Figure 4 shown the data signal reference for bit and baud rate of the copper cable used networking system. Evaluate the process of the signal references to the receiver from the transmitter in the networking based on Figure 4. [Rajah 4 menunjukkan rujukan isyarat untuk bit dan baud dalam kabel kuprum untuk sistem rangkaian. Nilaikan proses rujukan isyarat ke penerima daripada pemancar dalam rangkaian berdasarkan Rajah 4.] ISO Data Link Specified in MHz Encode Bit Rate Baud 1 0 1 Transmitter Specified in bits/second (10 Marks/ Markah) ISO Physical Layer Cable Plant TIA/TIA-568-C or ISO/IEC Cables and Connecting Hardware Decode Receiver Figure 4 [Rajah 4]