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Oracle Database 10g R2: Administering RAC Sample Questions:

1. You are running a two-instance database with six redo log groups defined and decide to add a third thread to support a third database instance on the third node of the cluster. Which three commands would you issue to achieve this using command line administration? (Choose three.)

A) ALTER SYSTEM ADD LOGFILE THREAD 3 GROUP 8;
B) ALTER SYSTEM ADD LOGFILE THREAD 3 GROUP 7;
C) ALTER DATABASE ENABLE THREAD 3;
D) ALTER DATABASE ADD LOGFILE THREAD 3 GROUP 7;
E) ALTER DATABASE ADD LOGFILE THREAD 3 GROUP 8;
F) ALTER SYSTEM ENABLE THREAD 3;

2. View the Exhibit and examine the diagram of the RAC environment implemented on a Linux platform in your company.
As a senior DBA, you have been assigned the task to implement ASM in this environment. You configured the raw devices that you plan to add to the ASM disk group.
How would you create an ASM instance on each node? (Choose all that apply.)

A) by using the oracleasm configure command on both the nodes
B) by using Database Configuration Assistant (DBCA) on any one of the nodes
C) by using the ASMCMD command-line utility on both the nodes
D) by using DBCA on all nodes
E) by using the oracleasm configure command on any of the nodes
F) by using Oracle Universal Installer (OUI) on any one of the nodes

3. Which two statements about parallel recovery in a RAC environment are true? (Choose two.)

A) The RECOVERY_PARALLELISM initialization parameter specifies the number of redo application server processes participating in instance or media recovery.
B) Parallel recovery is most effective at reducing recovery time while concurrently recovering several data files on several disks.
C) The use of the RECOVER Y_PARALLELISM initialization parameter is the only way to initiate parallel recovery.
D) The RECOVER Y_PARALLELISM initialization parameter causes serial recovery if the value is greater than two.

4. 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 what debugging options are available on the CRS daemon
B) to enable extra debugging on the currently running and CRS daemons as well as those that will run in the future
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 list which debugging options are enabled on the CRS daemon

5. On a UNIX platform, which three processes are required to be running on all nodes before initiating a cluster database creation? (Choose three.)

A) crsd.bin
B) ocssd.bin
C) racgmon.bin
D) evmd.bin

Solutions: