Transmission Media MCQs

1. What is transmission media?
A) The physical path through which data is transmitted
B) A software application for data transfer
C) A type of network protocol
D) A security measure for data protection
Answer: A

2. Which of the following is NOT a type of guided transmission media?
A) Twisted pair cable
B) Coaxial cable
C) Fiber optic cable
D) Radio waves
Answer: D

3. What is the primary advantage of fiber optic cables?
A) Low cost
B) High bandwidth and low attenuation
C) Flexibility
D) Easy installation
Answer: B

4. Which type of cable is most commonly used in local area networks (LANs)?
A) Coaxial cable
B) Fiber optic cable
C) Twisted pair cable
D) Satellite link
Answer: C

5. What is the maximum distance for effective data transmission using twisted pair cables?
A) 100 meters
B) 300 meters
C) 1000 meters
D) 2000 meters
Answer: A

6. Which type of transmission media uses light signals to transmit data?
A) Twisted pair
B) Coaxial
C) Fiber optic
D) Wireless
Answer: C

7. What is the primary disadvantage of using coaxial cables?
A) High cost
B) Bulkiness and weight
C) Limited bandwidth
D) Poor signal quality
Answer: B

8. Which type of transmission medium is most susceptible to electromagnetic interference?
A) Fiber optic
B) Coaxial cable
C) Twisted pair cable
D) Wireless
Answer: C

9. What is the primary use of microwave transmission?
A) Short-distance communication
B) Long-distance communication
C) Local area networks
D) Data storage
Answer: B

10. Which type of fiber optic cable is designed for long-distance communication?
A) Single-mode fiber
B) Multi-mode fiber
C) Plastic fiber
D) Coaxial fiber
Answer: A

11. What is the main advantage of wireless transmission?
A) High bandwidth
B) Mobility and convenience
C) Low cost
D) High security
Answer: B

12. Which of the following is a common use of fiber optic cables?
A) Telephone lines
B) Internet backbone connections
C) Local area networks
D) All of the above
Answer: D

13. What is the main limitation of wireless communication?
A) Interference and obstacles
B) Limited bandwidth
C) High cost
D) Low speed
Answer: A

14. What type of transmission media uses waves to transmit data over long distances?
A) Twisted pair
B) Fiber optic
C) Coaxial
D) Radio frequency
Answer: D

15. What is a significant feature of shielded twisted pair (STP) cables?
A) It is more flexible than unshielded cables
B) It has improved resistance to interference
C) It is less expensive than unshielded cables
D) It has a higher data rate
Answer: B

16. In what application would you most likely use coaxial cable?
A) Telephone systems
B) Television distribution
C) Computer networks
D) All of the above
Answer: B

17. What is the main characteristic of unshielded twisted pair (UTP) cables?
A) They have an outer shield for protection
B) They are less susceptible to interference
C) They are commonly used in Ethernet networks
D) They have a higher data capacity than STP
Answer: C

18. Which transmission medium is most commonly used for long-distance telecommunication?
A) Twisted pair
B) Coaxial cable
C) Fiber optic
D) Microwave
Answer: C

19. What is a common disadvantage of using fiber optic cables?
A) High attenuation
B) Expensive installation
C) Susceptibility to electromagnetic interference
D) Limited bandwidth
Answer: B

20. In wireless networks, what does the term "line of sight" refer to?
A) The distance a signal can travel
B) The absence of physical obstructions
C) The angle of signal transmission
D) The quality of the signal received
Answer: B

21. Which of the following is a characteristic of multimode fiber?
A) It supports long-distance communication
B) It uses a single light mode for transmission
C) It is generally used for short distances
D) It is more expensive than single-mode fiber
Answer: C

22. What is the purpose of using repeaters in transmission media?
A) To increase data rate
B) To amplify the signal
C) To reduce noise
D) To convert analog signals to digital
Answer: B

23. Which type of transmission media can transmit data without the need for physical connections?
A) Twisted pair
B) Fiber optic
C) Wireless
D) Coaxial
Answer: C

24. What type of cable is commonly used for connecting home devices to the internet?
A) Coaxial cable
B) Fiber optic cable
C) Twisted pair cable
D) All of the above
Answer: D

25. In terms of data transmission, what does "attenuation" refer to?
A) The increase in signal strength
B) The loss of signal strength over distance
C) The clarity of the signal
D) The speed of data transmission
Answer: B

26. Which of the following is a characteristic of radio frequency transmission?
A) High cost
B) Limited range
C) Line-of-sight requirement
D) Capability to penetrate obstacles
Answer: D

27. What type of modulation is commonly used in fiber optic communications?
A) Amplitude modulation
B) Frequency modulation
C) Phase modulation
D) None of the above
Answer: C

28. What is the typical frequency range for wireless communications?
A) 1 Hz to 1 KHz
B) 2 MHz to 300 GHz
C) 1 GHz to 10 THz
D) 10 KHz to 30 MHz
Answer: B

29. Which transmission medium is best for high-speed internet connections?
A) Twisted pair
B) Coaxial cable
C) Fiber optic cable
D) All of the above
Answer: C

30. In what scenario would you most likely use satellite transmission?
A) Urban areas with dense infrastructure
B) Remote areas without cable access
C) Indoor networking
D) Local area networking
Answer: B

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