多项选择题
A.Monitoring online purchasing
B.Monitoring user access to storage files
C.Configuring changes to hardware and software
D.Monitoring and troubleshooting network devices
单项选择题 Is an open standard promotes interoperability among the wireless client adapters and dial-in servers from different vendors.（）
单项选择题 You are the network administrator for passguide.com. Which device will you install in your computer to make wireless connections you and a network?（）
多项选择题 What are the two primary advantages of content networking solutions? （）