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Author Question: The disadvantage in using optical amplification rather than regeneration is that it is much more ... (Read 50 times)

FButt

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The disadvantage in using optical amplification rather than regeneration is that it is much more expensive.
 
  What will be an ideal response?

Question 2

The class 3 switch switches trunks between:
 
  A) international gateway switches B) toll switches
  C) class 4 or 5 switches D) all of the above



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annierak

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Answer to Question 1

detector

Answer to Question 2

D




FButt

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Reply 2 on: Jul 28, 2018
:D TYSM


xiaomengxian

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Reply 3 on: Yesterday
Excellent

 

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