单项选择题
Which background process of a database instance, using Automatic Storage Management (ASM), connects asa foreground process into the ASM instance?（）
A.ASMB
B.PMON
C.RBAL
D.SMON
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You want to back up your 100-GB database on a remote tape device. You are required to ensure that minimum network bandwidth is consumed while transferring the backups to the tape device. The current consumption of your CPU is approximately 40 percent. Which type of backup should you perform？（）
A. standard backup set
B. image copy
C. compressed backup
D. user-managed backup -
单项选择题
Which steps are mandatory to enable Direct NFS？（） 1. Mount all required file systems using the kernel NFS driver. 2. Create an oranfstab file containing the attributes for each NFS server to be accessed using Direct NFS. 3. Replace the ODM library libodm11.so_stub with libodm11.so.
A. 2 and 3
B. 1 and 3
C. 1 and 2
D. 1，2 and 3 -
单项选择题
You perform a backup using the following BACKUP command: RMAN> BACKUP AS COMPRESSED BACKUPSET DATABASE; Which statement is true of this command?（）
A. A different procedure is required to restore a database from compressed backups
B. The AS COMPRESSED clause of the BACKUP command provided by RMAN is used to create compressed backup sets and image copies.
C. Using this command to create backups minimizes the bandwidth consumed
D. Using this command to create backups improves the performance of the backup process
