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

Explanation

Statement 1 is correct because guided media, using physical cables, support higher data speeds than unguided wireless media.

Statement 2 is correct since enclosed guided media suffer less interference than open air unguided media.

Statement 3 is wrong because guided media are actually more secure, being harder to tap than broadcast signals.

Wireless signals travel openly through the air, so they are easier to intercept.

Guided media include twisted pair, coaxial cable and optical fibre.

Unguided media include radio waves, microwaves and infrared.

Want more like this? Create a free account to practise a full test, track your progress, and get spaced-repetition review.