OCN-Q1

What is the primary function of an optical fiber in communication systems?

• a) Amplify electrical signals

• b) Transmit light signals

• c) Convert analog signals to digital

• d) Store data

Which of the following is the core material commonly used in optical fibers?

• a) Copper

• b) Aluminum

• c) Glass or plastic

• d) Silicon

The phenomenon that allows light to travel through an optical fiber is known as:

• a) Reflection

• b) Refraction

• c) Total Internal Reflection

• d) Diffraction

Which type of optical fiber has a core with a diameter of approximately 8-10 micrometers?

• a) Single-mode fiber

• b) Multimode fiber

• c) Step-index fiber

• d) Graded-index fiber

What is the primary advantage of using optical fiber over copper cables in communication systems?

• a) Lower cost

• b) Higher bandwidth and data rate

• c) Easier installation

• d) Greater flexibility