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Oracle 1Z0-048 Exam Overview:
| Certification Vendor: | Oracle |
|---|---|
| Exam Name: | Oracle Database 10g R2: Administering RAC (Real Application Clusters) |
| Exam Number: | 1Z0-048 |
| Exam Format: | Multiple Choice, Multiple Response |
| Passing Score: | 66% |
| Certificate Validity Period: | Non-expiring (legacy Oracle certification policy for 10g-era exams) |
| Available Languages: | English |
| Real Exam Qty: | 64 |
| Exam Duration: | 120 minutes |
| Related Certifications: | Oracle Database 10g Administrator Certified Professional (OCP) Oracle Database 10g RAC Specialist |
| Exam Price: | USD 245 |
| Sample Questions: |  |
| Exam Way: | Proctored exam delivered at authorized test centers (Pearson VUE / Oracle Testing Centers) |
| Pre Condition: | Recommended: Oracle Database 10g Administrator Certified Professional (OCP) or equivalent Oracle DBA experience |
| Official Syllabus URL: | https://education.oracle.com/ |
Oracle 1Z0-048 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Oracle Real Application Clusters Architecture | - RAC instance architecture and Cache Fusion - Clusterware components and architecture |
| Administration and Maintenance | - Node management and cluster administration - Service management and workload balancing |
| Installation and Configuration | - Oracle Clusterware installation and setup - RAC database creation and configuration |
| High Availability and Recovery | - Backup and recovery strategies in clustered environments - Failover and recovery mechanisms in RAC |
| Performance and Troubleshooting | - Diagnosing RAC interconnect and cache fusion issues - RAC performance tuning and monitoring |
| Storage Management | - Automatic Storage Management (ASM) in RAC - Shared storage configuration and best practices |
Questions and Answers About Oracle Database 10g R2: Administering RAC
Oracle Database 10g R2: Administering RAC is an official Oracle exam, listed under exam code 1Z0-048. A passing result earns you the Other Oracle Certification certification at the Professional level. It also ties into Oracle Database 10g Administrator Certified Professional (OCP), Oracle Database 10g RAC Specialist, extending its value across your certification roadmap. Employers read this credential as verified competence, which is why it keeps appearing in job requirements.
Expect 64 questions inside 120 minutes on the Oracle Database 10g R2: Administering RAC exam. That pace punishes hesitation, so rehearse it: the ActualPDF software engine simulates the real exam scene, reminds you of the questions you got wrong, and pushes you to re-practice them until the clock stops being your enemy.
Passing Oracle Database 10g R2: Administering RAC requires 66%, and the official registration fee is USD 245. Retakes charge the full USD 245 again, which is why experienced candidates treat preparation as the cheaper exam fee. Verify your readiness with repeated ActualPDF practice scores above the requirement before you commit to a date.
Recommended: Oracle Database 10g Administrator Certified Professional (OCP) or equivalent Oracle DBA experience
Requirements evolve, so confirm the current conditions before registering on the official exam page.
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Your purchase is covered by a 100% money-back guarantee with clear conditions. Take the Oracle Database 10g R2: Administering RAC exam within 60 days of purchase; if you fail, provide your unqualified result by submitting a scanned enrollment slip and the official Score Report PDF within 2 days of the exam, and the full refund is processed within 7 days. The exam must match your product, candidate and payer names must match, and attempts within 3 days of purchase, unused downloads, free materials, and expired orders are not covered. Alternatively, exchange for two other exam products of equal value, free, or wait for updates while keeping your original product's update service.
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The Oracle Database 10g R2: Administering RAC syllabus spans 6 domains, led by Performance and Troubleshooting, High Availability and Recovery, and Oracle Real Application Clusters Architecture. The complete topic list is published above; candidates who study the map first rarely get lost later.
Oracle Database 10g R2: Administering RAC Sample Questions:
Oracle Cluster Registry (OCR) can be recovered on a UNIX platform using which two commands? (Choose two.)
- A. ocrconfig -import /u01/logical_ocr/yesterday.ocr where yesterday.ocr is an automatically generated OCR backup
- B. ocrconfig -restore /app/oracle/product/10.1.0/crs_1/cdata/dbclust01/day. ocr where day. ocr is an automatically generated OCR backup
- C. cp /app/oracle/product/10.1.0/crs_1/cdata/dbclust01/day. ocr/ocfs/OCR/crs. dbf where /ocfs/OCR/crs. dbf is the cluster registry file
- D. ocrconfig -import /u01/logical_ocr/yesterday.ocr_exp where yesterday. ocr_exp is a logical backup created using the ocrconfig -export command
Correct Answer: B,D 🗳️
You observe a high number of gc current failure on your RAC system. What could be causing this issue?
- A. Too much parsing is occurring on your system.
- B. You are not using the correct private interconnect.
- C. Too much manual locking is occurring.
- D. There is too much contention on the High Water Mark enqueue of your tables.
Correct Answer: B 🗳️
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
- B. 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
- C. 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
- D. srvctl modify service -d RACDB -s HR -i RAC02.RAC03.RAC04 -a RAC01
- E. srvctl start service -d RACDB -s HR -i RAC04
Correct Answer: C 🗳️
After the cluster database has been successfully created, several postinstallation tasks should be completed. Identify three of them. (Choose three.)
- A. Create the ASM instance.
- B. Initialize the cluster backup procedure.
- C. Back up the root.sh script.
- D. Verify the Enterprise Manager/Oracle Cluster Registry configuration by running srvctl config database -d db_name.
- E. Set up additional required user accounts.
Correct Answer: C,D,E 🗳️
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. Supported SAN/NAS storage
- D. Raw Devices
- E. Cluster File System
Correct Answer: B 🗳️
