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2023-01 CSND0113 MT

Quiz by Bryan N. Manalaotao

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50 questions
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  • Q1
    Which type of data transmission allows communication in two directions simultaneously?
    Half-duplex
    Multiplex
    Full-duplex
    Simplex
    60s
  • Q2
    What is the primary advantage of using twisted pair wires in network connections?
    Low installation cost
    Long-distance capability
    Immunity to interference
    High capacity
    60s
  • Q3
    Which type of coaxial cable has a greater span length?
    Thin coaxial cable
    Shielded twisted pair
    Fiber-optic cable
    Thick coaxial cable
    60s
  • Q4
    What is the main disadvantage of microwave systems in data transmission?
    High cost
    Limited coverage
    Low capacity
    Line of sight requirements
    60s
  • Q5
    Which wireless transmission media has a delay involved in the reception of signals?
    High-Speed Wireless Communication
    Very Small Aperture Terminal (VSAT)
    Orbital Satellite Transmission
    Microwave System
    60s
  • Q6
    What is the function of a transceiver in a Very Small Aperture Terminal (VSAT)?
    Receive signals
    Generate signals
    Establish line of sight
    Interface with end communication device
    60s
  • Q7
    In the context of RS-232, what is the purpose of the start and stop bits in asynchronous communication?
    To provide power to the devices
    To indicate the beginning and end of each character
    To synchronize the transmission rate
    To represent 1s and 0s
    60s
  • Q8
    Which transmission method involves sending several bits of data simultaneously over different channels?
    Parallel transmission
    Isochronous transmission
    Asynchronous transmission
    Serial transmission
    60s
  • Q9
    What is the main advantage of parallel transmission over serial transmission?
    Simplicity in implementation
    Longer distance coverage
    Higher transmission speed
    Lower cost of wires
    60s
  • Q10
    In RS-232, what does the baud rate measure?
    The voltage range between +15v and -15v
    The number of bits transmitted per second
    The number of signal changes per second
    The synchronization of start and stop bits
    60s
  • Q11
    Which organization produced the RS-232 standard for character transfer across copper wire?
    Google
    Institute of Electrical and Electronics Engineers (IEEE)
    International Telecommunication Union (ITU)
    Electronic Industries Association (EIA)
    60s
  • Q12
    What is the main purpose of the stop bit in asynchronous communication?
    To synchronize the transmission rate
    To provide a pause between characters
    To indicate the end of each character
    To indicate the beginning of each character
    60s
  • Q13
    RS-232 encoding is ineffective over long distances primarily due to:
    Signal loss due to attenuation
    Modulation inefficiency
    Voltage drop at the source
    Oscillation interference
    60s
  • Q14
    The purpose of modulation when encoding data for transmission is to:
    To compress the data
    To amplify the signal
    To encode data for transmission
    To add redundancy to the data
    60s
  • Q15
    The role of a modem in data transmission over long lines is to:
    Amplify the signal
    Decode the data at the destination
    Modulate the carrier
    Encode data at the source
    60s

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