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Question:   X.25 protocol encapsulates the following layers

A. Network
B. Datalink
C. Physical
D. All of the above
E. None of the above





October 10, 2005 05:42:40 #2
 Mahesh   Member Since: October 2005    Total Comments: 10 

RE: X.25 protocol encapsulates the following layers
 

Answer is D. All of the above
Hint: X.25 encompasses the first three layers of the OSI 7-LAYERED ARCHITECTURE as defined by the INTERNATIONAL STANDARDS ORGANIZATION (ISO).

     

 

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