单项选择题 To determine whether a particular file has a virus by only inspecting a few initial packets before receiving the entire file, which UTM feature do you enable?（）

单项选择题 The same Web site is visited for the second time using a branch SRX Series Services Gateway configured with SurfControl integrated Web filtering.Which statement is true?（）

单项选择题 What is the maximum number of layers of compression that kaspersky-lab-engine (full AV) can decompress for the HTTP protocol?（）