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Subel. C
A
42 questions
B
36 questions
C
30 questions
D
48 questions
E
60 questions
F
36 questions
G
48 questions
6 questions
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Subelement C
DSC & Alpha-Numeric ID Systems:
Section 15
MMSI: Group & Coast Station I.D. Nrs:
15C1
A DSC call is received from a station with a MMSI number of 003669991. What type of station made the call?
A.
A vessel operating in Sea Area A3.
B.
A group ship station
Correct Answer
C.
A U.S.
coast
station
D.
An Intercoastal vessel
15C1
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15C2
A valid MMSI number for a DSC call to a specific group of vessels is:
A.
003664523
B.
338462941
C.
003036483
Correct Answer
D.
030327931
15C2
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15C3
A MMSI 030346239 indicates what?
Correct Answer
A.
Group
MMSI
B.
Inmarsat-C I.D. number
C.
Coast station
D.
Ship station
15C3
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15C4
Which of the following statements concerning MMSI is true?
A.
Coast station MMSI numbers have 9 digits starting with 4.
Correct Answer
B.
All MMSI numbers are 9 digits and
contain
an
MID
.
C.
Ship station MMSI numbers can be 7 digits or 9 digits depending on the Inmarsat terminal.
D.
Group MMSI numbers must begin with 2 zeros.
15C4
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15C5
Which of the following statements concerning MMSI is false?
A.
All Coast Station MMSI must begin with 2 zeros.
Correct Answer
B.
All Coast Station MMSI must begin with the MID
then
2 zeros.
C.
A group call must begin with a single zero followed by the MID.
D.
The first 3 digits of a ship MMSI comprise the MID.
15C5
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15C6
Which of the following statements concerning MMSI is true?
A.
All ship station MMSI must begin with a single zero and include the MID.
B.
All group station MMSI must begin with the MID.
Correct Answer
C.
None
of these
answers
are
correct
.
D.
All Coast Station MMSI must be 9 digits and begin with the MID and then two zeros.
15C6
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