Z3D153 - 2016 Edit Code 3, Volume 1 Part 5

21 Questions | Total Attempts: 108

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Z3D153 Quizzes & Trivia

RF Transmissions Journeyman CDCs. Split up 20 questions at a time.


Questions and Answers
  • 1. 
    In real-time sampling, what type of interpolation is used when measuring pulse waves?
    • A. 

      Sine.

    • B. 

      Linear.

    • C. 

      Non-uniform.

    • D. 

      Companding.

  • 2. 
    The size of a test pattern segment transmitted from a bit error rate test (BERT) is determined by the
    • A. 

      Total amount of bandwidth in the test pattern.

    • B. 

      Total number of bytes that represent the bits test pattern.

    • C. 

      Number of bits that can represent the total number of bits in the test pattern.

    • D. 

      Number of bits in the number of bytes that are equally divided into the test pattern.

  • 3. 
    What type of error is the result of two successive logic one pulses of the same polarity that violates alternate mark inversion coding rules?
    • A. 

      Cyclic redundancy check.

    • B. 

      Bipolar violation.

    • C. 

      Bit slip.

    • D. 

      Frame.

  • 4. 
    What type of error is the result of a bit not positioned where it should be?
    • A. 

      Cyclic redundancy check.

    • B. 

      Bipolar violation.

    • C. 

      Bit slip.

    • D. 

      Frame.

  • 5. 
    What is the first step in testing ground?
    • A. 

      Place two earth stakes in the soil in a direct line.

    • B. 

      Connect the earth ground tester to the earth electrode.

    • C. 

      Depress the measure button to measure ground resistance.

    • D. 

      Disconnect the earth electrode under test from its connection to the site.

  • 6. 
    A known current is generated by the earth ground tester between the earth ground electrode and the
    • A. 

      Grounding point.

    • B. 

      Inner earth stake Y.

    • C. 

      Auxiliary current probe.

    • D. 

      Auxiliary potential probe.

  • 7. 
    Voltage potential is measured in the fall of potential ground testing method between the
    • A. 

      Auxiliary potential electrode and the earth test ground electrode.

    • B. 

      Auxiliary current electrode and the earth test ground electrode.

    • C. 

      Auxiliary potential and auxiliary current electrodes.

    • D. 

      Earth ground electrode and the outer stake Z.

  • 8. 
    The Institute of Electrical and Electronics Engineers (IEEE) has recommended a ground resistance value of
    • A. 

      5 ohms or less.

    • B. 

      10 ohms or less.

    • C. 

      20 ohms or less.

    • D. 

      25 ohms or less.

  • 9. 
    What component of a protocol analyzer stores all frames based on the user configuration inputs?
    • A. 

      Filter.

    • B. 

      Buffer.

    • C. 

      Counter.

    • D. 

      Central processing unit.

  • 10. 
    What component on a protocol analyzer process the frames based on the selected test and user configuration inputs?
    • A. 

      Filter.

    • B. 

      Buffer.

    • C. 

      Counter.

    • D. 

      Central processing unit.

  • 11. 
    What active test is selected to determine if a network node is connected or responding?
    • A. 

      Packet internetwork groper (PING).

    • B. 

      Traffic generator.

    • C. 

      Route generator.

    • D. 

      Trace route.

  • 12. 
    What active test is selected to see the path that the packets are traveling and the time it takes the packets to compete the trip?
    • A. 

      Packet internetwork groper (PING).

    • B. 

      Traffic generator.

    • C. 

      Route generator.

    • D. 

      Trace route.

  • 13. 
    A radio frequency generator is used to
    • A. 

      Monitor odd harmonics.

    • B. 

      Align telemetry receivers.

    • C. 

      Modulate subcarrier oscillators.

    • D. 

      Check galvanometer frequency response.

  • 14. 
    Which are the correct four classes of electronic counters?
    • A. 

      Frequency counters, time counters, microwave counters, and reciprocal counters.

    • B. 

      Frequency counters, universal counters, microwave counters, and reciprocal counters.

    • C. 

      Frequency counters, universal counters, period counters, and reciprocal counters.

    • D. 

      Scaling counters, universal counters, microwave counters, and reciprocal counters.

  • 15. 
    The 10:1 power ratio represented by 1 bel can also be represented by how many decibels (dB)?
    • A. 

      1 dB.

    • B. 

      3 dB.

    • C. 

      6 dB.

    • D. 

      10 dB.

  • 16. 
    When transmitter decibel (dB) power is doubled, it has increased by
    • A. 

      1 dB.

    • B. 

      2 dB.

    • C. 

      3 dB.

    • D. 

      4 dB.

  • 17. 
    Which of the following is not a type of power level displayed by a power meter?
    • A. 

      DBm.

    • B. 

      Watts.

    • C. 

      Decibels.

    • D. 

      Milliwatts.

  • 18. 
    Plug-in elements of the wattmeter are selected based on the
    • A. 

      Selection of the autorange function.

    • B. 

      Frequency and power to be measured.

    • C. 

      1-milliwatt standard and relative decibels.

    • D. 

      Absolute and relative power levels to be measured.

  • 19. 
    What test equipment combines the operations of many test instruments into a single compact unit?
    • A. 

      Volt meter.

    • B. 

      Oscilloscope.

    • C. 

      Impedance meter.

    • D. 

      Communication service monitor.

  • 20. 
    What function is not part of the communication service monitor?
    • A. 

      Radio frequency generator.

    • B. 

      Analog multimeter.

    • C. 

      Oscilloscope.

    • D. 

      Receiver.

  • 21. 
    What operational capability of the communication service monitor produce sine, square and triangle waveforms?
    • A. 

      Scope.

    • B. 

      Duplex.

    • C. 

      Receiver.

    • D. 

      Function generator.