單項(xiàng)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

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單項(xiàng)選擇題

Which wireless technology would A customer choose to position them for bandwidth-intensive applications?（）

A. 802.11x
B. 802.11a
C. 802.11n
D. 802.11g

單項(xiàng)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