单项选择题
In PIX versions prior to 7.x， multi-channel protocols were fixedup using the ’fixupprotocol’ command. Inversion 7.0 and higher the ’fixup protocol’commands were replaced by what commands？（）
多项选择题 WhichtwoarecorrectfunctionsoftheCiscoAnomalyGuardandDetectorforpreventingDDOSattacks？（）
单项选择题 Birthdayattacksareusedagainstwhichofthefollowing？（）
单项选择题 Whichofthefollowingstatementsiscorrectregardingahybridcryptosystem？（）
