单项选择题
A.DLL injection
B.DDoS attack
C.DNS poisoning
D.ARP poisoning
单项选择题 Whichofthefollowingrequiresanupdatetothebaselineafterinstallingnewsoftwareonamachine？（）
单项选择题 WhichofthefollowingistheLEASTintrusivewayofcheckingtheenvironmentforknownsoftwareflaws？（）
单项选择题 Anadministratorwantstoproactivelycollectinformationonattackersandtheirattemptedmethodsofgainingaccesstotheinternalnetwork.Whichofthefollowingwouldallowtheadministratortodothis？（）