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1. Name the first three layers present in ISDN. 2. True or False: Today nearly all voice switching in the U.S. is digital within the telephone network. 3. What is the difference between one way and two way satellite access and what does terrestial based access mean? 4. True or False: Since DSL uses the telephone's DSLAM(DSL access multiplexing) DSL users do not have to worry about throughput fall off. 5. Modem stands for modulation/demodulation, what does this mean? a) Modulation switches the signal to analog. b) Demodulation switches the signal to digital. c) Both a and b are correct. d) Neither of the above. 6. A wireless "hot spot" is? a) A place to fry your hard drive. b) A place to meet hot looking people. c) A place to access the internet without a physical connection to a modem. d) All of the above |