单项选择题
Where do you configure SCREEN options？（）
A.zones on which an attack might arrive B.zones you want to protect from attack C.interfaces on which an attack might arrive D.interfaces you want to protect from attack
单项选择题 AnattackersendsalowrateofTCPSYNsegmentstohosts，hopingthatatleastoneportreplies.Which typeofanattackdoesthisscenariodescribe？（）
多项选择题 Whatarethreemainphasesofanattack？（）
多项选择题 WhichtwostatementsabouttheuseofSCREENoptionsarecorrect？（）
