Communication and Data Flow Quiz

Communication in Computer Networks

• Communication in computer networks refers to the exchange of data, instructions, or information between devices, systems, or networks.

Types of Communication

• Half-duplex communication: allows data transfer in both directions, but not simultaneously.
• Full-duplex communication: allows data transfer in both directions simultaneously.

Personal Area Network (PAN)

• A PAN is a computer network that connects devices centered around an individual, typically within a range of 10 meters.
• The range of a PAN is typically around 10 meters.

Types of Computer Networks

• The three main types of computer networks based on their size are:
  • LAN (Local Area Network): connects devices in a limited geographical area, such as a home, office building, or campus.
  • MAN (Metropolitan Area Network): connects devices in a metropolitan area, such as a city or town.
  • WAN (Wide Area Network): connects devices over a large geographical area, such as a country or continent.

Network Communication

• Network communication refers to the exchange of data, instructions, or information between devices, systems, or networks.

Network Topologies

• Point-to-point connection: a direct connection between two devices.
• Multipoint connection: a connection between multiple devices.
• Bus topology: a single cable connects all devices, allowing for easy installation and removal of devices.
• Disadvantage of ring topology: if one device fails, the entire network fails.

Network Protocols and Technologies

• FTP (File Transfer Protocol): a protocol used for transferring files over a network.
• Network protocol: a set of rules and standards that govern data communication over a network.
• A network protocol defines the format, timing, and error-checking systems for data exchange.