单项选择题
A single transaction can be scanned in parallel by：（）
A. Sophos and McAfee B. Webroot and Sophos C. Webroot，Sophos and McAfee D. None of the above
单项选择题 InAsyncOS7.0forwebthechoiceofAuthenticationSurrogateis？（）
单项选择题 WhatfeatureontheWSAprovidesDayZeroRevocationofaccesstothirdpartysitessuchas Salesforce？（）
单项选择题 Ifawebsiteisblockedbecauseithasalowwebreputationscore，whichofthefollowingiscontainedintheun-customizedEnd-UserNotification？（）
