Which of the following cable types would BEST suit an installation that requires reducing crosstalk and electromagnetic interference using RJ-45 connectors for network traffic within an office building that has extensive electronic equipment?
Coaxial
Shielded twisted pair (STP)
Optical (Fiber)
Unshielded twisted pair (UTP)
Shielded twisted pair (STP) cables are used in environments where there is a significant amount of electromagnetic interference (EMI). The shielding helps to prevent the communication signals from being corrupted due to EMI which can be caused by nearby power lines, electrical equipment, or other sources. This makes it ideal for an office building with extensive electronic equipment, as the shielding helps maintain signal integrity. Conversely, unshielded twisted pair (UTP) performs poorly in EMI-prone environments. Coaxial is typically used in broadband connections, not office networking, and while fiber optic offers superior performance in regards to EMI and speed, it would not support RJ-45 connectors.
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