CBSP Exam UPDATED QUESTIONS AND
CORRECT ANSWERS
-provide bandw./faster comms.
-oper. ten times faster in high volume - CORRECT ANSWER Commercial Broadband
Satellite Program (CBSP)
-faster data rate
-multiple freq. range
-compensation for ship motion (prov. by servo-cont. motors that auto adjust ant. angle)
-geostationary (GEO) orbit - CORRECT ANSWER CBSP Capabilities
-Doppler Effect
-Solar Interference
-Weather conditions
-LOS
-RF block. of ship
-Electromagnetic interference (EMI) - CORRECT ANSWER CBSP Limitations
ULV ADE (2) - CORRECT ANSWER -X-band ant. feed sub-assembly
-Ku-band ant. feed sub-assembly
How many ant. feed sub-assembly(ies) does FLV have? - CORRECT ANSWER 1
What is the purpose of CBSP baseband equipment? - CORRECT ANSWER To receive
and route signals
What does the ADNS do? - CORRECT ANSWER Routes all IP traffic through crypto.
dev. before transmitting off ship through avail. RF circuit to a satellite
, What is ULV ADE purpose? - CORRECT ANSWER -Converts ULV BDE L-band IF
signal to X/Ku-band RF signal (transmit to satell.)
-Receive X/Ku-band RF signal from satellite, amplify them, then convert them to L-band IF
signal; convey them to ULV BDE for processing
-Uses servo motors to contin. position ant. in response to ship's movement to maint. auto.
satell. track
EBEM - CORRECT ANSWER modulatesTx/demodulates Rx
L-Band Down Converter - CORRECT ANSWER Converts input signal between 950-
2050 MHz to a 70 MHz output signal
RF/IF Switch Steps - CORRECT ANSWER 1 Receive Tx L-band from EBEM
2 Rubidium freq. stand. (loc. inside IF/RF switch) provides 10 MHz to Distribution Amplifier
3 Receive 10 MHz from Distribution Amplifier
4 Diplexes 10 MHz to Tx L-band
5 Sends EBEM Tx and 10 MHz to Block Up Converter (BUC)
6 Receive L-band signal and sends 10 MHz to Low Noise Block (LNB)
7 Routes receive signal to L-band tracking down converter to EBEM
[10 MHz Distribution Control and Indicators]
What does it mean when the OLVD LED illuminates red? - CORRECT
ANSWER Indicates input signal in specified amplifier has excessive amplitude - that is
the magnitude of change in signal is higher than it should be
What is the Ethernet Switch responsible for? - CORRECT ANSWER Connects OIU,
SCU, and EBEM
What does it mean when stated, "through the ACU processor"? - CORRECT
ANSWER SCU maint. LOS to satellite/control Ant. Ped.
CORRECT ANSWERS
-provide bandw./faster comms.
-oper. ten times faster in high volume - CORRECT ANSWER Commercial Broadband
Satellite Program (CBSP)
-faster data rate
-multiple freq. range
-compensation for ship motion (prov. by servo-cont. motors that auto adjust ant. angle)
-geostationary (GEO) orbit - CORRECT ANSWER CBSP Capabilities
-Doppler Effect
-Solar Interference
-Weather conditions
-LOS
-RF block. of ship
-Electromagnetic interference (EMI) - CORRECT ANSWER CBSP Limitations
ULV ADE (2) - CORRECT ANSWER -X-band ant. feed sub-assembly
-Ku-band ant. feed sub-assembly
How many ant. feed sub-assembly(ies) does FLV have? - CORRECT ANSWER 1
What is the purpose of CBSP baseband equipment? - CORRECT ANSWER To receive
and route signals
What does the ADNS do? - CORRECT ANSWER Routes all IP traffic through crypto.
dev. before transmitting off ship through avail. RF circuit to a satellite
, What is ULV ADE purpose? - CORRECT ANSWER -Converts ULV BDE L-band IF
signal to X/Ku-band RF signal (transmit to satell.)
-Receive X/Ku-band RF signal from satellite, amplify them, then convert them to L-band IF
signal; convey them to ULV BDE for processing
-Uses servo motors to contin. position ant. in response to ship's movement to maint. auto.
satell. track
EBEM - CORRECT ANSWER modulatesTx/demodulates Rx
L-Band Down Converter - CORRECT ANSWER Converts input signal between 950-
2050 MHz to a 70 MHz output signal
RF/IF Switch Steps - CORRECT ANSWER 1 Receive Tx L-band from EBEM
2 Rubidium freq. stand. (loc. inside IF/RF switch) provides 10 MHz to Distribution Amplifier
3 Receive 10 MHz from Distribution Amplifier
4 Diplexes 10 MHz to Tx L-band
5 Sends EBEM Tx and 10 MHz to Block Up Converter (BUC)
6 Receive L-band signal and sends 10 MHz to Low Noise Block (LNB)
7 Routes receive signal to L-band tracking down converter to EBEM
[10 MHz Distribution Control and Indicators]
What does it mean when the OLVD LED illuminates red? - CORRECT
ANSWER Indicates input signal in specified amplifier has excessive amplitude - that is
the magnitude of change in signal is higher than it should be
What is the Ethernet Switch responsible for? - CORRECT ANSWER Connects OIU,
SCU, and EBEM
What does it mean when stated, "through the ACU processor"? - CORRECT
ANSWER SCU maint. LOS to satellite/control Ant. Ped.
