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2024-1 CSND0113 CP01-02 Assessment

Quiz by Bryan N. Manalaotao

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20 questions
Show answers
  • Q1
    What type of data transmission allows communication in both directions, but only one direction at a time?
    Multiplex
    Half-duplex
    Simplex
    Full-duplex
    50s
  • Q2
    Which of the following is an example of full-duplex communication?
    Walkie-talkie
    Radio broadcast
    Telegraph
    Telephone
    50s
  • Q3
    What is the primary reason twisted pair wires are twisted together?
    To prevent breakage
    To increase data transmission speed
    To increase signal strength
    To reduce electromagnetic interference (EMI)
    50s
  • Q4
    Which of the following is NOT a type of wired transmission media?
    Coaxial cable
    Twisted pair wire
    Fiber-optic cable
    Microwave system
    50s
  • Q5
    What type of cable is commonly used for cable television (TV) transmission?
    Coaxial cable
    Twisted pair
    Wireless
    Fiber-optic
    50s
  • Q6
    Which of the following services makes use of twisted pair wires?
    Microwave system
    ISDN
    Fiber-optic communication
    VSAT
    50s
  • Q7
    What is the maximum distance a twisted pair wire can transmit data before needing a signal regeneration device?
    1 kilometer
    50 meters
    100 meters
    500 meters
    50s
  • Q8
    What is a major disadvantage of fiber-optic cables?
    Low capacity
    Difficulty in joining and high cost
    Low transmission speed
    High susceptibility to interference
    50s
  • Q9
    Which type of communication requires a line of sight between the sending and receiving devices?
    Coaxial cable
    Microwave system
    Fiber-optic
    Twisted pair wire
    50s
  • Q10
    What does VSAT stand for?
    Virtual Satellite Access Terminal
    Very Simple Access Terminal
    Variable Satellite Access Technology
    Very Small Aperture Terminal
    50s
  • Q11
    What is required before data transmission can occur over a network?
    Agreement on network topology
    Use of optical fibers
    Synchronization of power supplies
    Agreement on the encoding scheme and transmission timing
    50s
  • Q12
    Which transmission method sends multiple bits simultaneously over different channels?
    Asynchronous Transmission
    Parallel Transmission
    Isochronous Transmission
    Serial Transmission
    50s
  • Q13
    What is an example of serial transmission?
    USB connection
    Printer to computer using a parallel port
    Optical fiber communication
    Connection between a modem and a computer using RS-232
    50s
  • Q14
    Which communication method involves people being connected at the same time, like in real-time conversations?
    Asynchronous Communication
    Synchronous Communication
    Coaxial Communication
    Distance Communication
    50s
  • Q15
    What voltage does RS-232 use to represent the value ‘1’?
    Positive voltage
    Ground voltage
    Negative voltage
    Zero voltage
    50s

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