Data Communication MCQs with Answers
Practice important Data Communication MCQs with answers and explanations.
Multiple Choice Questions
Q1561: Which of the following is a key feature of unguided media?
- A: Private transmission
- B: Use of twisted pair cables
- C: Signal confinement
- D: Signal availability to anyone with a receiver
View Answer
D
Q1562: Fill in the blank: ______ medium does not require any physical conductor for data transmission.
- A: Guided
- B: Copper
- C: Unguided
- D: Optical
View Answer
C
Q1563: Which of the following is an example of unguided media?
- A: Twisted pair cable
- B: Fiber-optic cable
- C: Radio waves
- D: Coaxial cable
View Answer
C
Q1564: Unguided transmission is most suitable for which environment?
- A: Submarine communication
- B: Cabled LANs
- C: Open outdoor communication
- D: Industrial control systems
View Answer
C
Q1565: Which device is required to receive signals from unguided media?
- A: Router
- B: Receiver device
- C: Switch
- D: Hub
View Answer
B
Q1566: Fill in the blank: In unguided media, the signal is transmitted through the ______.
- A: network cable
- B: air or vacuum
- C: twisted pair
- D: conductor
View Answer
B
Q1567: Which of the following is NOT a characteristic of wireless communication?
- A: Signal availability to all receivers
- B: Use of guided cables
- C: Free-space propagation
- D: No physical medium
View Answer
B
Q1568: Wireless signals can be received by ______.
- A: Only wired LAN users
- B: Any compatible device with a receiver
- C: Only main servers
- D: Only private networks
View Answer
B
Q1569: Electromagnetic waves with frequencies between 3 kHz and 1 GHz are called ______.
- A: Microwaves
- B: Radio waves
- C: Infrared rays
- D: X-rays
View Answer
B
Q1570: Electromagnetic waves with frequencies between 1 GHz and 300 GHz are known as ______.
- A: Radio waves
- B: Microwaves
- C: Gamma rays
- D: UV rays
View Answer
B