YouhaveaveryfewCisco7920wirelessIPphonesonyournetwork，butlotsofwirelesslaptops.Youwanttoincreasethebandwidthavailableforthelaptopsbydecreasingthebandwidth reservedfortheCisco7920phones.Whatisthelowestpercentageofvoice-allocatedbandwidthyoucanselectontheWL
题目
YouhaveaveryfewCisco7920wirelessIPphonesonyournetwork，butlotsofwirelesslaptops.Youwanttoincreasethebandwidthavailableforthelaptopsbydecreasingthebandwidth reservedfortheCisco7920phones.Whatisthelowestpercentageofvoice-allocatedbandwidthyoucanselectontheWLANcontroller？（）
A.25percent
B.40percent
C.55percent
D.75percent
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参考答案和解析
参考答案：B