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Oracle Database 10g R2: Administering RAC Sample Questions:

1. You are working with Oracle Support to resolve an issue regarding the Oracle Clusterware software. The Oracle support engineer wants you to upload all relevant CRS log and trace files.
How would you provide al the requested log and trace files?

A) Use Grid Control to collect and send all required log and trace files to Oracle Supporl.
B) Collect all required log and trace files using the diagcollection.plcommand and upload them to Oracle Support.
C) Upload each and every available log and trace files to Oracle Support.
D) Use an operating system command to create an archive with all the log and trace files stored in the ORA_CRS_HOME/log directory and upload the files to Oracle Support.

2. Your storage administrator informs you about some disk corruption issues in the disk subsystem where your Oracle Cluster Registry (OCR) is located. Your storage administrator has resolved these corruption issues by applying a patch to the storage subsystem, but to be sure that the OCR is not affected by this problem the administrator wants you to check the integrity of the OCR. How would you do this?

A) You create a logical export from the OCR by using the OCRCONFIG command and analyze the export file for errors.
B) You can check whether the OCR is not corrupted by using the OCRCHECK command.
C) You create a physical backup of the OCR by using the OCRCONFIG command, and if this succeeds without errors you know that the OCR is not corrupted.
D) You dump the OCR contents into a text file by using the OCRDUMP command, and if that succeeds without errors you know that your OCR is not corrupted.
E) There is no easy way to check your OCR for corruptions.

3. After a disk failure caused by a power outage, your CRS is unable to start up completely because all your OCR files are lost. Which commands would you use and in which order to redress this
situation?
1 OCRCONFIG -REPAIR (on the local cluster node only)
2 OCRCONFIG -REPAIR (on all cluster nodes)
3 OCRCONFIG -RESTORE <path name>
4 OCRCONFIG -IMPORT <path name>
5 CRSCTL STOP CRS (on the local cluster node only)
6 CRSCTL STOP CRS (on all cluster nodes)
7 OCRCONFIG -SHOWBACKUP
8 CRSCTL START CRS (on the local cluster node only)
9 CRSCTL START CRS (on all cluster nodes)

A) 5,4,8.
B) 6,3,9.
C) 5,3,8.
D) 7,6,4,9.
E) 6,4,9.
F) 7,6,3,9.
G) 7,6,3,2,9.

4. You are considering issues involving backup and recovery of the voting disk. Select four correct statements. (Choose four.)

A) Use symbolic links to simplify recovery of the voting disk.
B) To back up the voting disk, use the command ocrconfig -export.
C) Backup can be performed online.
D) You can determine the voting disks currently used by CSS with the command crsctl query ess votedisk.
E) If you lose your voting disk and do not have a backup, you must reinstall Oracle Clusterware.

5. In which directory should you put your callout scripts on your RAC nodes?

A) JORACLE_HOME/racg/usrco/
B) $ORA_CRS_HOME/opmn/conf/
C) $ORA_CRS_HOME/racg/usrco/
D) $ORACLE_HOME/opmn/conf/

Solutions: