Oracle 1Z0-048 Questions & Answers - in .pdf
- Total Q&A: 150
- Update: Aug 23, 2026
- Price: $59.99
- Vendor: Oracle
- Exam Code: 1Z0-048
- Exam Name: Oracle Database 10g R2: Administering RAC
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- Total Q&A: 150
- Update: Aug 23, 2026
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- Vendor: Oracle
- Exam Code: 1Z0-048
- Exam Name: Oracle Database 10g R2: Administering RAC
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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 |
| Related Certifications: | Oracle Database 10g Administrator Certified Professional (OCP) Oracle Database 10g RAC Specialist |
| Exam Price: | USD 245 |
| Passing Score: | 66% |
| Exam Format: | Multiple Choice, Multiple Response |
| Exam Duration: | 120 minutes |
| Available Languages: | English |
| Real Exam Qty: | 64 |
| Certificate Validity Period: | Non-expiring (legacy Oracle certification policy for 10g-era exams) |
| Sample Questions: | Oracle 1Z0-048 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 |
|---|---|
| Topic 1: Installation and Configuration | - RAC database creation and configuration - Oracle Clusterware installation and setup |
| Topic 2: Administration and Maintenance | - Service management and workload balancing - Node management and cluster administration |
| Topic 3: Oracle Real Application Clusters Architecture | - RAC instance architecture and Cache Fusion - Clusterware components and architecture |
| Topic 4: High Availability and Recovery | - Failover and recovery mechanisms in RAC - Backup and recovery strategies in clustered environments |
| Topic 5: Performance and Troubleshooting | - RAC performance tuning and monitoring - Diagnosing RAC interconnect and cache fusion issues |
| Topic 6: Storage Management | - Shared storage configuration and best practices - Automatic Storage Management (ASM) in RAC |
Oracle Database 10g R2: Administering RAC Sample Questions:
1. View the Exhibit.
You are asked to help a colleague to logically remove node NLEDUC2 from a RAC cluster
installation.
On observing the colleague's terminal, you notice the output as seen in the exhibit. Based on this,
which five additional steps would you recommend? Do not be concerned with the correct
sequence for the steps.
(Choose five.)
A) Check that the node has been removed from the database and ASM inventories.
B) Stop and restart the clusterware on NLEDUC1.
C) Check that the ONS configuration has been updated on the remaining node.
D) Remove the node from the clusterware.
E) Remove the listener from NLEDUC2.
F) Check that the software has been removed from the database and ASM homes on NLEDUC2.
G) Check that the database and ASM instances are all terminated on NLEDUC2.
H) Stop and restart the nodeapps on NLEDUC1.
2. Which two statements are true in any RAC environment? (Choose two.)
A) A publicly enabled thread can be used by any instance of your RAC database.
B) A RAC database must contain at least two threads of redo log files per instance.
C) A RAC database must contain at most one redo thread for each instance.
D) After your redo threads are defined, you cannot add new ones.
E) A redo thread must contain at least two groups of redo log files before it can be enabled.
3. Which three statements are correct regarding ASM instances in a RAC environment? (Choose three.)
A) ASM instances must all have the same value for ASM_DISKSTRING.
B) ASM instances recognize their disks by looking at their headers.
C) ASM instances can use different values for ASM_POWER_LIMIT.
D) ASM instances can mount different sets of disk groups.
E) ASM instances must all have the same value for ASM DISKGROUPS.
4. You are about to bring your Web server under control of the Oracle Clusterware to make it highly available. Which actions do you need to perform to accomplish this task? (Choose all that apply.
A) Write an action script that Oracle Clusterware would use to start, stop, and check the status of an application.
B) Have the system administrator create an application VIP at the operating system level for you to use with the application.
C) Once done, manage the Web server with SRVCTL
D) Create an application profile using crs_profile, register it with crs_register, set its permission with crs_setperm, and then start it with crs_start.
E) Create an application VIP profile using crs_profile, register it with crs_register, set its permission with crs_setperm, and then start it using crs_start.
5. 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 set the appropriate raw partition for each database file.
B) You want to provide the DBCA with a list of all the storage devices that are currently bound to a raw interface.
C) You want the DBCA to bind the partitions to raw devices.
D) You want to configure an ASM diskgroup containing raw devices.
Solutions:
| Question # 1 Answer: A,C,D,F,G | Question # 2 Answer: A,E | Question # 3 Answer: B,C,D | Question # 4 Answer: A,D,E | Question # 5 Answer: A |
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