多选题Which two statements are true about the security-related tags in a valid Java EE deployment descriptor？（）AEvery tag must have at least one tag.BA tag can have many tags.CA given tag can apply to only one tag.DA given tag can contain from zero to many tags.EIt is possible to construct a valid tag such that，for a given resource，no user rolescan access that resource.
多选题
Which two statements are true about the security-related tags in a valid Java EE deployment descriptor？（）
A
Every
B
A
C
A given tag can apply to only one
D
A given
E
It is possible to construct a valid
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