the channel in the data communication model can be?
option
a.postal mail serv.
b telephon lines
c.radio signals
d. all the above

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the channel in the data communication model can be? option a.postal mail serv. b telephon lines ..

Answer / aaa

telephone lines

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the channel in the data communication model can be? option a.postal mail serv. b telephon lines ..

Answer / guest

d.all the above

Is This Answer Correct ?    8 Yes 2 No

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