Data Communication MCQs with Answers
Practice important Data Communication MCQs with answers and explanations.
Multiple Choice Questions
Q1421: Which of the following is not used in unguided transmission?
- A: Infrared waves
- B: Microwaves
- C: Coaxial cables
- D: Radio waves
View Answer
C
Q1422: Which of the following is a major disadvantage of unguided media?
- A: Requires physical installation
- B: High bandwidth
- C: Easy to install
- D: Susceptible to interference
View Answer
D
Q1423: What is the major benefit of guided media?
- A: No need for wiring
- B: Less affected by noise
- C: High installation cost
- D: Fast satellite linking
View Answer
B
Q1424: Which of the following offers the highest data transmission speed?
- A: Twisted pair
- B: Coaxial cable
- C: Optical fiber
- D: Radio wave
View Answer
C
Q1425: Fill in the blank: ______ cables consist of a central conductor, insulator, metallic shield, and outer cover.
- A: Optical fiber
- B: Twisted pair
- C: Coaxial
- D: Infrared
View Answer
C
Q1426: Which medium is best suited for long-distance high-speed data transmission?
- A: Twisted pair
- B: Optical fiber
- C: Infrared
- D: Microwave
View Answer
B
Q1427: Unguided media are also known as ______ transmission.
- A: physical
- B: broadcast
- C: wireless
- D: satellite
View Answer
C
Q1428: Which of the following uses line-of-sight for signal transmission?
- A: Coaxial cable
- B: Twisted pair
- C: Microwave
- D: Optical fiber
View Answer
C
Q1429: Fill in the blank: In guided media, data transmission occurs through a ______ medium.
- A: physical
- B: visual
- C: wireless
- D: magnetic
View Answer
A
Q1430: What differentiates guided and unguided transmission media?
- A: Speed
- B: Direction
- C: Use of physical path
- D: Power consumption
View Answer
C