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Question 57Asked in DSSSB TGT Computer Science (Technical), 7 Aug 2021, Shift 3

Which of the following is not an example of Guided transmission media?

  1. AFiber optic
  2. BInfrared wave
  3. CTwisted pair
  4. DCoaxial cable
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Correct answer: (B) Infrared wave

Explanation

Infrared waves travel through air with no physical conductor, so they are unguided media. Fiber optic, twisted pair and coaxial cable are guided.

From DSSSB TGT Computer Science PYQ (Technical), 7 Aug 2021, Shift 3

This is question 57 of DSSSB TGT Computer Science PYQ (Technical), 7 Aug 2021, Shift 3. See all questions of this paper with answers, or attempt the paper as a timed online test to get your score and all-India rank.