Systra Round 2 - Umts Air Interface Technology

27 Questions | Total Attempts: 53

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Systra Round 2 - Umts Air Interface Technology - Quiz

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Questions and Answers
  • 1. 
    ______ defines the way how two communicating entities will communicate with each other.
  • 2. 
    What way of  communication is being used in television broadcast?
    • A. 

      Duplex

    • B. 

      Simplex

    • C. 

      Half-duplex

  • 3. 
    What method of communication allows partlies to communicate in two-ways but not simultaneously?
    • A. 

      Duplex

    • B. 

      Simplex

    • C. 

      Half-duplex

  • 4. 
    ______ is a  method of communication similar to half-duplex  but allows simultaneous communication
  • 5. 
    FDD stands for _____.
  • 6. 
    TDD stands for ______.
  • 7. 
    TDD splits the frequency band into two sub-bands- one for the uplink and one for the downlink.
    • A. 

      True

    • B. 

      False

  • 8. 
    TDD uses only one frequency band for the two-way communication.
    • A. 

      True

    • B. 

      False

  • 9. 
    FDD is advantageous for using minimal frequency resource.
    • A. 

      True

    • B. 

      False

  • 10. 
    In FDD, collision may occur during communication while in TDD, collision can be avoided between the uplink and the downlink.
    • A. 

      True

    • B. 

      False

  • 11. 
    • A. 

      TDD

    • B. 

      FDD

  • 12. 
    • A. 

      TDD

    • B. 

      FDD

  • 13. 
    Which frequench range was NOT allocate by IMT-2000 for world-wide mobile communication implementation?
    • A. 

      806MHz-960MHz

    • B. 

      1110MHz-1750MHz

    • C. 

      1710MHz-2025MHz

    • D. 

      2110MHz-2200MHz

    • E. 

      2500MHz-2690MHz

  • 14. 
    What size is the channel spacing in UMTS?
    • A. 

      1MHz

    • B. 

      3MHz

    • C. 

      5Mhz

    • D. 

      7Mhz

  • 15. 
    An operator needs ______ channels to be able to build a high-speed, high-capacity network.
    • A. 

      8-12

    • B. 

      5-9

    • C. 

      3-4

  • 16. 
    The goal of a network operator is to achieve a higher capacity with fewer resources.
    • A. 

      True

    • B. 

      False

  • 17. 
    FDMA stands for ____.
  • 18. 
    In FDMA,  used frequency band is divided into different carriers and the same number of carriers is used for both uplink and downlink.
    • A. 

      True

    • B. 

      False

  • 19. 
    Each carrier in FDMA is indexed using UARFCN which stands for ______.
    • A. 

      UTRA alternate radio frequency control number

    • B. 

      UTRA absolute radio frequency control number

    • C. 

      UTRA authentication radio frequency control number

    • D. 

      UTRA absolute radio frequency carrier number

  • 20. 
    TDMA stands for ______.
  • 21. 
    In TDMA, one timeslot is divided into multiple carrier.
    • A. 

      True

    • B. 

      False

  • 22. 
    CDMA stands for ________.
  • 23. 
    In CDMA, the capacity of a cell is a function of power allowed within the cell instead of the available slots in the air interface.
    • A. 

      True

    • B. 

      False

  • 24. 
    In CDMA, each subscriber adds to the interference in the cell untill the interference reaches a certain limit or threshold.
    • A. 

      True

    • B. 

      False

  • 25. 
    • A. 

      CDMA

    • B. 

      TDMA

    • C. 

      FDMA

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