1. What is transmission media in telecommunication?
- A) Devices used to amplify signals
- B) Pathways that transmit data between devices
- C) Protocols for data transfer
- D) Methods for encrypting information
Answer: B) Pathways that transmit data between devices
2. Which of the following is an example of unguided transmission media?
- A) Coaxial cable
- B) Optical fiber
- C) Radio waves
- D) Twisted pair
Answer: C) Radio waves
3. What is the primary difference between guided and unguided transmission media?
- A) Guided media uses physical paths; unguided media uses wireless methods
- B) Guided media is faster than unguided media
- C) Unguided media is always more reliable
- D) Guided media cannot transmit over long distances
Answer: A) Guided media uses physical paths; unguided media uses wireless methods
4. Which transmission medium is most suitable for high-speed data transmission over long distances?
- A) Twisted pair cable
- B) Coaxial cable
- C) Optical fiber
- D) Radio waves
Answer: C) Optical fiber
5. Which of the following is not a characteristic of optical fiber?
- A) High bandwidth
- B) Resistance to electromagnetic interference
- C) Easy to tap into for eavesdropping
- D) Long-distance transmission capability
Answer: C) Easy to tap into for eavesdropping
6. What type of cable is commonly used for Ethernet networks?
- A) Coaxial cable
- B) Twisted pair cable
- C) Fiber optic cable
- D) Power cable
Answer: B) Twisted pair cable
7. Which of the following is a disadvantage of twisted pair cables?
- A) High cost
- B) High susceptibility to electromagnetic interference
- C) Limited bandwidth
- D) Inability to transmit data
Answer: B) High susceptibility to electromagnetic interference
8. Which transmission medium is commonly used for cable television?
- A) Coaxial cable
- B) Twisted pair cable
- C) Optical fiber
- D) Satellite
Answer: A) Coaxial cable
9. Which of the following unguided media uses line-of-sight communication?
- A) Infrared
- B) Microwave
- C) Radio waves
- D) All of the above
Answer: D) All of the above
10. In wireless transmission, what does the term “attenuation” refer to?
- A) Loss of signal strength as it travels
- B) Increase in bandwidth
- C) Conversion of signals
- D) Signal interference
Answer: A) Loss of signal strength as it travels
11. What is the primary advantage of satellite communication?
- A) High latency
- B) Wide area coverage
- C) Low setup cost
- D) Minimal maintenance requirements
Answer: B) Wide area coverage
12. Which of the following is a guided transmission medium?
- A) Bluetooth
- B) Optical fiber
- C) Infrared
- D) Wi-Fi
Answer: B) Optical fiber
