Vol3 CDC 3D153 URE4

1. (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.

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).

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.

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

Four

Five

Six

Seven

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

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

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.

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.

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.

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

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

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

Development

Support

Control

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.

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.

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).

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.

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

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 atSuitland, MD.

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

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 satellitecommanding 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.

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.

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.

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.

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

HQ AFSPC

HQ AFPC (10 AF).

SPACEAF (14 AF).

USSTRATCOM/CC.

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).

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.

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

Commercial L-band.

Defense Meteorological

Global positioning satellite.

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).

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.

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.

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).

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.

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.

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.

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.

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

Three

Four

Six

Eight

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).

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

One

Two

Three

Four

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

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

Vol3 CDC 3D153 Ure4