In the SONET hierarchy, the Term VT: A) is used to define the ...

[vicotolentino]

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]

Answer to Question 1

D

Answer to Question 2

C

[vicotolentino]

Thank you!

[potomatos]

Always glad to help...