LESSON 2
PRACTICE EXERCISE
There is only one correct answer for each item. When you complete the exercise, check your
answers with the answer key that follows. If you answer any item incorrectly, study again that
part of the lesson which contains the portion involved.
1.
Duplex operation requires the use of what?
A. simplex frequencies.
B. complex working.
C. complex sending frequencies.
D. complex receiving frequencies.
2.
What usage is probably employed if each station receives on one frequency and
transmits (sends) on a number of different frequencies?
A. duplex.
B. complex sending.
C. complex working.
D. complex receiving.
3.
Which terms below describes simultaneous transmitting and receiving between two
stations?
A. simplex working.
B. duplex working.
C. complex working.
D. complex receiving.
2-11
IT0301
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