Author Question: The PSTN core is organized as a ________. A) mesh B) hierarchy C) modified hierarchy D) ... (Read 185 times)

craiczarry

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The PSTN core is organized as a ________.
 
  A) mesh
  B) hierarchy
  C) modified hierarchy
  D) loop

Question 2

Ethernet standards are specified at the ________ layer.
 
  A) physical
  B) internet
  C) both A and B
  D) neither A nor B



prumorgan

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Answer to Question 1

C

Answer to Question 2

A



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