Transmission Lines and Data Communication Equipment
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Questions and Answers

What is a transmission line also sometimes referred to as?

  • Data Circuit Terminating Equipment
  • Transmission Channel (correct)
  • Data Communication Equipment
  • Data Terminal Equipment

    • What is the term for the assembly consisting of the DTCE of each machine and the data line?

  • Data Circuit (correct)
  • Transmission Line
  • Data Terminal Equipment
  • Data Communication Equipment

    • What is the vibratory phenomenon that data is transmitted on a physical medium by?

  • Light wave
  • _propagation (correct)
  • Electromagnetic wave
  • Undulating signal

    • What are the characteristics of electromagnetic waves?

    <p>Frequency, amplitude, and phase</p> Signup and view all the answers

    What is the purpose of the physical transmission media?

    <p>To allow information to flow between transmission devices</p> Signup and view all the answers

    What is the term for the equipment that connects to the physical medium at each end machine?

    <p>DCTE</p> Signup and view all the answers

    What is necessary for data transmission to occur?

    <p>A transmission line</p> Signup and view all the answers

    What type of waves are used to transmit data over transmission lines?

    <p>Electromagnetic, electrical, light or acoustic waves</p> Signup and view all the answers

    What is the purpose of a transmission channel?

    <p>To allow data to circulate between machines</p> Signup and view all the answers

    What is the transmission line made up of?

    <p>Several segments</p> Signup and view all the answers

    What is the purpose of encoding in transmission signals?

    <p>To ensure data integrity and transmission speed</p> Signup and view all the answers

    What is multiplexing in the context of data transmission?

    <p>Sharing a transmission line among multiple communication actors</p> Signup and view all the answers

    What is data transmission a type of?

    <p>Vibratory phenomenon</p> Signup and view all the answers

    What is the primary function of a transmitter in a transmission channel?

    <p>To send data to another machine</p> Signup and view all the answers

    What is the physical medium used for in data transmission?

    <p>To propagate the data</p> Signup and view all the answers

    What is the term used to describe a connection between two machines in a transmission channel?

    <p>Transmission line</p> Signup and view all the answers

    What is the role of a receiver in a transmission channel?

    <p>To receive data from another machine</p> Signup and view all the answers

    Can a machine be both a transmitter and a receiver in a transmission channel?

    <p>Yes, this is a common scenario in computer networks</p> Signup and view all the answers

    Study Notes

    Data Transmission and Communication

    • A transmission line, also called a transmission channel, consists of the assembly of the Data Circuit Terminating Equipment (DCTE) of each machine and the data line.
    • Data Terminal Equipment (DTE) refers to the end machines, while DCTE refers to the equipment for the physical medium to which they are connected.

    Electromagnetic Waves

    • Data is transmitted on a physical medium by propagation of a vibratory phenomenon, resulting in an undulating signal.
    • Electromagnetic waves are characterized by their frequency, amplitude, and phase.

    Physical Media

    • Physical transmission media are the elements that allow information to flow between transmission devices.

    Data Representation

    • The purpose of a network is to transmit information from one computer to another, and the data must be encoded for transmission.
    • Data representation can be divided into two categories: digital representation (encoded as a set of binary values) and analogue representation (represented by the variation in a continuous physical quantity).

    Data Transmission Medium

    • A transmission line, also called a transmission channel or channel, is necessary for data transmission to occur between two machines.

    Encoding of Transmission Signals

    • An encoding must be chosen for the transmission signals, depending on the physical medium used, guaranteed data integrity, and transmission speed.

    Simultaneous Data Transmission

    • Data transmission can be "simple" if there are only two machines communicating, or if only a single piece of data is sent.
    • Multiplexing is necessary for simultaneous data transmission between multiple actors.

    Communication Protocols

    • A protocol is a common language used by all actors in the communication to exchange data.
    • Protocols allow for initiation of communications, data exchange, error detection, and a courteous end of communications.

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    Description

    Test your knowledge on transmission lines, data terminal equipment, and data circuit terminating equipment. Learn about the different components involved in data transmission and communication. This quiz covers the basics of transmission lines, data circuits, and the equipment used in data communication.

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