Network Defense Essentials (NDE) 2025 – 400 Free Practice Questions to Pass the Exam

Question: 1 / 545

What is the structural composition of a coaxial cable?

A single copper conductor with a plastic shield

A single copper conductor with a braided metal shield

A coaxial cable is characterized by its structural composition, which includes a central single copper conductor serving as the core, surrounded by an insulating layer. This is then encased in a braided metal shield, which can help in both signal transmission and interference protection, ensuring minimal loss of signal quality. The function of the braided metal shield is particularly important as it acts to block external electromagnetic interference, thus enhancing the reliability of data transmission through the cable. Lastly, there is typically an outer insulating layer to protect the entire assembly.

In understanding this structure, it is important to recognize that while various cables might have differing materials and configurations, the unique design of coaxial cables with their central conductor and braided shielding makes them distinct in their function and use in networking scenarios.

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Multiple fiber-optic strands surrounded by copper

A spiral copper wire wrapped in rubber

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