Which of the following statement about the OSI reference model is correct?

Which of the following statement about the OSI reference model is correct?
A . The data at the transport layer is called a frame (Frame)
B . The data at the network layer is called a segment (Segment)
C . The data at the data link layer is called a packet (Packet)
D . The data in the physical layer is called bit (Bit)

Answer: D