单项选择题
Which type of database file is spread across all disks in a disk group？（）
A. All types of files are spread across all disks in the disk group.
B. Datafiles
C. Redo log files
D. Archived redo log files
E. Control files
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相关考题
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单项选择题
On the development database rac0， there are six raw devices： /dev/raw/raw1 through /dev/raw/raw6. /dev/raw/raw1 and /dev/raw/raw2 are 8GB each， and the rest are 6GB each. An existing disk group +DATA1， of NORMAL REDUNDANCY， uses /dev/raw/raw1 and /dev/raw/raw2. Which series of the following commands will drop one of the failure groups for +DATA1， create a new disk group +DATA2 using two of the remaining four raw devices， and then cancel the drop operation from +DATA1？ （）
A.A
B.B
C.C
D.D -
单项选择题
Whichbackgroundprocesscoordinatestherebalanceactivityfordiskgroups？（）
A. ORBn
B. OSMB
C. RBAL
D. ASMn -
单项选择题
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
