3.1 Optical Fiber

Question 1

Transmission by light– The visible spectrum. No RF signal– Very difficult to monitor or tap. Signal slow to degrade– Transmission over long distances.Immune to radio interference - There’s no RF.

Answer 1

Optical fiber communication

Question 2

Short-range communication– Up to 2 km.Relatively inexpensive light source-I.E., LED.

Answer 2

Multimode Fiber.

Question 3

Long-range communication– Up to 100 km without processing.Expensive light source– Commonly uses laser.

Answer 3

Single Mode Fiber