Spectrum Field Technician 1 Exam 2025 – 400 Free Practice Questions to Pass the Exam

Question: 1 / 400

Which statement describes noise in the context of data transmission?

It strengthens the signal

It is an unwanted disturbance

In the context of data transmission, noise refers to any unwanted disturbance that interferes with the clear transmission of signals. This disturbance can be caused by various factors, such as electrical interference, cross-talk from adjacent wires, or even environmental factors like weather conditions. When noise is present, it can distort the actual data being sent, leading to errors in transmission, data loss, or reduced quality of the received signal. Thus, the description of noise as an unwanted disturbance accurately captures its negative impact on data communication systems and highlights its role in creating challenges for effective transmission and reception of information.

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It improves picture quality

It is a necessary part of the data stream

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