单项选择题
A. antennas
B. bridges
C. access points
D. routers
单项选择题 ThefollowingCiscoCatalystSeriesswitchesfitintheaccessarea.WhichswitchesalsoutilizeStackWisetechnologytoaddresstheneedsofcompanieswithgrowingnetworksbyallowingthemtoconnectmultipleunits？（）
单项选择题 Howdoesnetworkintegrationhelpbusinesseskeeppacewithchangingnetworkdemands？（）
单项选择题 WhatdoesmostservicerequestscomingtoCiscoTACconcern？（）