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Oracle 1Z0-048 Exam Syllabus Topics:

SectionObjectives
Administration and Maintenance- Service management and workload balancing
- Node management and cluster administration
Installation and Configuration- Oracle Clusterware installation and setup
- RAC database creation and configuration
Oracle Real Application Clusters Architecture- Clusterware components and architecture
- RAC instance architecture and Cache Fusion
High Availability and Recovery- Backup and recovery strategies in clustered environments
- Failover and recovery mechanisms in RAC
Storage Management- Shared storage configuration and best practices
- Automatic Storage Management (ASM) in RAC
Performance and Troubleshooting- Diagnosing RAC interconnect and cache fusion issues
- RAC performance tuning and monitoring

Oracle Database 10g R2: Administering RAC Sample Questions:

Question 1

To complete a cluster database creation, the DBA must choose the cluster database storage method. Which storage choice is not correct? (Choose the incorrect one.)

A. Cluster File System
B. Standard UNIX file system
C. Raw Devices
D. Automatic Storage Management (ASM)
E. Supported SAN/NAS storage


Question 2

Which statement is true?

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


Question 3

Which two views can be used to identify SQL statements affected by interconnect latencies in your RAC environment? (Choose two.)

A. the V$SQL_PLAN view
B. the VJSQL view
C. the VJSQLAREA view
D. the VJSQL CURSOR view
E. the VJSQLTEXT view


Question 4

Which three statements about deleting instances from a RAC database on a UNIX platform are true? (Choose three.)

A. To delete an instance, start the DBCA on the node that hosts the instance that you want to delete.
B. During a delete operation, the DBCA removes the instance and the instance Oracle Net configurationDuring a delete operation, the DBCA removes the instance and the instance? Oracle Net configuration.
C. The DBCA can be used to delete an instance from a RAC database.
D. To delete an instance, start the DBCA on a node other than the node that hosts the instance that you want to delete.


Question 5

You decide to change the redo thread of one of your database instances.
Now you have only two threads: thread 1 is currently being used by instance RAC01, and thread 2 is currently being used by instance RAC02.
In which three orders could you perform the following commands to add thread 3 to your
database, and ensure that instance RAC01 is using thread 3? (Choose three acceptable orders.
1 srvctl stop instance -d RACDB -i RAC01
2 ALTER DATABASE ENABLE THREAD 3;
3 ALTER DATABASE ADD LOGFILE THREAD 3 GROUP 6;
4 srvctl start instance -d RACDB -i RAC01
5 ALTER SYSTEM SETthread=3 SCOPE=SPFILE SID='RAC01';
6 ALTER DATABASE ADD LOGFILE THREAD 3 GROUP 5;

A. 2,6,3, 5,1
B. 6,3,2, 5,1
C. 6,3,5, 2,1
D. 2,5,1, 4,3
E. 3,6,5, 2,1
F. 2,5,1, 4,6


Solutions:

Question 1
Answer: B
Question 2
Answer: D
Question 3
Answer: B,C
Question 4
Answer: B,C,D
Question 5
Answer: B,C,E

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