多项选择题
A. reliability
B. scalability
C. redundancy
D. manageability
单项选择题 WhichstatementaboutIDS/IPSdesigniscorrect？（）
单项选择题 Whichdesigntopologyincursaperformancepenaltysincetherearetwoencryption-decryption cyclesbetweenanytworemotesites？（）
单项选择题 Asanexperiencedtechnician，youareresponsibleforTechnicalSupport.WhichofthefollowingdescriptionsiscorrectaboutthecharacteristicofSLBonearmmode？（）