Purchase Oracle : 1Z0-048 Exam Materials and then pass exam easily
Updated: Sep 08, 2026
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Oracle 1Z0-048 Exam Overview:
| Certification Vendor: | Oracle |
|---|---|
| Exam Name: | Oracle Database 10g R2: Administering RAC |
| Exam Number: | 1Z0-048 |
| Exam Price: | $245 USD |
| Related Certifications: | Oracle Database 10g Administrator Certified Professional (OCP) Oracle Database 10g Administrator Certified Associate (OCA) |
| Exam Format: | Multiple Choice, Multiple Response |
| Exam Duration: | 120 minutes |
| Available Languages: | English |
| Recommended Training: | Oracle University Training |
| Exam Registration: | Oracle Certification Portal |
| Sample Questions: | Oracle 1Z0-048 Sample Questions |
| Exam Way: | Proctored exam (online or testing center depending on Oracle partner delivery at the time) |
| Pre Condition: | Recommended: Oracle Database 10g Administrator Certified Associate (OCA) or equivalent DBA experience |
| Official Syllabus URL: | https://education.oracle.com |
Oracle 1Z0-048 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Cluster and Database Administration | - Managing RAC instances - Backup and recovery in RAC - Services configuration and management |
| Oracle RAC Architecture | - Cache Fusion and interconnect communication - Shared storage concepts - Cluster fundamentals and components |
| Installation and Configuration | - Preparing RAC environment - Installing Oracle Clusterware - Installing RAC database software |
| High Availability Concepts | - RAC recovery scenarios - Failover mechanisms |
| Performance and Tuning | - Troubleshooting performance issues - Load balancing and failover - Monitoring RAC performance |
Oracle Database 10g R2: Administering RAC Sample Questions:
Question 1
Which two views can be used to identify SQL statements affected by interconnect latencies in your RAC environment? (Choose two.)
A. the VJSQLAREA view
B. the VJSQL CURSOR view
C. the V$SQL_PLAN view
D. the VJSQL view
E. the VJSQLTEXT view
Question 2
Which three tools can you use to patch your RAC database? (Choose three.)
A. emca
B. EM Database Control
C. emctl
D. Oracle Universal Installer
E. opatch
F. dbca
Question 3
You are working with Oracle Support to resolve an issue regarding the Oracle Clusterware software. The Oracle support engineer wants you to upload all relevant CRS log and trace files.
How would you provide al the requested log and trace files?
A. Use an operating system command to create an archive with all the log and trace files stored in the ORA_CRS_HOME/log directory and upload the files to Oracle Support.
B. Collect all required log and trace files using the diagcollection.plcommand and upload them to Oracle Support.
C. Use Grid Control to collect and send all required log and trace files to Oracle Supporl.
D. Upload each and every available log and trace files to Oracle Support.
Question 4
Your company has certain standard practices for technology and you are configuring ASM disk groups for your four-node RAC cluster. The company guidelines suggest that there is one disk group for the flash recovery area that is shared by all databases and a separate disk group for the database area of all databases. Which three exceptions exist that may require you to create additional disk groups? (Choose three.)
A. There are large nonpartitioned tables accessed frequently using indexes.
B. Some databases operate in ARCHIVELOGMODE and others in NOARCHIVELOGMODE.
C. Applications using the databases have different Service-Level Agreements for response time and throughput.
D. The retention policy for backups are different for different databases.
E. Some database instances are shut down every night while others are always running.
F. The disk farm has different disk models with different characteristics and ages.
G. There are partitioned tables where the older partitions are in read-only tablespaces and seldom accessed, but the more recent partitions are frequently accessed.
Question 5
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 want to use hardware mirroring.
B. You have two failure groups defined, so you want to use two-way mirroring.
C. You have three failure groups defined, so you want to use three-way mirroring.
D. You do not want to have any mirroring in the disk group.
Solutions:
| Question 1 Answer: A,D | Question 2 Answer: B,D,E | Question 3 Answer: B | Question 4 Answer: C,F,G | Question 5 Answer: B |
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