Exam Name: Oracle Database 10g R2: Administering RAC
Certification Provider: Oracle
Corresponding Certification: Other Oracle Certification
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Oracle 1Z0-048 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Monitoring and Performance Tuning | 10% | - Monitoring RAC environment - Resolving common performance issues |
| Backup and Recovery in RAC Environment | 15% | - Performing backup and recovery operations - Configuring RMAN for RAC |
| Oracle Clusterware Installation and Configuration | 20% | - Installing and configuring Clusterware - Managing Clusterware components - Pre-installation tasks and requirements |
| RAC Database and Instance Administration | 20% | - Managing services and workloads - Starting and stopping RAC components - Using SRVCTL and Enterprise Manager |
| Automatic Storage Management (ASM) for RAC | 15% | - Managing ASM instances and disk groups - Installing and configuring ASM |
| Oracle RAC Installation and Database Creation | 20% | - Preparing for RAC installation - Installing Oracle RAC software - Creating RAC databases with DBCA |
Oracle Database 10g R2: Administering RAC Sample Questions:
Which three statements regarding backup of the voting disk are true? (Choose three.)
- A. A backup of the voting disk should be taken whenever a new node is added to the cluster.
- B. Whenever a voting disk backup is made, the Clusterware software should be stopped on all nodes in the cluster.
- C. On UNIX platforms, the voting disk can be backed up with the dd command.
- D. A backup of the voting disk should be taken whenever an RMAN catalog reset is done.
- E. A backup of the voting disk should be taken whenever an existing node is removed from the cluster.
Correct Answer: A,C,E 🗳️
While creating a new service inside your ORCL database, you encounter a problem during the execution of the srvctl add service command. Because you are unable to explain the reason for this failure, you decide to log a service request in Oracle Metalink. You want to make this service request as complete as possible. You want to create a trace file from your problematic srvctl command execution so that Oracle Support has all possible information to quickly identify and resolve your problem. How do you create a Java-based tool trace file?
- A. Set the SRVM_DEBUG environment variable to TRUE before you execute the srvctl command.
- B. Request extra information by adding the -d (debug) command-line flag at the srvctl command line.
- C. Request extra information by adding the -v (verbose) command-line flag at the srvctl command line.
- D. Set the DEBUG environment variable to TRUE before you execute the srvctl command.
- E. Set the SRVM_TRACE environment variable to TRUE before you execute the srvctl command.
Correct Answer: E 🗳️
You have attended a user group presentation on RAC and based on what you have learned you feel that your company would benefit from having the RAC option to meet its Oracle database requirements in several ways. Your manager does not know much about RAC and asks you to create a presentation to the team explaining RAC, and whether it should be implemented in your installation. Which three statements explain the benefits and implications of RAC? (Choose three.)
- A. RAC alone would not help protect from human errors.
- B. RAC would increase scalability for all application workloads in all cases.
- C. RAC alone would increase availability when doing release upgrades.
- D. RAC would increase availability in the event of node and instance failures.
- E. RAC used in conjunction with parallel execution may provide speedup of DSS queries.
- F. RAC used in conjunction with parallel execution may provide for speedup of OLTP workload processes.
- G. RAC would increase availability in the event of a network failure.
- H. RAC would increase availability in the event of data failures.
Correct Answer: A,D,E 🗳️
After the cluster database has been successfully created, several postinstallation tasks should be completed. Identify three of them. (Choose three.)
- A. Set up additional required user accounts.
- B. Back up the root.sh script.
- C. Initialize the cluster backup procedure.
- D. Create the ASM instance.
- E. Verify the Enterprise Manager/Oracle Cluster Registry configuration by running srvctl config database -d db_name.
Correct Answer: A,B,E 🗳️
In which directory should you put your callout scripts on your RAC nodes?
- A. $ORA_CRS_HOME/opmn/conf/
- B. $ORA_CRS_HOME/racg/usrco/
- C. $ORACLE_HOME/opmn/conf/
- D. JORACLE_HOME/racg/usrco/
Correct Answer: B 🗳️
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