What does 'crosstalk' refer to in data communication?

Crosstalk in data communication refers to the unwanted transfer of signals between communication channels. This typically occurs when signals from adjacent wires affect the intended signal, leading to interference. This can degrade the quality of the received signal and potentially lead to data errors or loss.

Understanding crosstalk is essential for designing effective communication systems, especially in environments with tightly packed cables where various signals may interact. It is a critical factor to consider for maintaining data integrity and ensuring efficient communication within network infrastructures.

The other options represent different concepts in data communication. Amplification refers to increasing the strength of a signal, data packet loss pertains to information that fails to reach its destination, and equalization involves adjusting signals to ensure they arrive at a similar amplitude and phase at the receiver. Each of these concepts plays a role in data communication, but they do not capture the essence of what crosstalk specifically entails.