多项选择题
Which three options are network evaluation techniques？ （）
A.Performing end-user training on the use of antispyware software B.Performing virus scans C.Scanning a network for active IP addresses and open ports on those IP addresses D.Using password-cracking utilities
多项选择题 WhichclassesdoestheU.S.governmentplaceclassifieddatainto？（）
单项选择题 Whichisthemaindifferencebetweenhost-basedandnetwork-basedintrusionprevention？（）
单项选择题 Whichalgorithmwasthefirsttobefoundsuitableforbothdigitalsigningandencryption？（）
