Z3D153 Vol3 Unit3
.
- 1.
Which type of diversity do you have when the same frequency radiates simultaneously in two different planes?
- A.
Polarization.
- B.
Crossband.
- C.
Frequency.
- D.
Space.
Correct Answer
A. Polarization. -
- 2.
Which type of diversity requires two antennas, two receivers, and two transmitters?
- A.
Polarization.
- B.
Crossband.
- C.
Frequency.
- D.
Space.
Correct Answer
A. Polarization. -
- 3.
What is the tropo/satellite support radio frequency range?
- A.
4.4 to 5.25 GHz
- B.
7.25 to 8.4 GHz
- C.
14.4 to 15.25 GHz
- D.
17.25 to 18.4 GHz
Correct Answer
C. 14.4 to 15.25 GHz -
- 4.
What are the Air Force Satellite Control Network (AFSCN) command and control nodes?
- A.
Environmental Satellite Operations Center at Schriever AFB, CO, and National Oceanographic and Atmospheric Administration (NOAA) Satellite Operations Control Center at Suitland, MD.
- B.
Environmental Satellite Operations Center at Schriever AFB, CO, and Multi Purpose Satellite Operations Center, Offutt AFB, NB.
- C.
Air Force Weather Agency, Offutt AFB, NB, and NOAA Satellite Operations Control Center at Suitland, MD.
- D.
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. -
- 5.
The MARK IVB antennas can be located up to how many feet away from the processing
- A.
1000
- B.
1500
- C.
2500
- D.
3000
Correct Answer
B. 1500 -
- 6.
Which mission is the highest priority of the Defense Support Program (DSP)?
- A.
Theater warning.
- B.
US retaliatory strike.
- C.
North American warning.
- D.
Worldwide space launches.
Correct Answer
C. North American warning. -
- 7.
Which set of equipment represents the satellite readout station equipment group?
- A.
Radio frequency set and modulation system controller.
- B.
Modulation interface equipment and transmit/receive set.
- C.
Modulation interface equipment and modulation system controller.
- D.
Radio frequency set, transmit/receiver set, and digital equipment set
Correct Answer
D. Radio frequency set, transmit/receiver set, and digital equipment set -
- 8.
What is the number of Global Positioning System (GPS) orbital planes?
- A.
4.
- B.
5.
- C.
6.
- D.
7.
Correct Answer
C. 6. -
- 9.
Which military strategic and tactical relay (MILSTAR) capability is very different fromprevious military satellite communications (MILSATCOM) and commercial satellitecommunications systems?
- A.
Crosslinking.
- B.
Crossbanding.
- C.
Multi-service.
- D.
Secure networking.
Correct Answer
A. Crosslinking. -
- 10.
Which element of the military strategic and tactical relay (MILSTAR) mission allocatescommunication resources?
- A.
Development.
- B.
Planning.
- C.
Support.
- D.
Control.
Correct Answer
B. Planning. -
- 11.
The military strategic and tactical relay (MILSTAR) satellite sends downlinkcommunications transmissions at
- A.
ultrahigh frequency (UHF) and super-high frequency (SHF).
- B.
Extremely high frequency (EHF) only.
- C.
UHF and EHF.
- D.
UHF only.
Correct Answer
A. ultrahigh frequency (UHF) and super-high frequency (SHF). -
- 12.
Which military strategic and tactical relay (MILSTAR) antenna provides high gain,selective coverage of any ground station visible on the earth's surface within its own footprint?
- A.
Spot beam.
- B.
Agile beam.
- C.
Gimbaled dish
- D.
Earth coverage.
Correct Answer
A. Spot beam. -
- 13.
Which satellite system provides Global Broadcast Services (GBS)?
- A.
Commercial L-band.
- B.
Defense Meteorological.
- C.
Global Positioning Satellite (GPS).
- D.
Ultrahigh frequency (UHF) follow-on.
Correct Answer
D. Ultrahigh frequency (UHF) follow-on. -
- 14.
How many ultrahigh frequencies (UHF) channel are available for each UHF Follow-onsatellite?
- A.
19.
- B.
29.
- C.
39.
- D.
49.
Correct Answer
C. 39. -
- 15.
When considering the factor of service area for commercial satellite services, whichdescription about Ku-band service is true?
- A.
Not worldwide, located primarily over land masses and highly populated areas
- B.
Not worldwide, located primarily over ocean areas and lowly populated areas.
- C.
Worldwide between roughly 65 degrees North an 65 degrees South latitudes.
- D.
Worldwide, located primarily over land masses and highly populated areas.
Correct Answer
A. Not worldwide, located primarily over land masses and highly populated areas -
- 16.
What services are not included in INMARSAT mobile satellite services (MSS)?
- A.
Iridium.
- B.
Swift broadband.
- C.
Fleet broadband (maritime).
- D.
Broadband Global Area Network (BGAN).
Correct Answer
A. Iridium. -
- 17.
Which commercial satellite communication system can offer true pole-to-pole globalcoverage?
- A.
International Telecommunications Satellite Organization (INTELSAT).
- B.
European Telecommunications Satellite Organization (EUTELSAT).
- C.
International Maritime Satellite Organization (INMARSAT).
- D.
Iridium.
Correct Answer
D. Iridium. -
- 18.
Where is the Inmarsat headquarters located?
- A.
Fucino, Italy.
- B.
Beijing, China.
- C.
London, England.
- D.
Lake Cowichan, Western Canada.
Correct Answer
C. London, England. -
- 19.
Which type of communications is not normally provided through commercial wideband services?
- A.
Deployable video teleconferencing.
- B.
Very small aperture terminal networks.
- C.
Handheld satellite phone communications.
- D.
International high-speed internet connectivity.
Correct Answer
C. Handheld satellite phone communications. -
- 20.
Which satellite company is specifically designed to interface with all current X-bandterminals?
- A.
XTAR.
- B.
Inmarsat.
- C.
INTELSAT.
- D.
EUTELSAT.
Correct Answer
A. XTAR. -
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Aug 28, 2017Quiz Edited by
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Jul 30, 2017Quiz Created by
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