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Author Question: Transmission of information in a communications link is defined by three protocol techniques: half ... (Read 62 times)

Melani1276

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on: Jul 28, 2018
Transmission of information in a communications link is defined by three protocol techniques: half duplex, full duplex, and __________.
 
  A. asynchronous
  B. framing
  C. simplex
  D. synchronous

Question 2

What is the primary function of the private branch exchange (PBX)?
 
  A. Switching one telephone line to another
  B. To meet the increasing demands of data transmission
  C. To meet the economic objectives of providing service
  D. To maintain order during the interchange of data


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trampas

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

C

Answer to Question 2

A


Melani1276

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Reply 2 on: Jul 28, 2018
Gracias!

anyusername12131

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Reply 3 on: Yesterday
Wow, this really help

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