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Oracle 1Z0-048 Exam Syllabus Topics:

Oracle Database 10g R2: Administering RAC Sample Questions:

1. View the Exhibit, which displays a portion of an ADDM report from a RAC database. Which three statements are true? (Choose three.)

A) A LOCK TABLE statement is causing excessive inter-instance messaging.
B) The SQL statement with the ID dqsu2hwys8rcf was executed 40000 times
C) The ADDM report output reveals a "hot block" condition.
D) The Findings Path section indicates that the Cluster wait class is consuming a significant proportion of the database time.

2. Which statement is true?

A) You must use RMAN to migrate yourtempfiles to ASM storage.
B) You must use RMAN to migrate your data files to ASM storage.
C) You must use RMAN to migrate your change-tracking file to ASM storage.
D) You must use RMAN to migrate your flashback log files to ASM storage.
E) You can migrate your entire database to ASM storage without shutting down your database.
F) You must use RMAN to migrate your online redo log files to ASM storage.

3. You are working with Oracle Support to investigate to what extent a disk subsystem corruption has affected your Oracle cluster configuration. The support engineer wants you to run the OCRCHECK command and read out the output. What is the effect of running the OCRCHECK command?

A) t checks whether the Oracle Cluster Registry daemons are running normally.
B) t checks whether there is enough disk space for the OCR.
C) t checks whether all your cluster resources, such as databases, instances, listeners, and node applications, are registered within the OCR.
D) t performs an OCR integrity check.
E) t checks whether the OCR daemons are making regular backups of the OCR.

4. The following query shows four MEMBER disks and three CANDIDATE disks.
SQL> select name, header_status, path from v$asm_disk;
NAME HEADER STATUS PATH
CANDIDATE /dev/rdsk/diska5
CANDIDATE /dev/rdsk/diska6
CANDIDATE /dev/rdsk/diska7
DISK01 MEMBER /dev/rdsk/diska1
DISK02 MEMBER /dev/rdsk/diska2
DISK03 MEMBER /dev/rdsk/diska3
DISK04 MEMBER /dev/rdsk/diska4
7 rows selected.
Using SQLPIus you want to add /dev/rdsk/diska5 and /dev/rdsk/diska6 to diskgroup DGROUP1
DGROUP1 is currently mounted.
Pick the statement that would fail to add diska5 and diska6.

A) ALTER DISKGROUP dgroupl ADD DISK
'/dev/rdsk/diska5' name disk05,
'/dev/rdsk/diska6' name disk06;
B) ALTER DISKGROUP dgroupl ADD DISK '/dev/rdsk/diska*';
C) ALTER DISKGROUP dgroupl ADD DISK
'/dev/rdsk/diska5',
'/dev/rdsk/diska6';
D) ALTER DISKGROUP dgroupl ADD DISK '/dev/rdsk/diska[56]';
E) ALTER DISKGROUP dgroupl ADD DISK '/dev/rdsk/disk*5', '/dev/rdsk/disk*6';

5. You and your colleague are working with Oracle Support on a database instance stability issue. The Oracle Support engineer wants you to issue a crsctl debug log crs ?crsctl debug log crs command to assist you in your troubleshooting assignment. Why does the Oracle Support engineer want you to do this?

A) to list which debugging options are enabled on the CRS daemon
B) to list what debugging options are available on the CRS daemon
C) to enable extra debugging on the CRS daemon the next time the CRS daemon is started
D) to enable extra debugging on the currently running CRS daemon
E) to enable extra debugging on the currently running and CRS daemons as well as those that will run in the future

Solutions: