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Oracle 1Z0-048 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Automatic Storage Management (ASM) for RAC | 15% | - Managing ASM instances and disk groups - Installing and configuring ASM |
| Oracle RAC Installation and Database Creation | 20% | - Installing Oracle RAC software - Preparing for RAC installation - Creating RAC databases with DBCA |
| Backup and Recovery in RAC Environment | 15% | - Configuring RMAN for RAC - Performing backup and recovery operations |
| Monitoring and Performance Tuning | 10% | - Monitoring RAC environment - Resolving common performance issues |
| RAC Database and Instance Administration | 20% | - Starting and stopping RAC components - Managing services and workloads - Using SRVCTL and Enterprise Manager |
| Oracle Clusterware Installation and Configuration | 20% | - Pre-installation tasks and requirements - Installing and configuring Clusterware - Managing Clusterware components |
Oracle Database 10g R2: Administering RAC Sample Questions:
Which two statements about the correct configuration of the flash recovery area in a RAC environment are true? (Choose two.)
- A. Set the flash recovery area size to no smaller than 20 GB.
- B. Set the DB_RECOVERY_FILE_DEST initialization parameter to the same value on all instances.
- C. Set the DB_RECOVERY_FILE_DEST_SIZE initialization parameter to the same value on all instances.
- D. The use of a common flash recovery area is not recommended on clusters containing more than four nodes.
Correct Answer: B,C 🗳️
Which statement regarding Clusterware is false? (Choose the false statement.)
- A. The Oracle Database 10g Clusterware stack is compatible with Oracle 9i Group Services (GSD) processes.
- B. Oracle Clusterware is installed using the Oracle Universal Installer (OUI).
- C. The ORA_CRS_HOME directory must not be the same as the ORACLEJHOME directory.
- D. The installation of Oracle Clusterware is mandatory even if you have installed vendor-specific clusterware.
Correct Answer: A 🗳️
Several steps must be followed to successfully add a new node to your cluster database. Assuming that a UNIX platform is used, which of the three steps below are correct? (Choose three.)
- A. Add instances using OUI.
- B. Add the node to the cluster using the addnode.sh script run from ORA_CRS_HOME.
- C. Reconfigure listeners for the new node with netca.
- D. Configure the OS and hardware for the new node.
- E. Add the RAC software to the new node using addnode.sh from ORA_CRS_HOM
Correct Answer: B,C,D 🗳️
You are preparing to create a RAC cluster. You review the RAC requirements for UNDO tablespaces. Which three are valid statements? (Choose three.
- A. You cannot assign a specific UNDO tablespace to a specific instance.
- B. ALTER DATABASE SET UNDO_TABLEPACE=undotbs3 SID='RDBD01'; is correct.
- C. ALTER SYSTEM SET UNDO_TABLESPACE=undotbs3 SID='RDBD01'; is correct.
- D. It is not necessary to assign a specific UNDO tablespace to a specific instance.
- E. If no UNDO tablespace is available when the instance starts, the instance stores undo records in the SYSTEM rollback segments.
Correct Answer: C,D,E 🗳️
Which two statements about parallel recovery in a RAC environment are true? (Choose two.)
- A. The use of the RECOVER Y_PARALLELISM initialization parameter is the only way to initiate parallel recovery.
- B. The RECOVER Y_PARALLELISM initialization parameter causes serial recovery if the value is greater than two.
- C. Parallel recovery is most effective at reducing recovery time while concurrently recovering several data files on several disks.
- D. The RECOVERY_PARALLELISM initialization parameter specifies the number of redo application server processes participating in instance or media recovery.
Correct Answer: C,D 🗳️
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