1. (20 points) Many of the transmission media have performance characteristics that are the result of the design of the medium. A. (4 points) Why is twisted-pair cable twisted? B. (3 points) Give two performance advantages of coaxial cable over twisted-pair cable. C. (3 points) Give two performance advantages of twisted-pair cable over coaxial cable. D. (3 points) What aspect of Radio Waves make them suitable for commercial radio (AM, FM)? E. (3 points) Give an advantage of microwave communication systems over Radio wave systems? F. (4 points) What is the main reason for the higher performance achieved by single- mode fiber over multimode