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To check the performance of flow and error control, an IS
auditor should focus the use of a protocol analyzer on which
of the following layers?

A. Network

B. Transport

C. Data link

D. Application

Question Posted / uma

Answer Posted / uma

Data Link Layer. Flow control coordinates the amount of data that can be sent before receiving acknowledgement.Error control in the same layer is based on Automatic Request repeat which implies re transmission of data

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