Chapter 4 to 6 Summary

Dns 125 the child domain of the root is the top level

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DNS 125. the child domain of the root is the Top level domain 126. In the domain name what are the root, top level, second level, and third level domains respectively? ".", com, blogging, myspace 127. Which organization helps define the overall structure of the internet IAB 128. IPv6 is being developed in order to Create more IP addresses 129. Which of the following services enables logging on to one computer system and working on another? FTP 130. Instant messaging is a type of _____ service Chat 131. T lines Are high speed leased data lines providing guaranteed service levels 132. The need in some cases for employees to have access to sexually explicit material on the Internet, such as medical researchers, suggests that companies need to base their Internet use policies on the needs of the organization and culture 133. ______ Integrates disparate channels for voice communications data communications instant messaging email and electronic conferencing into a single experience
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Unified communications 134. A VPN Is an encrypted private network configured within a public network 135. Web browser software requests web pages form the internet using which protocol HTTP 136. Together a protocol prefix a domain name a directory path and a document name are called a Uniform resource locator 137. The most common web server today controlling 46 percent of the market is Apache HTTP server 138. What technology allows people to have content pulled from the web sites and fed automatically to their computers RSS 139. The process of employing techniques to help a web site achieve a higher ranking with the major search engines is called SEO 140. Which of the following statements is not true about search engines? There are hundreds of search engines vying for user attention with no clear leader having yet emerged. 141. Which fo the following is the first generation of cellular systems suitable for wireless broadband internet access? 3G 142. CDMA transmits over several frequencies 143. The most appropriate wireless networking standard for creating PANs is I-mode 144. Bluetooth can be used to link up to _________ devices within a 10 meter area using low power radio based communications Eight 145. the wi-fi 802.11a standard can transmit up to 54 Mbps in the 5-GHz frequency range 146. one or more access points positioned on a ceiling wall or other strategic spot in public places to provide maximum wireless coverage for a specific area are referred to as hotspots 147. The IEEE standard for the WiMax is IEEE802.16 148. The WiMax standard can transmit up to a distance of apporiximately 30 miles 149. Passive RFID tags Have a range of several feet. 150. Based on your reading of the examples in the cahpter, what would the best use of RFID for a business? Logging tansactions
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