阿摩線上測驗
32.For information _________, users should change their passwords at least once every three months.
(A)leakage
(B)security
(C)flow
(D)processing
答案：登入後查看
統計： A(11), B(321), C(11), D(25), E(0) #2393265
統計： A(11), B(321), C(11), D(25), E(0) #2393265
