多项选择题
What are two advantages that the Cisco 3900 Series Integrated Services Routers have over the rest of the integrated services routers？ （）
A. Telepresence-capable B. high-density service virtualization C. intelligent integration of security D. wireless services E. unified communications
多项选择题 Anintegrated，convergednetworkenablescustomerstoaccomplishwhichthreeactions？（）
单项选择题 Whathost-basedIPSsolutionprovidesthreat-protectioncapabilitiesforserveranddesktopcomputingsystems？（）
单项选择题 HowdoestheCiscoSecurityAgentproactivelystopbothknownandunknownattacks？（）
