Z3D153 - 2016 Edit Code 3, Volume 1 Part 5
RF Transmissions Journeyman CDCs. Split up 20 questions at a time.
- 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.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.
- 6.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.
- 7.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.
- 8.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.
- 9.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.
- 10.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.
- 11.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.
- 12.A radio frequency generator is used to
- A.
Monitor odd harmonics.
- B.
Align telemetry receivers.
- C.
Modulate subcarrier oscillators.
- D.
Check galvanometer frequency response.
- 13.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.
- 14.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.
- 15.When transmitter decibel (dB) power is doubled, it has increased by
- A.
1 dB.
- B.
2 dB.
- C.
3 dB.
- D.
4 dB.
- 16.Which of the following is not a type of power level displayed by a power meter?
- A.
DBm.
- B.
Watts.
- C.
Decibels.
- D.
Milliwatts.
- 17.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.
- 18.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.
- 19.What function is not part of the communication service monitor?
- A.
Radio frequency generator.
- B.
Analog multimeter.
- C.
Oscilloscope.
- D.
Receiver.
- 20.What operational capability of the communication service monitor produce sine, square and triangle waveforms?
- A.
Scope.
- B.
Duplex.
- C.
Receiver.
- D.
Function generator.
- 21.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.
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