单选题You want to perform a backup of your database to tape. Which backup format can you use？（）Abackup set onlyBimage copy onlyConly user-managed backupDboth image copy and backup setEonly incremental image copy backup
单选题
You want to perform a backup of your database to tape. Which backup format can you use？（）
A
backup set only
B
image copy only
C
only user-managed backup
D
both image copy and backup set
E
only incremental image copy backup
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