-- card: 110245 from stack: in
-- bmap block id: 0
-- flags: 4000
-- background id: 7720
-- name: #358
----- HyperTalk script -----
on openCard
  global group,rightone
  put 33 into group
  put "D" into rightone
  pass openCard
end openCard



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Question #33

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4BH-2D.1 What type of error control system does "Mode A" AMTOR use?

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Each character is sent twice

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The receiving station checks the calculated frame check sequence (FCS) against the transmitted FCS

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Mode A AMTOR does not include an error control system

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The receiving station automatically requests repeats when needed

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Correct answer is D