Which of the following is a major advantage of Unshielded Twisted Pair (UTP) cables compared to Shielded Twisted Pair (STP)?

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  1. Better performance in industrial environments
  2. Lower cost and easier installation
  3. Complete resistance to EMI
  4. Higher durability

Answer (Detailed Solution Below)

Option 2 : Lower cost and easier installation
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Detailed Solution

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The correct answer is: 2) Lower cost and easier installation

Explanation:

Unshielded Twisted Pair (UTP) cables have the following advantages over Shielded Twisted Pair (STP):

  1. Lower Cost: UTP cables do not require shielding materials (e.g., foil, braided mesh), making them cheaper to manufacture.

  2. Easier Installation: UTP cables are lighter and more flexible due to the absence of shielding, simplifying routing and termination.

Why Not the Other Options?

  1.  Better performance in industrial environments → STP is superior in high-EMI (electromagnetic interference) areas like factories.

  2.  Complete resistance to EMI → UTP has no shielding, so it is more susceptible to EMI than STP.

  3.  Higher durability → Shielding in STP can provide extra mechanical protection, making it more durable in harsh conditions.

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