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Oracle 1Z0-048 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Performance and Troubleshooting | - Diagnosing RAC interconnect and cache fusion issues - RAC performance tuning and monitoring |
| Administration and Maintenance | - Node management and cluster administration - Service management and workload balancing |
| Storage Management | - Shared storage configuration and best practices - Automatic Storage Management (ASM) in RAC |
| Oracle Real Application Clusters Architecture | - Clusterware components and architecture - RAC instance architecture and Cache Fusion |
| High Availability and Recovery | - Failover and recovery mechanisms in RAC - Backup and recovery strategies in clustered environments |
| Installation and Configuration | - Oracle Clusterware installation and setup - RAC database creation and configuration |
Oracle Database 10g R2: Administering RAC Sample Questions:
1. Which initialization parameter would you use for each RAC instance to make sure that each listener on each RAC node is aware of the load of all the others?
A) LOCALJJSTENER
B) PREFER LEAST LOADED NODE <listener-name>
C) REMOTE_DEPENDENCIES_MODE "
D) REMOTEJJSTENER
2. View the Exhibit, which displays the cluster database performance page after the same workload has been executed three times on your cluster without varying any non-Oracle workloads on the cluster. What are the two ways by which you can tell that the corresponding application was better tuned during the second and third execution? (Choose two.)
A) It takes less time to execute the workload each time.
B) The number of transactions per second is getting higher each time.
C) The run queue length is going down each time.
D) There is less paging each time.
E) The database throughput graphic is below the red dashed line during the last execution.
3. Which two statements regarding Oracle Clusterware are correct? (Choose two.)
A) The Oracle9i srvConfig.loc file still exists for backward compatibility in Oracle Database 10g.
B) The Oracle Database 10g CRS stack is compatible with Oracle 9i Group Services (GSD) processes.
C) The Oracle Database 10g version of the srvConfig.loc file is the ocr.loc file.
D) The installation of Oracle Clusterware is not necessary if you have already installed vendor-specific clusterware.
4. 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) Request extra information by adding the -v (verbose) command-line flag at the srvctl command line.
B) Request extra information by adding the -d (debug) command-line flag at the srvctl command line.
C) Set the SRVM_TRACE environment variable to TRUE before you execute the srvctl command.
D) Set the SRVM_DEBUG environment variable to TRUE before you execute the srvctl command.
E) Set the DEBUG environment variable to TRUE before you execute the srvctl command.
5. Which three statements regarding backup of the voting disk are true? (Choose three.)
A) On UNIX platforms, the voting disk can be backed up with the dd command.
B) A backup of the voting disk should be taken whenever an RMAN catalog reset is done.
C) Whenever a voting disk backup is made, the Clusterware software should be stopped on all nodes in the cluster.
D) A backup of the voting disk should be taken whenever an existing node is removed from the cluster.
E) A backup of the voting disk should be taken whenever a new node is added to the cluster.
Solutions:
| Question # 1 Answer: D | Question # 2 Answer: A,B | Question # 3 Answer: A,C | Question # 4 Answer: C | Question # 5 Answer: A,D,E |



