2-8 .
During a receive cycle, the start code
causes which of the following actions?
1 .
The CDS computer to send the
prepare to receive data interrupt
2 .
The DTS to send the prepare to
receive data interrupt
3 .
The CDS computer to send the
prepare to transmit data external
function
4 .
The DTS to send the prepare to
transmit data interrupt
2-9.
Exactly how many data bits are
contained in each Link-11 information
frame?
1 .
18
2 .
24
3 .
30
4 .
32
2-10.
The control stop code is generated by
which of the following units?
1. NCS only
2. Picket station only
3. Either NCS or a picket station,
indicating the end of a control
message
2-11.
During a receive cycle, the stop code
(control or picket) causes which of the
following actions?
1 .
The CDS computer to send the end
of data interrupt
2 .
The DTS to send the end of data
external function
3 .
The CDS computer to send the end
of receive interrupt
4.
The DTS to send the end of
receive interrupt
2-12.
A call-up, or interrogation message
consists of a total of how many frames?
1 .
Five
2 .
Six
3 .
Seven
4 .
Eight
2-13.
The two frames following a control
stop code indicate which of the
following?
1 .
The address of the NCS
2 .
The next picket address in the roll
call
3 .
The end of the NCS message
4 .
The last address interrogated
2-14.
A picket reply message is sent in which
of the following sequences?
1 .
Preamble, phase reference, data,
stop code
2 .
Preamble, phase reference, start
code, data, control stop code
3 .
Preamble, phase reference, start
code, data, picket stop code
4.
Phase reference, preamble, start
code, data, stop code
2-15.
The DTS operates in full duplex when
it performs which of the following
operations?
1. System testing
2. Net Test
3. Normal operations
4. Short Broadcast
2-16.
The DTS performs which of the
following functions?
1. Data encryption
2. Error detection and correction
3. Track gridlock
4. Transmitting data tones on a
carrier frequency
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