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Oracle 1Z0-048 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Installation and Configuration | - RAC database creation and configuration - Oracle Clusterware installation and setup |
| High Availability and Recovery | - Failover and recovery mechanisms in RAC - Backup and recovery strategies in clustered environments |
| Administration and Maintenance | - Service management and workload balancing - Node management and cluster administration |
| Oracle Real Application Clusters Architecture | - RAC instance architecture and Cache Fusion - Clusterware components and architecture |
| Performance and Troubleshooting | - Diagnosing RAC interconnect and cache fusion issues - RAC performance tuning and monitoring |
| Storage Management | - Shared storage configuration and best practices - Automatic Storage Management (ASM) in RAC |
Oracle Database 10g R2: Administering RAC Sample Questions:
What is the action of your client connection when it is using the following connect string? net_service_name= (DESCRIPTION (ADDRESS=(PROTOCOL=tcp)(HOST=sales1 -svr-vip)(PORT=1521)) (ADDRESS=(PROTOCOL=tcp)(HOST=sales2-svr-vip)(PORT=1521))) (CONNECT_DATA=(SERVICE_NAME=sales. us. acme, com)))
- A. It tries to connect you to the listener on SALES2-SRV-VIP if the listener on SALES1-SRV-VIP is down.
- B. It always connects you to the first protocol address.
- C. It always connects you to the least loaded node.
- D. It randomizes its connection on the available listeners.
Correct Answer: A 🗳️
Which three tools can you use to patch your RAC database? (Choose three.)
- A. opatch
- B. dbca
- C. EM Database Control
- D. emca
- E. Oracle Universal Installer
- F. emctl
Correct Answer: A,C,E 🗳️
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 version of the srvConfig.loc file is the ocr.loc file.
- C. The installation of Oracle Clusterware is not necessary if you have already installed vendor-specific clusterware.
- D. The Oracle Database 10g CRS stack is compatible with Oracle 9i Group Services (GSD) processes.
Correct Answer: A,B 🗳️
What should you do when creating a disk group that would store your RAC database?
- A. Make sure that all database instances are running in restricted mode.
- B. Make sure that all database instances are functional.
- C. Make sure that ASM targets are accessible from Database Control.
- D. Make sure that the disk group is mounted by all ASM instances.
Correct Answer: D 🗳️
Your company requires that certain database systems be made continuously available because there are revenue-earning applications using Oracle databases. You already use RAC; it is a requirement for the applications to have continuous read and write access to all schema objects in the database during routine DBA maintenance activities. Which three technologies would you recommend for minimizing planned downtime for the application caused by unavailability of data due to those activities? (Choose three.)
- A. Hardware-Assisted Resilient Data
- B. Bigfile Tablespaces
- C. Online Index Rebuild
- D. Online Table Redefinition
- E. Rolling Release Upgrades
- F. Fast Start Fault Recovery
Correct Answer: C,D,E 🗳️






