多项选择题
A.Media-rich e-learning
B.Video presentations from corporate leaders
C.Real-time financial system reports
D.Text-based enterprise e-mail distribution
多项选择题 There are many reasons why customers lack sufficient security measures on the network. Which two reasons for insufficient security are typical of the customers today?（）
多项选择题 What are the two primary advantages of content networking solutions? （）
单项选择题 Which cisco product family is the recommended platform for 10 gigabit ethernet in the data center?（）