单项选择题
Prior to applying SCREEN options to drop traffic， you want to determine how your configuration will affect traffic. Which mechanism would you configure to achieve this objective？（）
A.the log option for the particular SCREEN option B.the permit option for the particular SCREEN option C.the SCREEN option， because it does not drop traffic by default D.the alarm-without-drop option for the particular SCREEN option
单项选择题 WheredoyouconfigureSCREENoptions？（）
单项选择题 AnattackersendsalowrateofTCPSYNsegmentstohosts，hopingthatatleastoneportreplies.Which typeofanattackdoesthisscenariodescribe？（）
多项选择题 Whatarethreemainphasesofanattack？（）
