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 | Objectives |
|---|---|
| Topic 1: Storage Management | - Shared storage configuration and best practices - Automatic Storage Management (ASM) in RAC |
| Topic 2: Performance and Troubleshooting | - RAC performance tuning and monitoring - Diagnosing RAC interconnect and cache fusion issues |
| Topic 3: Installation and Configuration | - RAC database creation and configuration - Oracle Clusterware installation and setup |
| Topic 4: High Availability and Recovery | - Failover and recovery mechanisms in RAC - Backup and recovery strategies in clustered environments |
| Topic 5: Administration and Maintenance | - Node management and cluster administration - Service management and workload balancing |
| Topic 6: Oracle Real Application Clusters Architecture | - Clusterware components and architecture - RAC instance architecture and Cache Fusion |
Oracle Database 10g R2: Administering RAC Sample Questions:
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 would increase availability in the event of a network failure.
- B. RAC would increase availability in the event of data failures.
- C. RAC alone would increase availability when doing release upgrades.
- D. RAC would increase scalability for all application workloads in all cases.
- E. RAC used in conjunction with parallel execution may provide for speedup of OLTP workload processes.
- F. RAC would increase availability in the event of node and instance failures.
- G. RAC alone would not help protect from human errors.
- H. RAC used in conjunction with parallel execution may provide speedup of DSS queries.
You decide to implement Fast Start Failover for your RAC Data Guard configuration to improve your high availability strategy. Which are the two valid locations for the DG Broker configuration files? (Choose two.)
- A. on the shared storage at the observer location
- B. on the local storage at the observer location
- C. on the shared storage at the standby location
- D. on the storage that is shared between the observer location and at least one of the instances that is part of the data guard configuration
- E. on the shared storage at the primary location
According to the Maximum Availability Architecture, which case is best?
- A. Run two identical sites with a primary RAC database on the first site, and RAC physical and logical standby databases on the second site.
- B. Run two identical sites with a primary RAC database on the first site, and only a RAC logical standby database on the second site.
- C. Run two identical sites with a primary RAC database on the first site, and only a RAC physical standby database on the second site.
- D. Run two identical sites with a primary RAC database on the first site, and non-RAC physical and logical standby databases on the second site.
The following are the steps that you have taken so far in a two-node RAC implementation:
1) Completed the preinstallation tasks
2) Performed Oracle Clusterware installation
View the Exhibit and examine the current status of a list of resources on each node.
Your next step is to install the Oracle Database 10g software on these nodes. Which statement is
true about running Oracle Universal Installer (OUI) and installing the software in this situation?
- A. You run OUI from any node and the installer would prompt you to run the crs_start command to start the resources that are offline.
- B. You run OUI from any node and the software would be installed on both the nodes successfully.
- C. You must run OUI from the first node ora....17a because running it from the second node ora....17b would result in an error.
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. The run queue length is going down each time.
- B. The number of transactions per second is getting higher each time.
- C. It takes less time to execute the workload each time.
- D. The database throughout graphic is below the red dashed line during the last execution.
- E. There is less paging each time
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