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Author Question: An IaaS provides ________. A) servers B) application programs C) both A and B D) neither A nor ... (Read 111 times)

mpobi80

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on: Jul 7, 2018
An IaaS provides ________.
 
  A) servers
  B) application programs
  C) both A and B
  D) neither A nor B

Question 2

Briefly explain why asynchronous protocols are not very efficient.
 
  What will be an ideal response?


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jharrington11

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Reply #1 on: Jul 7, 2018
Answer to Question 1

A

Answer to Question 2

Popular asynchronous protocols include XModem, YModem, ZModem, and Kermit. In general, asynchronous protocols are simple and relatively inexpensive to implement. However, they are not very efficient. Here is why. An asynchronous protocol requires that every data byte include a start and a stop bit before and after it. This means that each character's byte begins with a start bit and ends with a stop bit. Start bits are always 0, and stop bits are always 1.


mpobi80

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Reply #2 on: Jul 7, 2018
Correct answers!


jharrington11

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Reply #3 on: Jul 7, 2018
Great! Please up vote :D


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