Which layer of the tcp/ip model manages the transmission of binary digits across an ethernet cable? a . data link
b . physical
c . transport
d . network

The answer is "Option B"

Explanation:

TCP/IP layer also known as Network Access Layer. The physical is used to data transfer between two devices on the same network that will be carried out primarily through this layer. and other options are incorrect that can be described as follows:

In option A, data is information that uses by physical layer protocol that's why it is not correct. In option C, the transport layer aims to enable a conversation between devices in the source and the destination hosts. That's why it is not correct. In option D, In TCP/IP, the Network layer is known as the internet layer that's why it is not correct.

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