4-52.
What is the distinction between an address group
and a Navy-assigned international call sign
(ICS)?
1. An address group starts with the letter N; a
Navy-assigned ICS does not
2. An address group never starts with the letter
N; a Navy-assigned ICS always does
3. An address group always has three letters; a
Navy-assigned ICS always has four letters
4. An address group always has letter or
number combinations: a Navy-assigned ICS
never has letter or number combinations
4-53.
Which of the following naval units will NOT be
assigned an address group?
1. System command
2. Type commander
3. NODAC
4. Individual ship
4-54.
What address group represents a single
command or unit, either afloat or ashore?
1. Collective
2. Conjunctive
3. Geographical
4. Individual activity
4-55.
What address group represents two or more
commands, authorities, activities, units, or a
combination of these?
1. Collective
2. Conjunctive
3. Geographical
4. Individual activity
4-56.
What type of address group must always be
preceded by another type of address group to
complete its meaning?
1. Geographic
2. Collective
3. Individual activity
4. Conjunctive
4-57.
What address group should be used only when it
is necessary to complete the titles of addressees
or originators?
1. Conjunctive
2. Geographical
3. Individual activity
4. Address indicating
4-58.
What address groups should NOT be used with
the name of naval or merchant ships or the titles
of commands afloat?
1. Address indicating
2. Collective
3. Conjunctive
4. Geographical
4-59.
What is/are the main purpose(s) of address
indicating groups?
1. To increase security
2. To increase the speed of traffic handling and
to reduce the length of address components
3. To eliminate message headings
4. To notify addressees of incoming messages
4-60.
Address indicating groups can be used whenever
suitable, regardless of whether the message is
classified or unclassified.
1. True
2. False
4-61.
What groups are used in the heading and give
special instructions?
1. Special address groups
2. Special operating groups
3. Plain language stations
4. Address indicating groups
4-62.
Plain language address designators are NOT
used in communicating with which of the
following activities?
1. A civilian shore installation
2. A U.S. Air Force activity
3. A U.S. Army activity
4. An allied armed forces installation
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