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Oracle 1Z0-048 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Backup and Recovery in RAC Environment | 15% | - Performing backup and recovery operations - Configuring RMAN for RAC |
| Topic 2: Oracle Clusterware Installation and Configuration | 20% | - Managing Clusterware components - Pre-installation tasks and requirements - Installing and configuring Clusterware |
| Topic 3: RAC Database and Instance Administration | 20% | - Managing services and workloads - Starting and stopping RAC components - Using SRVCTL and Enterprise Manager |
| Topic 4: Oracle RAC Installation and Database Creation | 20% | - Preparing for RAC installation - Creating RAC databases with DBCA - Installing Oracle RAC software |
| Topic 5: Automatic Storage Management (ASM) for RAC | 15% | - Installing and configuring ASM - Managing ASM instances and disk groups |
| Topic 6: Monitoring and Performance Tuning | 10% | - Monitoring RAC environment - Resolving common performance issues |
Oracle Database 10g R2: Administering RAC Sample Questions:
Which optional parameter of the DESCRIPTION clause of a TNS entry can you use to randomize the access to available listeners?
- A. LOAD_BALANCE
- B. FAILOVER
- C. SOURCE_ROUTE
- D. TYPE OF SERVICE
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 the node to the cluster using the addnode.sh script run from ORA_CRS_HOME.
- B. Reconfigure listeners for the new node with netca.
- C. Add the RAC software to the new node using addnode.sh from ORA_CRS_HOM
- D. Add instances using OUI.
- E. Configure the OS and hardware for the new node.
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/
After adding two new high-performance nodes to your existing eight-node Oracle Database cluster, you decide to remove the two oldest nodes from your cluster. You start by removing the instances from the nodes you are about to remove by using the Database Configuration Assistant (DBCA). During the execution, a problem arises and the DBCA terminates with a fatal exception. Before you contact Oracle Support, you want to create a Java-based tool trace file so that Oracle Support can assist you in resolving this issue as quickly as possible. How would you create this trace file?
- A. There is no need to do anything special because Java-based tool tracing is enabling by default for DBCA.
- B. Set the SRVM_DEBUG environment variable to TRUE before you execute the DBCA command.
- C. Request extra information by adding the -v (verbose) command-line flag at the DBCA command line.
- D. Set the SRVM_TRACE environment variable to TRUE before you execute the DBCA command.
- E. Set the DEBUG environment variable to TRUE before you execute the DBCA command.
- F. Request extra information by adding the -d (debug) command line flag at the DBCA command line.
Read the following statements about a file system:
1) It is compatible with Oracle 9i and Oracle 10g.
2) It is one of the solutions for managing Oracle binaries in a RAC environment.
3) It relies on storage hardware or host-based RAID functionality to support high availability.
4) It is a shared storage file system designed in such a way that you can avoid setting up of raw
partitions to store certain files.
Which file system corresponds to these features?
- A. OCFS2
- B. ext2
- C. NTFS
- D. ASM
- E. NFS
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