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单选题
To reference existing ASM files, you need to use a fully qualified ASM filename. Your development database has a disk group named DG2A, the database name is DEV19, and the ASM file that you want to reference is a datafile for the USERS02 tablespace.  Which of the following is a valid ASM filename for this ASM file?()
A

 dev19/+DG2A/datafile/users02.701.2

B

 +DG2A/dev19/datafile/users02.701.2

C

 +DG2A/dev19/users02/datafile.701.2

D

 +DG2A·701.2

E

 +DG2A/datafile/dev19.users.02.701.2


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