Network Defense Essentials (NDE) Practice Exam 2025 - Free Network Defense Practice Questions and Study Guide

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Question: 1 / 545

What type of cable did Freddy install to enhance security and reduce interference?

Coaxial

Unshielded twisted pair

Shielded twisted pair

Freddy installed a shielded twisted pair (STP) cable to enhance security and reduce interference, which makes it the most suitable choice. STP cables are designed with an additional layer of shielding, typically made from foil or a mesh, that encases the twisted pairs of wires. This shielding helps to protect the signals from external electromagnetic interference (EMI) generated by nearby electrical devices or cables.

In environments where interference is a concern, such as industrial areas or places with high electromagnetic output, using STP can significantly improve the quality and reliability of the data transmission. Additionally, the twisted pair design helps in canceling out crosstalk, which further contributes to signal integrity.

This choice supports both security and performance needs, making it particularly valuable in networking scenarios where maintaining clear and secure communications is critical.

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Fiber optic

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