Paper 1 · ICT
UGC NET December 2023 (13.12.2023) Shift-I
Which of the following statements regarding guided and unguided media in computer networking are correct? Choose the correct answer from the options given below.
- 1. Guided media transmission supports higher data speeds than unguided media transmission
- 2. Guided media is subjected to less interference than unguided media
- 3. Unguided media transmission is more secure than guided media transmission
A1 and 2 only ✓ Correct
B1 and 3 only
C2 and 3 only
D1, 2 and 3
Correct answer: (A) 1 and 2 only — Guided media give higher speeds and face less interference, so the answer is 1 and 2.
Explanation
★Guided media give higher speeds and face less interference, so the answer is 1 and 2.
★Guided media use physical cables such as twisted pair, coaxial or fibre.
★Signals confined to a cable travel faster and carry more data.
★Being enclosed, they also pick up much less external interference.
★Unguided media send signals through open air, which is easier to intercept.
★So unguided media are less, not more, secure, which makes statement 3 false.
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