Discuss the characteristics and applications of coaxial cables in data transmission.
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Discuss the characteristics and applications of coaxial cables in data transmission.
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- How does signal attenuation impact data transmission in coaxial cables?How does signal attenuation differ between coaxial cables and twisted-pair cables over extended distances?Explain the principles of electrical signaling used in copper cables and the challenges posed by attenuation and interference.
- Describe the various types of guided transmission media (e.g., coaxial cables, optical fibers) and their characteristics.What are some advantages of coaxial cables and why are they the most preferred guided transmission media for transmitting signals?Explain the advantages and limitations of coaxial cables as a transmission medium. How are they used in networking?
- Explain the concept of shielded vs. unshielded twisted pair (STP vs. UTP) cables and their respective applications.Explain the concept of fiber optics and the advantages it offers as a transmission medium.Explain the concept of signal-to-noise ratio in the context of transmission media. How does it affect the quality of data transmission, and what methods can be used to improve it?