SK0-005 Question #293: Real Exam Question with Answer & Explanation

Question

An administrator is designing a server for use in a factory environment that contains many pieces of large electrical equipment. Which of the following would be the BEST type of cable for the administrator to use to minimize networking issues?

Options

• ACoaxial
• BCat 5
• CCat 6
• DFiber optic

Explanation

Fiber optic cable is the best choice for a factory environment with large electrical equipment because it is immune to electromagnetic interference (EMI).

Common mistakes.

• A. Coaxial cables are copper-based and, while they have some shielding, are still susceptible to electromagnetic interference, especially in environments with large electrical equipment.
• B. Cat 5 cables are unshielded twisted pair copper cables and are highly susceptible to electromagnetic interference, which would lead to significant networking issues in a factory environment.
• C. Cat 6 cables are also unshielded or shielded twisted pair copper cables, offering better performance than Cat 5 but still susceptible to significant electromagnetic interference in environments with large electrical equipment.

Concept tested. Cable types and EMI resistance

Reference. https://www.cisco.com/c/en/us/products/switches/catalyst-9300-series-switches/fiber-optic-cables.html

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