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1. In the U.S., the Federal Communications Commission approved the commercial use of ultra wideband technology on February 14, 2002. Describe the features of UWB, including range, power requirements, data transfer rate, applications, and at least one characteristic that differentiates it from ZigBee or Bluetooth.;2. What is the difference between noise and distortion? How can noise and distortion be introduced into a transmission medium? How does a channel's signal-to-noise ratio affect the reliability of data transmission?;3. Describe the differences between CSMA/CD and CSMA/CA. Explain the reasons why CSMA/CA is used instead of CSMA/CD for wireless networks.;4. The current IP address standard is 32 bits. IPv6 will increase the address length to 128 bits. An IP socket address is a combination of an IP address and IP port number, usually written with the IP address first followed by a colon and the port number (for example, An IP socket allows multiple hardware devices or software services to "listen" to different message streams sent to the same IP address.;a. What is the URL name and dotted quad IP address of an Internet URL that you use? (It could be your ISP);b. What is the Network Class of the address?;c. How did you determine the dotted quad address (i.e., what utility did you use to determine the address not how you converted it to binary)?


Paper#71230 | Written in 18-Jul-2015

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