单项选择题
单项选择题 WhatisthenameoftheCiscoindustry－leadingsmallbusinessunifiedcommunicationssolution？（）
单项选择题 WhichCiscoSmallBusinessportfolioproductistargetedtocustomerswholeveragetechnologyasastrategicadvantageintheirbusiness？（）
单项选择题 Inorderforacontroller－basedaccesspointtobeallowedtoparticipateinaggressiveloadbalancing，itmusthaveheardtheclientwithinhowmanyseconds？（）