1-67.
Which of the following radio frequency
modulation methods is used to minimize
propagation-caused signal loss during HF
Link-11 operations?
1. Quadrature phase-shift modulation
2. Frequency modulation
3. Phase modulation
4. Amplitude modulation independent
sideband
1-68.
Which of the following individuals is
responsible for assigning primary and
secondary Link-11 frequencies before the
deployment of a task force?
1. The aircraft carrier commanding
officer
2. The net control station track
supervisor
3. The task force commander
4. The fleet CinC
1-69.
When a Link-11 net is established, which
of the following sequences of operations
should be followed to determine readiness
of all units to enter the net?
1. Net Test, Net Sync, roll call
2. Net Sync, Net Test, roll call
3. Net Sync, Net Test, Broadcast
4. Roll call, Net Test, Net Sync
IN ANSWERING QUESTIONS 1-70 THROUGH
1-75, SELECT FROM THE FOLLOWING LIST
THE OPERATING MODE DESCRIBED IN THE
QUESTION.
A. Net Synchronization
B. Net Test
C. Roll Call
D. Broadcast
E. Short Broadcast
F. Radio Silence
1-70.
1-71.
1-72.
1-73.
1-74.
What Link-11 operating mode establishes
a uniform time base from which all net
communications are normally initiated?
1 . A
2 . B
3 . C
4 . D
In what Link-11 operating mode is each
picket unit interrogated, in turn, by NCS?
1 . A
2 . B
3 . C
4 . D
What Link-11 operating mode provides an
overall evaluation of net and equipment
performance?
1 . B
2 . C
3 . D
4 . E
In what Link-11 operating mode will one
participating unit transmit data
continuously to all other net members?
1 . C
2 . D
3 . E
4 . F
In what Link-11 operating mode are the
radio set key line and data terminal audio
output inhibited?
1 . C
2 . D
3 . E
4 . F
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