首页 > 计算机类 > 等级考试 > 计算机四级 > 软件测试工程师 > 一个多用户的应用系统通常有用户管理功能,允许增加新的用户。用户信息一般包括用户名,假设规定用户名必须是以字母开头的、不超过8 个字符的字母数字串,那么,下面哪组值均属于用户名的无效等价类

一个多用户的应用系统通常有用户管理功能,允许增加新的用户。用户信息一般包括用户名,假设规定用户名必须是以字母开头的、不超过8 个字符的字母数字串,那么,下面哪组值均属于用户名的无效等价类

A.1i1111111 ,Glenford Myers ,1238123
B.Lin-Yie ,Lin-feng ,空值, linyifei
C.lin-yifei ,空值, Myers G,genford
D. lin-yifei, lin-fen, a111111, genford
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正确答案: A
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A.1i1111111 ,Glenford Myers ,1238123
B.Lin-Yie ,Lin-feng ,空值, linyifei
C.lin-yifei ,空值, Myers G,genford
D. lin-yifei, lin-fen, a111111, genford
A.1i1111111 ,Glenford Myers ,1238123
B.Lin-Yie ,Lin-feng ,空值, linyifei
C.lin-yifei ,空值, Myers G,genford
D. lin-yifei, lin-fen, a111111, genford
A.1i1111111 ,Glenford Myers ,1238123
B.Lin-Yie ,Lin-feng ,空值, linyifei
C.lin-yifei ,空值, Myers G,genford
D. lin-yifei, lin-fen, a111111, genford
A.1i1111111 ,Glenford Myers ,1238123
B.Lin-Yie ,Lin-feng ,空值, linyifei
C.lin-yifei ,空值, Myers G,genford
D. lin-yifei, lin-fen, a111111, genford
A.1i1111111 ,Glenford Myers ,1238123
B.Lin-Yie ,Lin-feng ,空值, linyifei
C.lin-yifei ,空值, Myers G,genford
D. lin-yifei, lin-fen, a111111, genford
A.1i1111111 ,Glenford Myers ,1238123
B.Lin-Yie ,Lin-feng ,空值, linyifei
C.lin-yifei ,空值, Myers G,genford
D. lin-yifei, lin-fen, a111111, genford
A.1i1111111 ,Glenford Myers ,1238123
B.Lin-Yie ,Lin-feng ,空值, linyifei
C.lin-yifei ,空值, Myers G,genford
D. lin-yifei, lin-fen, a111111, genford
A.1i1111111 ,Glenford Myers ,1238123
B.Lin-Yie ,Lin-feng ,空值, linyifei
C.lin-yifei ,空值, Myers G,genford
D. lin-yifei, lin-fen, a111111, genford
A.1i1111111 ,Glenford Myers ,1238123
B.Lin-Yie ,Lin-feng ,空值, linyifei
C.lin-yifei ,空值, Myers G,genford
D. lin-yifei, lin-fen, a111111, genford
A.1i1111111 ,Glenford Myers ,1238123
B.Lin-Yie ,Lin-feng ,空值, linyifei
C.lin-yifei ,空值, Myers G,genford
D. lin-yifei, lin-fen, a111111, genford
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