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The lights on the network interface card (NIC) in the computer do not flash even when the computer is turned on. This indicated a failure at the ______ layer of the Open System Interconnection (OSI) model.

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The lights on the network interface card (NIC) in the computer do not flash even when the computer is turned on. This indicated a failure at the ______ layer of the Open System Interconnection (OSI) model.






 
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