Vol3 CDC 3D153 Ure4

38 Questions | Attempts: 117
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  • 1/38 Questions

    (419) The primary interface between the operator/maintainer and the MARK IVB system is the?

    • Storage disk array.
    • Maintainer workstation.
    • Network interface switch.
    • Meteorological data server.
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About This Quiz

This is to be used as a study aid for RF transmission systems CDC 3D153.

CDC Quizzes & Trivia

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  • 2. 

    (422) The secure mobile anti-jam reliable tactical terminal (SMART-T) provides user data rates through?

    • T–1 (128 Kbps).

    • T–1 (256 Kbps).

    • T–1 (1.544 Mbps).

    • D. T–1 (2.048 Mbps).

    Correct Answer
    A. T–1 (1.544 Mbps).
  • 3. 

    (419) Which Defense Meteorological Satellite Program elements receive only real-time satellite imagery when the satellite is in view?

    • Strategic

    • Tactical.

    • Air Force Weather Agency.

    • Automated Remote Tracking Stations.

    Correct Answer
    A. Tactical.
  • 4. 

    (421) What is the number of global positioning system orbital planes?

    • Four

    • Five

    • Six

    • Seven

    Correct Answer
    A. Six
  • 5. 

    (421) What is the minimum number of global positioning system satellites that must be tracked for accurate three-dimensional navigation?

    • Two

    • Three

    • Four

    • Five

    Correct Answer
    A. Four
  • 6. 

    (422) What type of extremely high frequency (EHF) antenna is used on the Milstar EHF/UHF airborne command post terminals?

    • 16-inch Cassegrain

    • 26-inch Cassegrain

    • 16-inch front feed

    • 26-inch front feed

    Correct Answer
    A. 26-inch Cassegrain
  • 7. 

    (426) The Iridium secure module provides secure voice communications up to and including what level of classification?

    • Top Secret.

    • Secret.

    • Confidential.

    • For Official Use Only.

    Correct Answer
    A. Top Secret.
  • 8. 

    (427) Which service provider is a new satellite communications company specifically dedicated to provide commercial X-band services exclusively to US and Allied governments?

    • International Telecommunications Satellite Organization.

    • European Telecommunications Satellite Organization.

    • Pan-American Satellite Corporation.

    • XTAR, LLC.

    Correct Answer
    A. XTAR, LLC.
  • 9. 

    (426) Which commercial satellite communication system can offer true pole-to-pole global coverage?

    • European Telecommunications Satellite Organization (EUTELSAT).

    • International Telecommunications Satellite Organization (INTELSAT).

    • International Maritime Satellite Organization (Inmarsat).

    • Iridium Satellite, LLC.

    Correct Answer
    A. Iridium Satellite, LLC.
  • 10. 

    (419) The MARK IVB antennas can be located up to how many feet away from the processing area?

    • 1,000

    • 1,500

    • 2,500

    • 3,000

    Correct Answer
    A. 1,500
  • 11. 

    (422) What Milstar capability is very different from previous military satellite communications (MILSATCOM) and commercial satellite communications systems?

    • Crossbanding

    • Crosslinking

    • Multi-service

    • Secure Networking

    Correct Answer
    A. Crosslinking
  • 12. 

    (422) Which element of the Milstar mission allocates communication resources?

    • Development

    • Support

    • Control

    • Planning

    Correct Answer
    A. Planning
  • 13. 

    (422) Which Milstar antenna provides high gain, selective coverage of any ground station visible on the earth’s surface within its own footprint?

    • Agile beam.

    • Spot beam.

    • Gimbaled dish.

    • Earth coverage.

    Correct Answer
    A. Spot beam.
  • 14. 

    (422) Encoding/decoding of a digital signal?

    • Quadruples the data rate

    • Increases the signal-to-noise-ratio.

    • Decreases the signal-to-noise-ratio.

    • Enhances the link bit error rate.

    Correct Answer
    A. Enhances the link bit error rate.
  • 15. 

    (423) What agency provides personnel at the regional satellite communications (Regional SATCOM) support center with resource allocation parameters?

    • Commander of the United States Strategic Command.

    • Defense Information Systems Agency (DISA).

    • Chairman of the Joint Chiefs of Staff (CJCS).

    • Defense Information Systems Agency Operations Control Complex (DOCC).

    Correct Answer
    A. Defense Information Systems Agency (DISA).
  • 16. 

    (423) Modifications on the Defense Satellite Communications System phase III (DSCS III) satellite include

    • Larger solar panels

    • Smaller solar panels.

