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Author Question: The world's public switched telephone networks, both wireline and mobile, communicate with each ... (Read 79 times)

casperchen82

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on: Jul 28, 2018
The world's public switched telephone networks, both wireline and mobile, communicate with each other by means of a signaling protocol known as __________________.
 
  A. private branch exchange (PBX)
  B. Signaling System 7
  C. public switched telephone network (PSTN)
  D. public data network (PDN)

Question 2

A ______________ terminated in an open has a reflected voltage wave that is always of the same polarity and amplitude as the incident voltage wave.
 
  A. transmission line
  B. magnetic field
  C. wavelength
  D. circuit


karlss

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Reply #1 on: Jul 28, 2018
Answer to Question 1

B

Answer to Question 2

A


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