Chapter 7 Telecommunications, the Internet, and Wireless Technology

190) How does packet switching work?

191) Describe the principal components of telecommunications networks and key networking technologies?

192) Murray is trying to decide what type of telecommunication transmission media and what type of network he might use at the University of Lethbridge. Murray goes to the IS faculty to learn about these subjects in a general way. Describe to Murray what the main telecommunications transmission media and type of network the university would use.

193) Linda has been reading in the popular press all about RFID and wireless sensor networks. She is in the livestock business and wonders if there might be some applications of this technology in her industry. Linda first wants to understand the basics of these technologies. Describe for her why radio frequency identification (RFID) and wireless sensor networks can be valuable for business.

194) Identify the layers of the Department of Defense reference model for TCP/IP, and describe how this model works.