication

  
  

  Disadvantages:

  • Security risks
  • Complexity in management
  • Dependency on network availability
• What are the four main network topologies?

  1. Mesh
  2. Star
  3. Ring
  4. Bus
• What are the two main types of networks?

  WAN and LAN
• What is circuit switching?

  A dedicated link between two nodes
• How does packet switching work?

  Packets take different routes to destination
• What is routing in networking?

  Selecting paths for packet transmission