单项选择题
单项选择题 Whichisthemostaccuratestatementregardingthebusinessrequirementsdevelopmentservicecomponentinthepreparephase.Selectexactly1answer（s）fromthefollowing：（）。
单项选择题 Whatwouldyouusetoenforcesecurity－policycomplianceonalldevicesthatseektoaccessthenetwork？（）
单项选择题 WhichcompanionswitchisrecommendedtobeinstalledwithCiscoSmartBusinessCommunicationsSystem？（）