Vol3 CDC 3D153 Ure1

15 Questions | Attempts: 224
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    (401) Which type of diversity requires two antennas, two receivers, and two transmitters?

    • Polarization
    • Crossband
    • Frequency
    • Space
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About This Quiz

This is to be used as a study in the 3D153 CDC test.

CDC Quizzes & Trivia

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  • 2. 

    (401) Which jack field in the AN/TRC–170’s baseband patch panel provides timing and data connections?

    • Middle

    • Center

    • Upper

    • Lower

    Correct Answer
    A. Upper
  • 3. 

    (401) The quick reaction antenna for the V3 AN/TRC–170 terminal uses

    • Two 6-foot-diameter, linearly dual-polarized antennas.

    • Four 6-foot-diameter, linearly dual-polarized antennas.

    • Two 9.5-foot-diameter, linearly dual-polarized antennas.

    • Four 9.5-foot-diameter, linearly dual-polarized antennas.

    Correct Answer
    A. Two 6-foot-diameter, linearly dual-polarized antennas.
  • 4. 

    (402) In the Tropo/Satellite Support Radio’s baseband assembly, a 1-volt peak-to-peak input signal results in how much frequency deviation in the transmitter?

    • ±4 MHz.

    • Less than ±4 MHz.

    • More than ±4 MHz.

    • No signal deviation

    Correct Answer
    A. ±4 MHz.
  • 5. 

    (402) The maximum distance a Tropo/Satellite Support Radio can operate with the 2-foot antenna is?

    • 10 miles

    • 25 miles

    • 100 miles

    • 250 miles

    Correct Answer
    A. 25 miles
  • 6. 

    (401) The MD–1026 digital data modem can interface up to four groups of?

    • Balanced non-return-to-zero (NRZ) signals

    • Conditioned diphase signals

    • Unbalanced NRZ signals

    • Isochronous signals

    Correct Answer
    A. Conditioned diphase signals
  • 7. 

    (401) Digital voice orderwire traffic that originates at the AN/TRC–170’s voice orderwire control unit is encrypted by the?

    • KY-68 digital secure voice terminal/phone

    • KY-58 VINSON encryption device

    • KG-84 dedicated loop encryption device

    • KG-81 trunk encryption device

    Correct Answer
    A. KY-58 VINSON encryption device
  • 8. 

    (401) The tropospheric scatter modem processes mission traffic at data rates of 128 through 4,096 Kbps in the?

    • 512 Kbps data rate family

    • 576 Kbps data rate family

    • 1,024 Kbps data rate family

    • 1,152 Kbps data rate family

    Correct Answer
    A. 512 Kbps data rate family
  • 9. 

    (402) The Tropo/Satellite Support Radio frequency coverage extends from?

    • 4.4 to 5.25 GHz.

    • 7.25 to 8.4 GHz.

    • 14.4 to 15.25 GHz.

    • 17.25 to 18.4 GHz

    Correct Answer
    A. 14.4 to 15.25 GHz.
  • 10. 

    (401) Which unit in the AN/TRC–170 terminal contains the rubidium standard?

    • Electrical frequency synthesizer.

    • Frequency subsystem unit.

    • Tropospheric scatter modem.

    • Transmitter-amplifier converter.

    Correct Answer
    A. Tropospheric scatter modem.
  • 11. 

    (402) What is the intermediate frequency of the Tropo/Satellite Support Radio?

    • 70 MHz with a 10 MHz bandpass.

    • 70 MHz with a 20 MHz bandpass.

    • 700 MHz with a 10 MHz bandpass.

    • 700 MHz with a 20 MHz bandpass.

    Correct Answer
    A. 70 MHz with a 20 MHz bandpass.
  • 12. 

    (401) In an AN/TRC–170 terminal, the quantity of digital group multiplexer units supplied and their application are?

    • Different in the V2 and V3 systems

    • Identical in the V2 and V3 systems

    • Dependent on the mission and number of channels

    • Dependent on the deployment of the technical control

    Correct Answer
    A. Identical in the V2 and V3 systems
  • 13. 

    (401) When using space diversity, the AN/TRC–170 receive antenna spacing should be a minimum of?

    • 10 Wavelengths apart

    • 25 Wavelengths apart

    • 50 Wavelengths apart

    • 100 Wavelengths apart

    Correct Answer
    A. 50 Wavelengths apart
  • 14. 

    (402) In the Tropo/Satellite Support Radio frequency assembly, what permits the transmitter and receiver to be connected to the same antenna?

    • Circulator

    • Combiner.

    • Coupler.

    • Hybrid.

    Correct Answer
    A. Circulator
  • 15. 

    (401) Which type of encryption device does full-duplex encryption of AN/TRC–170’s group or supergroup mission traffic?

    • KY-68 digiital secure voice terminal/phone

    • KY-58 VINSON encryption device

    • KG-84 dedicated loop encryption device

    • KG-81 trunk encryption device

    Correct Answer
    A. KG-81 trunk encryption device

Quiz Review Timeline (Updated): Mar 15, 2022 +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 15, 2022
    Quiz Edited by
    ProProfs Editorial Team
  • Oct 08, 2012
    Quiz Created by
    Jayhuiz23
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