What are the principal components of telecommunications networks

Review questions chapter 7Review Questions7-1 What are the principal components of telecommunications networks and key networking technologies?Describe the features of a simple network and the network infrastructure for a large company.7-2 What are the different types of networks?Define an analog and a digital signal.7-4 What are the principal technologies and standards for wireless networking, communications, and Internet access?Define Bluetooth, Wi-Fi, WiMax, and 3G and 4G networks.Discussion Questions7-5 It has been said that within the next few years, smartphones will become the single most important digital device we own. Discuss the implications of this statement.Student answers to this question will vary.7-6 Should all major retailing and manufacturing companies switch to RFID? Why or why not?Student answers to this question will vary.7-7 Compare Wi-Fi and high-speed cellular systems for accessing the Internet. What are the advantages and disadvantages of each?Student answers to this question will vary.