Data Communication MCQs with Answers
Practice important Data Communication MCQs with answers and explanations.
Multiple Choice Questions
Q1521: What are fiber optic cables primarily made of?
- A: Copper
- B: Aluminum
- C: Glass or plastic
- D: Steel
View Answer
C
Q1522: Fiber optic cables transmit data using ______.
- A: Electricity
- B: Sound waves
- C: Light
- D: Radio waves
View Answer
C
Q1523: Fill in the blank: Fiber optic cables transmit signals in the form of ______.
- A: sound
- B: radio waves
- C: light
- D: magnetic fields
View Answer
C
Q1524: Which of the following is a key component of a fiber optic cable?
- A: Metal wires
- B: Glass or plastic fibers
- C: Copper shielding
- D: Aluminum threads
View Answer
B
Q1525: What is the main function of fiber optic cables in data communication?
- A: To block interference
- B: To transmit light signals
- C: To store data
- D: To encode software
View Answer
B
Q1526: Fill in the blank: The core of a fiber optic cable is typically made from ______.
- A: rubber
- B: copper
- C: glass or plastic
- D: steel
View Answer
C
Q1527: Which medium is most suitable for long-distance and high-speed data transmission?
- A: Coaxial cable
- B: Twisted-pair cable
- C: Fiber optic cable
- D: Power cable
View Answer
C
Q1528: The material used in fiber optic cables must be capable of ______.
- A: conducting electricity
- B: transmitting magnetic pulses
- C: transmitting light
- D: bouncing sound waves
View Answer
C
Q1529: Fiber optic cables rely on the principle of ______ for signal transmission.
- A: Resonance
- B: Magnetic Induction
- C: Light reflection
- D: Sound bouncing
View Answer
C
Q1530: Which one of these is NOT a component of fiber optic cable?
- A: Core
- B: Cladding
- C: Copper wire
- D: Jacket
View Answer
C