1) Which of the following best defines data communication? a) a) Process of converting data into information b) b) Process of transferring data between two devices through a transmission medium c) c) Storage of data for later use d) d) Processing data using computer software 2) Which of the following is not a component of data communication? a) a) Sender b) b) Receiver c) c) Protocol d) d) Database 3) The device or person that sends data, messages, or information is called the: a) a) Receiver b) b) Transmitter c) c) Sender d) d) Modem 4) The medium through which data is transmitted from one device to another is called: a) a) Channel or Transmission Media b) b) Router c) c) Protocol d) d) Interface 5) Which of the following defines a protocol in data communication? a) a) Rules that govern data representation b) b) Rules that govern data transmission c) c) Rules that govern network design d) d) Rules for connecting hardware devices 6) Bandwidth refers to: a) a) The distance data can travel b) b) The number of bits transmitted per second c) c) The range of frequencies that a communication channel can transmit d) d) The amount of storage available 7) The data transfer rate is measured in: a) a) Hertz (Hz) b) b) Bytes (B) c) c) Bits per second (bps) d) d) Megabytes per minute 8) What does an IP address uniquely identify? a) a) A file on the internet b) b) A specific device or host on a network c) c) A network cable d) d) A user’s password 9) which mode of communication is used in walkie talkies? a) Simplex b) Semi-duplex c) Half-duplex d) Full-duplexS 10) In data communication, the receiver is responsible for: a) a) Sending messages b) b) Receiving and interpreting messages c) c) Encoding data d) d) Routing data packets

quizzzz data communication

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