    • Multibeam array antenna.

    • Single-channel transponder (SCT) downlink.

    Correct Answer
    A. Single-channel transponder (SCT) downlink.
  • 17. 

    (419) What are the Air Force Satellite Control Network (AFSCN) command and control nodes?

    • Environmental Satellite Operations Center at Schriever AFB, CO, and National Oceanographic and Atmospheric Administration (NOAA) Satellite Operations Control Center at Suitland, MD.

    • Environmental Satellite Operations Center at Schriever AFB, CO, and Multi Purpose Satellite Operations Center, Offutt AFB, NB.

    • Air Force Weather Agency, Offutt AFB, NB, and NOAA Satellite Operations Control Center at Suitland, MD.

    • Air Force Weather Agency, Offutt AFB, NB, and Multi Purpose Satellite Operations Center, Offutt AFB, NB.

    Correct Answer
    A. Environmental Satellite Operations Center at Schriever AFB, CO, and National Oceanographic and Atmospheric Administration (NOAA) Satellite Operations Control Center at Suitland, MD.
  • 18. 

    (420) In the satellite readout station, the transmit/receive set?

    • Transmits weather imagery to the satellite and receives telemetry data from the satellite on a 2.2 to 2.3 gigahertz bandwidth

    • Receives and processes downlink satellite signals, and generates and transmits uplink satellite commanding and ranging signals.

    • Monitors precise range measurements from the satellite vehicle and recovers almanac data from transmitted signals to measure signal quality.

    • Receives and processes the transmit signal for the satellite, and generates and receives downlink satellite commanding and ranging signals.

    Correct Answer
    A. Receives and processes downlink satellite signals, and generates and transmits uplink satellite commanding and ranging signals.
  • 19. 

    (425) Which service is not provided by the commercial satellite communications branch (CSB)?

    • Help obtain host nation approvals

    • Recommend and/or obtain ground terminals.

    • Act as the day-to-day mobile satellite services (MSS) system manager.

    • Evaluate customer requests to see if commercial service is the best option.

    Correct Answer
    A. Act as the day-to-day mobile satellite services (MSS) system manager.
  • 20. 

    (421) The purpose of the global positioning system ground antenna is to?

    • Interface between the master control station and user sets.

    • Interface between the master control station and the satellites.

    • Provide all commanding and resources to process the satellite telemetry.

    • Provide all tracking and resources to process the monitor station downlinked telemetry.

    Correct Answer
    A. Interface between the master control station and the satellites.
  • 21. 

    (421) Which global positioning system operation control segment component is remotely operated and transmits and receives telemetry to and from the satellites?

    • Monitor station

    • Ground antenna.

    • Master control station.

    • Transmit ground station.

    Correct Answer
    A. Ground antenna.
  • 22. 

    (420) Which agency is responsible for Defense Support Program operational control?

    • HQ AFSPC

    • HQ AFPC (10 AF).

    • SPACEAF (14 AF).

    • USSTRATCOM/CC.

    Correct Answer
    A. SPACEAF (14 AF).
  • 23. 

    (424) What constellation are the ultrahigh frequency (UHF) follow-on satellites designed to replace?

    • Global positioning satellite and Inmarsat

    • MILSTAR and Defense Satellite Communication System

    • Defense Meteorological Program and Commercial satellites

    • Fleet satellite communications (FLTSATCOM) and leased satellites (LEASAT).

    Correct Answer
    A. Fleet satellite communications (FLTSATCOM) and leased satellites (LEASAT).
  • 24. 

    (420) Which components are major sets of satellite readout station equipment?

    • Radio frequency set and modulation system controller

    • Modulation interface equipment and transmit/receive set

    • Modulation interface equipment and modulation system controller

    • Radio frequency set, transmit/receiver set, and digital equipment set.

    Correct Answer
    A. Radio frequency set, transmit/receiver set, and digital equipment set.
  • 25. 

    (424) Which satellite system provides Global Broadcast Services (GBS)?

    • Commercial L-band.

    • Defense Meteorological

    • Global positioning satellite.

    • Ultra high frequency (UHF) Follow-on.

    Correct Answer
    A. Ultra high frequency (UHF) Follow-on.
  • 26. 

    (421) Which is not a characteristic of the Defense Advanced Global Positioning System (GPS) Receiver?

    • Can only be used as a handheld unit.

    • Can process the GPS satellite triple frequency signals.

    • Can use an external power source and external antenna.

    • Can be installed in a host platform (ground facility, air, sea or land vehicle).

