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单项选择题 You have configured the ASM instance for the PROD database of iPod Corporation. You have specified the following parameter values in the initialization parameter file：
DB_CREATE_FILE_DEST=’devices/grp1/P’
DB_CREATE_ONLINE_LOG_DEST_1=’devices/d_grp2/Q’
DB_CREATE_ONLINE_LOG_DEST_2=’devices/d_grp3/R’
BACKGROUND_DUMP_DEST=’devices/d_grp1/S’
You have added a new redo log group that contains two redo log members. Where are the redo log members stored？（）

A. Both the members will be stored in the ’devices/grp1/P’ directory.
B. Both the members will be stored in the ’devices/d_grp2/Q’ directory.
C. Both the members will be stored in the ’devices/d_grp3/R’ directory.
D. One member will be stored in the ’devices/d_grp2/Q’ directory and the other in the ’devices/d_grp3/R’ directory.

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1.单项选择题During tablespace creation， which filename format is NOT used for creating datafiles associated with a tablespace？（）

A. incomplete names
B. incomplete names with templates
C. alias with template names
D. numeric names

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2.单项选择题 You included the following Automatic Storage Management （ASM） initialization parameter settings in the ASM initialization parameter file：
INSTANCE_TYPE = ASM ASM_POWER_LIMIT = 11 LARGE_POOL_SIZE = 4M
ASM_DISKGROUPS = DG1， DG2 DB_UNIQUE_NAME = +ASM
You are unable to start the ASM instance. Which initialization parameter file setting（s） is not allowing the ASM instance to start？（）

A. only the INSTANCE_TYPE initialization parameter is set to an invalid value
B. only the ASM_POWER_LIMIT initialization parameter is set to an invalid value
C. only the LARGE_POOL_SIZE initialization parameter is set to an invalid value
D. both the LARGE_POOL_SIZE and INSTANCE_TYPE initialization parameters are set to invalid values

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3.单项选择题 You are performing backup and recovery operations by using RMAN. You are using a recovery catalog for the RMAN repository. You are planning to migrate to ASM disk storage to enable new disks to be added to the database without shutting down the database.
Which information is NOT required during the migration process？（）

A. Database Identifier （DBID）
B. names and location of datafiles
C. names and location of control files
D. names and location of online redo log files

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4.单项选择题You are the Database Administrator for WonderWeb， which has recently acquired a media company TXGlobal. You have been assigned the task to migrate all the database applications of TXGlobal to the database server of WonderWeb. To accommodate more database applications， you need to add disks to the existing disk group. Whenever you add or remove disks from the disk group， Automatic Storage Management （ASM） rebalancing distributes the data evenly across all the disks of the disk group. Which background process performs this actual rebalancing activity， resulting in the movement of data extents in the disk groups？（）

A. ASMB
B. ARBn
C. RBAL in the ASM instance
D. RBAL in the database instance

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5.单项选择题 Consider the following configuration：
/devices/diskP1 is a member of disk group grp1.
/devices/diskP2 is a member of disk group grp1.
/devices/diskP3 is a member of disk group grp1.
/devices/diskP4 is a candidate disk.
/devices/diskQ1 is a member of disk group grp2.
/devices/diskQ2 is a member of disk group grp2.
/devices/diskQ3 is a member of disk group grp2.
/devices/diskQ4 is a candidate disk.
Which command will add the disk /devices/diskP4 to the disk group， grp1？（）

A. ALTER DISKGROUP grp1 ADD DISK ’/devices/diskP1’， ADD DISK ’/devices/diskP4’；
B. ALTER DISKGROUP grp1 ADD DISK ’/devices/disk*4’；
C. ALTER DISKGROUP grp1 ADD DISK ’/devices/diskP*’；
D. ALTER DISKGROUP grp1 ADD DISK ’/devices/diskQ*’， ADD DISK ’/devices/diskP*’；

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6.单项选择题You are maintaining the SALES database on Oracle 10g. You have added a new disk to a disk group. Automatic Storage Management performs the rebalancing activity. You want to speed up the rebalancing activity. Which parameter will you specify to control the speed of the rebalancing activity？（）

A. ASM_POWER_LIMIT
B. ASM_DISKSTRING
C. ASM_DISKGROUPS
D. LARGE_POOL_SIZE

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7.单项选择题Which statement will NOT create a tablespace？（）

A. CREATE TABLESPACE DATA1 DATAFILE ’+grp1/abc（datafile）’；
B. CREATE TABLESPACE DATA1 DATAFILE ’+grp1’；
C. CREATE TABLESPACE DATA1 DATAFILE ’+data1（tempfile）’；
D. CREATE TABLESPACE DATA1 DATAFILE ’+grp1.256.34359’；

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8.单项选择题You are maintaining your database in Oracle10g. You set the value of the UNDO_RETENTION initialization parameter to zero in the initialization parameter file. What will be the impact of specifying this setting？（）

A. The database will not start.
B. The database will start but will not retain the undo data in the undo segment.
C. The database will start， and the undo segment will contain the undo data for at least one hour.
D. The database will start， and the undo segment will retain the undo data for at least 15 minutes.

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9.单项选择题You use the Memory Advisor to tune the memory structures of your database. What is the prerequisite to use the Memory Advisor？（）

A. The database must be in the ARCHIVELOG mode.
B. The automatic memory tuning must be enabled.
C. The change tracking feature must be enabled.
D. The automatic memory tuning must be disabled.

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10.单项选择题While running long running queries， you receive the Snapshot too old error. Which advisor can help you to avoid the Snapshot too old error？（）

A. Memory Advisor
B. Segment Advisor
C. Undo Advisor
D. SQL Tuning Advisor

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