单项选择题
Network integration helps to build a powerful business foundation. Which approach does Ciscouse to integrate applications and services across the network infrastructure？（）
A. application-level B. systems-level C. policy-level D. advanced services
单项选择题 WhichCiscoCatalystswitchesfitintheaccessarea？（）
单项选择题 WhatwouldbeabletohandleIPtelephonyande-businessapplicationsconcurrently？（）
单项选择题 WhatistheprimarybenefitofCiscoSmartAssist？（）
