WhichtwoaretheusesoftheASMmetadatabackupandrestore（AMBR）feature？（）A. It can be used to back up all data on ASM disks.B. It can be used to recover the damaged ASM disk group along with the data.C. It can be used to gather information about a preexisting ASM disk group with disk paths，disk name，failure groups，attributes templates，and alias directory structure.D. It can be used to re-create the ASM disk group with its attributes.

多项选择题

Which two are the uses of the ASM metadata backup and restore （AMBR） feature？（）

A. It can be used to back up all data on ASM disks.
B. It can be used to recover the damaged ASM disk group along with the data.
C. It can be used to gather information about a preexisting ASM disk group with disk paths，disk name，failure groups，attributes templates，and alias directory structure.
D. It can be used to re-create the ASM disk group with its attributes.

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