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Oracle 1Z0-048 Actual Tests : Oracle Database 10g R2: Administering RAC
About Best Oracle 1Z0-048 Exam Practice Material
From a free demo to 365 days of updates and a 60-day money back guarantee, Actual4test covers every step of your 1Z0-048 preparation in 2026. 150 Oracle Database 10g R2: Administering RAC practice questions are ready the moment you are.
Oracle 1Z0-048 Exam Overview:
| Certification Vendor: | Oracle |
|---|---|
| Exam Name: | Oracle Database 10g R2: Administering RAC |
| Exam Number: | 1Z0-048 |
| Exam Format: | Multiple Response, Multiple Choice |
| Available Languages: | English |
| Exam Duration: | 120 minutes |
| Exam Price: | $245 USD |
| Related Certifications: | Oracle Database 10g Administrator Certified Associate (OCA) Oracle Database 10g Administrator Certified Professional (OCP) |
| 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 |
|---|---|
| Topic 1: Installation and Configuration | - Preparing RAC environment - Installing RAC database software - Installing Oracle Clusterware |
| Topic 2: High Availability Concepts | - Failover mechanisms - RAC recovery scenarios |
| Topic 3: Performance and Tuning | - Load balancing and failover - Troubleshooting performance issues - Monitoring RAC performance |
| Topic 4: Cluster and Database Administration | - Services configuration and management - Managing RAC instances - Backup and recovery in RAC |
| Topic 5: Oracle RAC Architecture | - Cluster fundamentals and components - Shared storage concepts - Cache Fusion and interconnect communication |
Everything You Want to Know About the Oracle 1Z0-048 Exam
The 1Z0-048 exam (Oracle Database 10g R2: Administering RAC) is the official Oracle exam that leads to the Oracle Database 10g Administrator Certified Professional (OCP) certification, a credential at the Professional level. Related certifications include Oracle Database 10g Administrator Certified Associate (OCA), Oracle Database 10g Administrator Certified Professional (OCP). Actual4test provides 150 practice questions to help you prepare for it with confidence.
Recommended: Oracle Database 10g Administrator Certified Associate (OCA) or equivalent DBA experience Requirements can change over time, so always double-check the latest eligibility rules before you register on the official Oracle exam page.
You can book your exam through the official registration channels:
The exam is delivered in the following way: Proctored exam (online or testing center depending on Oracle partner delivery at the time).
Oracle recommends the following training options for this exam:
Official courses build the foundation, and the 150 1Z0-048 practice questions from Actual4test help you turn that knowledge into exam-day performance.
Yes. Actual4test offers a free 1Z0-048 PDF demo so you can check the quality of the practice questions before purchasing. After you buy, your product comes with 365 days of free updates, and if it expires you can renew the update service at a 50% discount from your member zone.
Your purchase is protected by our 100% Money Back Guarantee. If you take the corresponding 1Z0-048 exam within 60 days of purchase and do not pass, send us a scan of your enrollment slip and the official Score Report PDF within two days of the exam, and the full refund will be processed within seven days. The candidate name must match the payer name; exams taken within three days of purchase, free materials, and expired orders are not eligible. If you would rather not refund, you can exchange your product for two free products of equal value and keep the update service on your original purchase. Delivery itself is instant: your material is available for download and is emailed to you within one minute of payment. If nothing arrives within two hours, contact our support team. There is no limit on how many computers you may install it on.
The 1Z0-048 syllabus is organized into 5 exam domains. Among the first three are Performance and Tuning, Cluster and Database Administration, Installation and Configuration. For the complete breakdown of topics and subtopics, see the Exam Topics section above.
Oracle Database 10g R2: Administering RAC Sample Questions:
Question 1
After a failed cluster database creation process, you realize that the contents of the OCR does not
match the current cluster configuration anymore. Before you started the database creation
process, you created a logical backup of the OCR, and now you want to use this logical backup to
bring the OCR contents in sync with the current cluster configuration.
Which commands would you use and in which order to accomplish this task?
1 OCRCONFIG -REPAIR (on the local cluster node only)
2 OCRCONFIG -REPAIR (on all cluster nodes)
3 OCRCONFIG -RESTORE <path name>
4 OCRCONFIG -IMPORT <path name>
5 CRSCTL STOP CRS (on the local cluster node only)
6 CRSCTL STOP CRS (on all cluster nodes)
7 OCRCONFIG -SHOWBACKUP
8 CRSCTL START CRS (on the local cluster node only)
9 CRSCTL START CRS (on all cluster nodes)
A. 7,6,3,9.
B. 6,4,9.
C. 6,3,9.
D. 7,6,3,2,9.
E. 5,3,8.
F. 5,4,8.
G. 7,6,4,9.
Question 2
For which two server metrics can you define thresholds for your services? (Choose two.)
A. SQL EXECUTE ELAPSED TIME
B. PHYSICAL_READ_PER_CALL
C. APPLICATION_WAIT_TIME
D. ELAPSED_TIME_PER_CALL
E. LOGICAL_READ_PER_CALL
F. CPU_TIME_PER_CALL
Question 3
View the Exhibit and examine an installation step of Oracle Enterprise Manager Grid Control 10gR2 to manage your RAC installation. You entered the host name but you are not sure about the port number. Thefollowing is the list of port numbers from the host ed-otraclin17b.us.oracle.com:
A. 5561
B. 1521
C. 4889
D. 3938
E. 1158
Question 4
View the Exhibit.
You are required to support your Oracle RAC configuration using ASM and RAID technology. You plan to discuss the storage configuration with the storage technology team. They have proposed a configuration as shown in the exhibit with a separate set of LUNs for the data disk group and the flash recovery area disk group and a 500 KB stripe size in line with other non-Oracle LUNs. The Data disk group has four250G LUNs and the FRA disk group has four500G LUNS, both of which are mirrored.
A. The LUNs are not aligned with ASM Allocation Units, which may lead to I/O bottlenecks.
B. I/O to the flash recovery area disk group for backups may cause performance issues when full table scans are occurring during batch workloads.
C. Retention policies that require backups to be kept for long time periods may cause wasted space due to large allocation units.
D. Index Range Scans would cause I/O to many different physical disks.
Question 5
You defined the HR service using the following command:
srvctl add service -d RACDB -s HR -r RAC02.RAC03 -a RAC01
After a while, you realize that there is a workload peak on the HR service, and you decide to temporarily start HR on the RAC04 instance.
Which command or series of commands would you use to start HR on RAC04?
A. srvctl remove service -d RACDB -s HR Srvctl add service -d RACDB -s Hr-r RAC02.RAC03.RAC04 -a RAC01 srvctl start service -d RACDB -s HR
B. srvctl modify service -d RACDB -s HR -i RAC02.RAC03.RAC04 -a RAC01
C. srvctl start service -d RACDB -s HR -i RAC04
D. srvctl remove service -d RACDB -s HR Srvctl add service -d RACDB -s Hr-r RAC02.RAC03.RAC04 -a RAC01
E. srvctl modify service -d RACDB -s HR -i RAC02.RAC03.RAC04 -a RAC01 srvctl stop service -d RACDB -s HR srvctl start service -d RACDB -s HR
Solutions:
| Question 1 Answer: B | Question 2 Answer: D,F | Question 3 Answer: B | Question 4 Answer: A,B,C | Question 5 Answer: E |
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