Oracle 1Z0-048 Q&A - in .pdf

  • Exam Code: 1Z0-048
  • Exam Name: Oracle Database 10g R2: Administering RAC
  • Updated: Aug 17, 2026
  • Q & A: 150 Questions and Answers
  • PDF Price: $59.99
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  • Exam Code: 1Z0-048
  • Exam Name: Oracle Database 10g R2: Administering RAC
  • Updated: Aug 17, 2026
  • Q & A: 150 Questions and Answers
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Oracle 1Z0-048 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Monitoring and Performance Tuning10%- Resolving common performance issues
- Monitoring RAC environment
Topic 2: Automatic Storage Management (ASM) for RAC15%- Installing and configuring ASM
- Managing ASM instances and disk groups
Topic 3: Oracle Clusterware Installation and Configuration20%- Installing and configuring Clusterware
- Pre-installation tasks and requirements
- Managing Clusterware components
Topic 4: Oracle RAC Installation and Database Creation20%- Creating RAC databases with DBCA
- Installing Oracle RAC software
- Preparing for RAC installation
Topic 5: Backup and Recovery in RAC Environment15%- Performing backup and recovery operations
- Configuring RMAN for RAC
Topic 6: RAC Database and Instance Administration20%- Starting and stopping RAC components
- Using SRVCTL and Enterprise Manager
- Managing services and workloads

Oracle Database 10g R2: Administering RAC Sample Questions:

1. You are working as a DBA in a RAC environment that is available for testing. The RAC environment has all the database files stored in the OCFS file system. You plan to install ASM and move all the database files to ASM to achieve better performance. During the installation, you selected redundancy level as normal for the disk group being added. What is the reason for selecting this redundancy level?

A) You have two failure groups defined, so you want to use two-way mirroring.
B) You have three failure groups defined, so you want to use three-way mirroring.
C) You want to use hardware mirroring.
D) You do not want to have any mirroring in the disk group.


2. You are creating a database in your RAC implementation. You are using the DBCA to create the database, and you selected the Raw Devices Mapping file on one of the screens of the DBCA. What is the reason for selecting this file?

A) You want to provide the DBCA with a list of all the storage devices that are currently bound to a raw interface.
B) You want the DBCA to bind the partitions to raw devices.
C) You want to set the appropriate raw partition for each database file.
D) You want to configure an ASM diskgroup containing raw devices.


3. Which two statements regarding the installation of the Oracle 10g Database software are true? (Choose two.)

A) The OUI does not support a RAC installation if the Standard Edition is chosen from the Installation Type page.
B) The directory path for the Oracle 10g Database software must not be the same as the Oracle 10g Clusterware home directory.
C) If the OUI does not display all of the available nodes in your cluster, check the viability of your cluster and its associated nodes by executing the chkcluster command from $ORA_CRS_HOME/bin directory.
D) The Oracle Universal Installer (OUI) can detect the cluster hardware and allow the user to install the software on the local node or choose all nodes to install the software.


4. 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) Fast Start Fault Recovery
B) Bigfile Tablespaces
C) Rolling Release Upgrades
D) Online Table Redefinition
E) Online Index Rebuild
F) Hardware-Assisted Resilient Data


5. To complete a cluster database creation, the DBA must choose the cluster database storage method. Which storage choice is not correct? (Choose the incorrect one.)

A) Automatic Storage Management (ASM)
B) Standard UNIX file system
C) Raw Devices
D) Cluster File System
E) Supported SAN/NAS storage


Solutions:

Question # 1
Answer: A
Question # 2
Answer: C
Question # 3
Answer: B,D
Question # 4
Answer: C,D,E
Question # 5
Answer: B

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