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시험 이름: Oracle database 10g:Administration ii
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시험 이름: Oracle Database 11g: New Features for 9i OCPs
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NO.1 You observe that a database performance has degraded over a period of time. While investigating the
reason, you find that the size of the database buffer cache is not large enough to cache all the needed
data blocks.
Which advisory component would you refer to, in order to determine that required size of the database
buffer cache?
A.Memory Advisor
B.Segment Advisor
C.SQL Tuning Advisor
D.SQL Access Advisor
E.Automatic Database Diagnostic Monitor (ADDM)
Answer: A
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NO.2 You work as a database administrator at certkiller.com. In your production database there is a job,
CALC_STAT, which has been scheduled to run every Friday at 5.00 p.m.CALC_STAT updates the
optimizer statistics for the objects owned by the APPS schema. You want the task to be generic, thereby
allowing users to modify the attributes of the task at run time without affecting the original task.
Which component of Oracle Scheduler must you define to achieve this?
A.Window
B.Program
C.Job class
D.Window group
Answer: B
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NO.3 Immediately after adding a new disk to or removing an existing disk from an Automatic Storage
Management (ASM) instance, you find that the performance of the database decreases initially, until the
addition or removal process is completed. Performance then gradually returns to normal levels.
Which two activities could you perform to maintain a consistent performance of the database while adding
or removing disks? (Choose two.)
A.increase the number of checkpoint processes
B.define the POWER option while adding or removing the disks
C.increase the number of DBWR processes by setting up a higher value for DB_WRITER_PROCESSES
D.increase the number of slave database writer processes by setting up a higher value for
DBWR_IO_SLAVES
E.increase the number of ASM Rebalance processes by setting up a higher value for
ASM_POWER_LIMIT during the disk addition or removal
Answer: BE
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NO.4 View the Exhibit.
You executed the following command to perform a backup of the USERS tablespace:
RMAN>BACKUP TABLESPACE USERS;
Which type of backup would this command perform?
Exhibit:
A.backup set
B.image copy
C.incremental backup
D.None; the user receives on error indicating that the backup must be specified.
Answer: A
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NO.5 View the Exhibit.
In your production database, the total waits and the time waited for log file parallel write are significantly
high. While investigating the reason, you find that there are three redo log groups with two members in
each group, and all redo log members are places on a single physical disk.
What action would you take to minimize the waits?
Exhibit:
A.start the log writer slave processes
B.increase the number of redo log files
C.increase the size of the redo log buffer
D.place the redo log files on the different disks
E.increase the number of log writer processes
Answer: D
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NO.6 Consider the following configuration:
/devices/D1 is a member of disk group dgroupA.
/devices/D2 is a member of disk group dgroupA.
/devices/D3 is a member of disk group dgroupA.
You plan to add a new disk,/devices/D4 to the disk group dgroupA.
You execute the following command:
SQL> ALTER DISKGROUP dgroupA ADD DISK '/devices/D*';
Which task would be accomplished by the command?
A.The command adds the new disk, D4, to the disk group.
B.The command would result in an error because the is no disk by the name "'/devices/D*'"
C.The command will be ignored because disks starting with "D" are already members of the disk group.
D.The command would result in an error because no wildcard characters can be used in the disk name.
E.The command first detaches all the member disks starting with "D", and the reattaches them including
the new disk.
Answer: A
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NO.7 You are performing a block media recovery on the tools01.dbf data file in the SALES database using
RMAN. Which two statements are correct in this scenario? (Choose two.)
A.You must ensure that the SALES database is mounted or open.
B.You must restore a backup control file to perform a block media recovery.
C.You must take the tools01.dbf data file offline before you start a block media recovery.
D.You must put the database in NOARCHIVELOG mode to perform a block media recovery.
E.You can perform only a complete media recovery of individual blocks, point-in-time recovery of
individual data blocks is not supported.
Answer: AE
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NO.8 One of the tablespaces is read-only in your database. The loss of all control files forced you to re-create
the control file.
Which operation do you need to perform after re-creating the control file and opening the database?
A.drop and re-create the read-only tablespaces
B.rename the read-only data files to their correct file names
C.change the tablespace status from read/write to read-only
D.re-create the read-only tablespace because it is automatically removed
Answer: B
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