ADV-UNIT-5-TOPIC-Transmission Media

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#1. What is the primary purpose of transmission media in a communication system?

#2. Which transmission medium consists of pairs of insulated copper wires twisted together?

#3. What is the central conductor in a coaxial cable typically made of?

#4. What is the primary purpose of transmission media in a communication system?

#5. Which transmission medium consists of pairs of insulated copper wires twisted together?

#6. What is the central conductor in a coaxial cable typically made of?

#7. Fiber optic cables transmit data as:

#8. Which advantage is associated with fiber optic cables?

#9. Wireless transmission is characterized by:

#10. What is a disadvantage of wireless transmission?

#11. Satellite communication is known for:

#12. Microwave transmission is suitable for:

#13. Infrared transmission is commonly used in:

#14. Power Line Communication (PLC) utilizes:

#15. Which factor is a limitation of Power Line Communication (PLC)?

#16. What is the primary disadvantage of infrared transmission?

#17. What does the term "line-of-sight" refer to in microwave transmission?

#18. Which transmission medium is immune to electromagnetic interference?

#19. What is the primary characteristic of twisted pair cables?

#20. Which transmission medium is commonly used for cable television and broadband internet?

#21. The central conductor in a coaxial cable is surrounded by:

#22. Which type of cable is suitable for transmitting data over long distances without signal loss?

#23. What is the primary characteristic of electromagnetic waves in wireless transmission?

#24. Which communication medium is known for point-to-point communication using high-frequency microwave signals?

#25. What is the primary goal of satellite communication?

#26. Which transmission medium utilizes existing power lines for data transmission?

#27. Infrared transmission is commonly used in which of the following?

#28. Which factor is a limitation of Power Line Communication (PLC)?

#29. What is the primary purpose of error detection in computer networks?

#30. Which error detection method involves adding a parity bit to the data to ensure even or odd parity?

#31. What is the purpose of a checksum in error detection?

#32. Which error detection method involves adding a hash value to the data for verification?

#33. In error detection using CRC, what does the receiver do to check for errors?

#34. Which error correction method involves retransmitting the entire data frame upon error detection?

#35. What does ARQ stand for in error correction?

#36. Which ARQ protocol requires the sender to wait for an acknowledgment before sending the next frame?

#37. Forward Error Correction (FEC) adds redundant information to:

#38. Which coding scheme is an example of Forward Error Correction (FEC)?

#39. What is the primary consideration in choosing an error correction method for real-time applications?

#40. In error detection, what is the overhead associated with?

#41. Which method introduces redundancy to correct errors without retransmission?

#42. What does the term "line-of-sight" typically refer to in ARQ protocols?

#43. Which error correction method uses acknowledgment and negative acknowledgment messages?

#44. What is a limitation of Power Line Communication (PLC)?

#45. Which error detection method is commonly used for detecting errors in data transmission over telephone lines?

#46. In which scenario is FEC (Forward Error Correction) particularly beneficial?

#47. What is the primary goal of error detection in computer networks?

#48. Which method is used for error detection by dividing the data by a predetermined polynomial?

#49. What is the primary purpose of Parity Checking in error detection?

#50. In Parity Checking, what is the role of the parity bit?

#51. Which type of Parity Checking ensures that the total number of bits (including the parity bit) is even?

#52. If a data byte with Even Parity has an odd number of 1s, what action is taken during Parity Checking?

#53. What is a limitation of Parity Checking as an error detection method?

#54. What is the primary purpose of Cyclic Redundancy Check (CRC) in data communication?

#55. How does CRC detect errors in data transmission?

#56. What is a CRC polynomial used for in the CRC process?

#57. Which statement accurately describes the relationship between the sender and receiver in CRC?

#58. In CRC, what does the sender transmit along with the data to facilitate error detection at the receiver?

#59. If the received CRC at the receiver matches the calculated CRC, what is the likely status of the transmitted data?

Finish