Which of the following is NOT an advantage of fiber optic cable? noise resistance less signal attenuation higher bandwidth cost Save Question 36 (1 point) We need to use synchronous TDM and combine 20 digital sources, each of 100 Kbps. Each output slot carries 1 bit from each digital source, but one extra bit is added to each frame for synchronization. What is the output data rate? 2.1 Mbps 1 Mbps 21,000 2.1 Kbps Save Question 37 (1 point) In the analog hierarchy described in Chapter 6, a kHz and can be made up of either 5 groups or 60 independent voice channels. has a bandwidth of 240 group master group jumbo group supergroup Save