In which OSI model layer(s) do NICs operate?
A) Physical
B) Network and Physical
C) Data Link
D) Physical and Data Link

Question

Quizplus · Accepted Answer

NICs (Network Interface Cards) operate in both Physical and Data Link layers of the OSI model. The Physical layer of the OSI model is responsible for transmitting raw bit streams over a physical medium, while the Data Link layer is responsible for providing error-free transfer of data frames between devices on a network. Therefore, NICs, which are hardware devices used to connect a computer to a network, need to operate at both these layers to ensure proper communication between devices.

In Which OSI Model Layer(s) Do NICs Operate