Q:

Which of the following statement is incorrect ?

mhmadesk

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2022-05-20

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Which of the following statement is incorrect ?

The second layer of communication is the data-link layer
Errors in the physical layer can be detected by the data link layer
The fourth layer, in reference to the OSI model, is the session layer
The CCITT Recommendation X.25 specifies three layers of communication: physical, link and network

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mhmadesk

2022-05-20

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(c).The fourth layer, in reference to the OSI model, is the session layer

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