單項選擇題You are the network administrator for passguide.com. Which device will you install in your computer to make wireless connections you and a network?（）

A.Repeater
B.Wireless router
C.Hub
D.Wireless network adapter


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2.單項選擇題Telepresence and video conferencing have been an increasingly important component of the overall collaboration marker, which indicator is the best measure of the continued importance of these technologies going forward?（）

A.generation Y ,raised on video, comprises 17 percent of the world population
B.the annual growth rate of the video-conferencing market is 23 percent
C.the U.S internet traffic annual growth rate is more than 40 percent
D.thecisco long-term growth-rate target is 12 percent to 17 percent

4.單項選擇題What is the goal of the borderless network architecture?（）

A.to provide users with A single device that permits access to information anywhere
B.to provide users with the same productivity and access to information no matter where are or which device they use
C.to eliminate the need for border security and firewalls
D.to provide companies with A way to extend their security and control over employees on the internet

5.多項選擇題Which four are components of the Cisco collaboration Architecture strategy?（）

A.video
B.intercompany communications
C.covergence protocols
D.dedicated networking
E.clod computing
F.enterprise social networking
G.interoperability