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Oracle Database 10g R2: Administering RAC Sample Questions:

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

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

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

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

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

5. When do you get the first notification after you execute the following command on instance
RDBA1?
execDBMS_SERVER_ALERT.SET_THRESHOLD(-
METRICSJD => dbms_server_alert.elapsed_time_per_call,
WARNINGJDPERATOR => dbms_server_alert.operator_ge,
WARNING_VALUE => 500000',
CRITICAL_OPERATOR => dbms_server_alert.operator_ge,
CRITICAL_VALUE => 750000',
OBSERVATION_PERIOD => 15,
CONSECUTIVEJDCCURRENCES => 3,
INSTANCE_NAME => 'RDBA1',
OBJECT_TYPE => dbms_server_alert.object_type_service,
OBJECT_NAME =>'ERP");

A) when the average elapsed time per call for the ERP service over a 15-minute period exceeds
0.5 seconds three consecutive times
B) when the average elapsed time per call for the ERP service over a 45-minute period exceeds
0.5 seconds
C) when the average elapsed time per call for the ERP service over a 15-minute period exceeds
0.75 seconds three consecutive times
D) when the average elapsed time per call for the ERP service over a 45-minute period exceeds
0.75 seconds

Solutions: