Data Communication MCQs with Answers
Practice important Data Communication MCQs with answers and explanations.
Multiple Choice Questions
Q1431: Which is most vulnerable to weather interference?
- A: Optical fiber
- B: Twisted pair
- C: Coaxial cable
- D: Radio waves
View Answer
D
Q1432: What is used in fiber optics to transmit data?
- A: Light pulses
- B: Radio signals
- C: Electricity
- D: Magnetic waves
View Answer
A
Q1433: Which medium is most commonly used in LAN cabling?
- A: Coaxial cable
- B: Twisted pair
- C: Infrared
- D: Radio waves
View Answer
B
Q1434: Which of the following is NOT a type of guided transmission medium?
- A: Twisted-pair cable
- B: Coaxial cable
- C: Fiber optic cable
- D: Microwave
View Answer
D
Q1435: Twisted-pair cable consists of ______ copper conductors.
- A: 1
- B: 2
- C: 3
- D: 4
View Answer
B
Q1436: Each copper conductor in a twisted-pair cable is covered with ______.
- A: rubber
- B: metal
- C: plastic
- D: insulation
View Answer
C
Q1437: What helps reduce electromagnetic interference in twisted-pair cables?
- A: Plastic coating
- B: Twisting of wires
- C: Metal shield
- D: Length of wire
View Answer
B
Q1438: Fill in the blank: In a twisted-pair cable, the receiver detects signals based on the ______ between the wires.
- A: resistance
- B: voltage difference
- C: length difference
- D: frequency
View Answer
B
Q1439: What issue is commonly associated with twisted-pair cables?
- A: Latency
- B: Interference and crosstalk
- C: Bandwidth overload
- D: Data redundancy
View Answer
B
Q1440: Which of the following media offers the highest resistance to interference?
- A: Twisted-pair
- B: Coaxial cable
- C: Fiber optic cable
- D: Microwave
View Answer
C