Q&A 243
13
What was the driving force behind the creation of X.25?
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14
What entity governs the X.25 standards evolution?
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15
What is the difference between X.25 DCE and DTE?
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16
List the X.25 layers.
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17
X.121 addresses are considered to be at which layer of the X.25 model?
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18
List the three LAPB frame formats.
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19
Does the X.25 DCE have to be the physical DCE?
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