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card_109777.txt
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Text File
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1991-04-08
|
981b
|
42 lines
-- card: 109777 from stack: in
-- bmap block id: 0
-- flags: 4000
-- background id: 7720
-- name: #356
----- HyperTalk script -----
on openCard
global group,rightone
put 33 into group
put "B" into rightone
pass openCard
end openCard
-- part contents for background part 20
----- text -----
Question #33
-- part contents for background part 1
----- text -----
4BH-2B.3 The International Organization for Standardization has developed a seven-level reference model for a packet-radio communications structure. What level arranges the bits into frames and controls data flow?
-- part contents for background part 11
----- text -----
The transport layer
-- part contents for background part 27
----- text -----
The link layer
-- part contents for background part 28
----- text -----
The communications layer
-- part contents for background part 29
----- text -----
The synchronization layer
-- part contents for background part 43
----- text -----
Correct answer is B