Author Question: In the SONET hierarchy, the Term VT: A) is used to define the higher rate signals mapped into a ... (Read 79 times)

vicotolentino

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In the SONET hierarchy, the Term VT:
 
  A) is used to define the higher rate signals mapped into a SONET STS-1 frame
  B) stands for video technology
  C) both a and b are true
  D) neither a nor b is true

Question 2

What is the purpose of crossing the tip and ring wires over each other to form a twisted pair?
 
  A) to produce a canceling effect of the signals and thus eliminate cross talk
  B) to block electromagnetic interference from outside influences such as fluorescent lights
  C) both a and b are true
  D) neither a nor b is true



potomatos

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Answer to Question 1

D

Answer to Question 2

C



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potomatos

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