    Correct Answer
    A. Can process the GPS satellite triple frequency signals.
  • 27. 

    (427) Which type of communications would not normally be provided through commercial wideband services?

    • Very small aperture terminal networks.

    • International high-speed internet connectivity.

    • Handheld satellite phone communications.

    • Deployable video teleconferencing.

    Correct Answer
    A. Handheld satellite phone communications.
  • 28. 

    (422) The Milstar satellite sends downlink communications transmissions at?

    • Ultrahigh frequency (UHF) only.

    • Extremely high frequency (EHF) only.

    • UHF and super-high frequency (SHF).

    • UHF and EHF.

    Correct Answer
    A. UHF and super-high frequency (SHF).
  • 29. 

    (423) What agency ensures all satellite links perform according to baseline parameters?

    • United States Army Space and Missile Defense Command/Army Forces Strategic Command

    • Defense Satellite Communications System operations centers (DSCSOC).

    • Unified and specified combatant commanders (COCOM).

    • Air Force Space Command (AFSPC).

    Correct Answer
    A. Defense Satellite Communications System operations centers (DSCSOC).
  • 30. 

    (422) The Milstar Air Force terminal segment has terminals that are classified as either?

    • Ship or shore.

    • Master or slave.

    • Airborne or ground

    • Command post or force element.

    Correct Answer
    A. Command post or force element.
  • 31. 

    (422) The Milstar extremely high frequency (EHF)/ultrahigh frequency (UHF) fixed ground command post terminal has a?

    • 90-inch antenna and a radome.

    • 96-inch antenna and a radome.

    • 90-inch antenna and no radome.

    • 96-inch antenna and no radome.

    Correct Answer
    A. 90-inch antenna and a radome.
  • 32. 

    (423) The Defense Satellite Communications System phase III (DSCS III) S-band system is primarily used for?

    • Satellite telemetry, tracking, and control.

    • Broadcasting emergency action messages (EAM)

    • A super high frequency (SHF) communication link

    • An extremely high frequency (EHF) communication link.

    Correct Answer
    A. Satellite telemetry, tracking, and control.
  • 33. 

    (425) When considering the factor of service area for commercial satellite services, which description is true about Ku-band service?

    • Not worldwide, located primarily over land masses and highly populated areas.

    • Not worldwide, located primarily over ocean areas and lowly populated areas.

    • Worldwide between roughly 65 degrees North an 65 degrees South latitudes.

    • Worldwide, located primarily over land masses and highly populated areas.

    Correct Answer
    A. Not worldwide, located primarily over land masses and highly populated areas.
  • 34. 

    (422) How many active satellites does the completed Milstar phase II (Milstar II) constellation consist of?

    • Three

    • Four

    • Six

    • Eight

    Correct Answer
    A. Three
  • 35. 

    (423) What agency plans and executes satellite tracking and ephemeris data generation?

    • Commander of the United States Strategic Command

    • Defense Information Systems Agency (DISA).

    • Chairman of the Joint Chiefs of Staff (CJCS).

    • Defense Information Systems Agency Operations Control Complex (DOCC).

    Correct Answer
    A. Commander of the United States Strategic Command
  • 36. 

    (422) What is the maximum number of demand assigned multiple access (DAMA) networks can a single Milstar satellite support?

    • One

    • Two

    • Three

    • Four

    Correct Answer
    A. Three
  • 37. 

    (428) The Predator ground control station (GCS) satellite communications (SATCOM) subsystem provides one full-duplex encrypted digital voice channel, command and control (C2) capability of four remotely piloted aircraft, and operates over a?

    • Ku-band satellite.

    • Ka-band satellite.

    • C-band satellite

    • X-band satellite

    Correct Answer
    A. C-band satellite
  • 38. 

    (423) The purpose of the Defense Information Systems Agency Operations Control Complex (DOCC) is to

    • Provide operational control of the Defense Communications System (DCS).

    • Provide operational control of the Air Force satellite communications (AFSATCOM) system

    • Manage and provide the regional satellite communications support center (RSSC) with satellite engineering parameters

    • Manage and distribute bandwidths allocated from the Chairman Joint Chiefs of Staff (CJCS) for their respective theaters of responsibility

    Correct Answer
    A. Provide operational control of the Defense Communications System (DCS).

Quiz Review Timeline (Updated): Mar 21, 2022 +

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

  • Current Version
  • Mar 21, 2022
    Quiz Edited by
    ProProfs Editorial Team
  • Oct 23, 2012
    Quiz Created by
    Jayhuiz23
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