Exam Name: Oracle Database 10g R2: Administering RAC
Certification Provider: Oracle
Corresponding Certification: Other Oracle Certification
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Oracle 1Z0-048 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Performance and Troubleshooting | - RAC performance tuning and monitoring - Diagnosing RAC interconnect and cache fusion issues |
| Topic 2: Storage Management | - Shared storage configuration and best practices - Automatic Storage Management (ASM) in RAC |
| Topic 3: High Availability and Recovery | - Backup and recovery strategies in clustered environments - Failover and recovery mechanisms in RAC |
| Topic 4: Installation and Configuration | - Oracle Clusterware installation and setup - RAC database creation and configuration |
| Topic 5: Oracle Real Application Clusters Architecture | - RAC instance architecture and Cache Fusion - Clusterware components and architecture |
| Topic 6: Administration and Maintenance | - Node management and cluster administration - Service management and workload balancing |
Oracle Database 10g R2: Administering RAC Sample Questions:
Because of the increasing load on your Oracle Database 10g Release 2 cluster, your company has decided to add one extra node to your existing four-node cluster. To prevent errors during this process, you want to make use of the Cluster Verification Utility (CLUVFY) so that you can check if you meet all requirements before you execute each step in this node-adding process. From where can you run CLUVFY?
- A. from the Oracle Clusterware distribution media, any available RAC and/or CRS ORACLEJHOME on your cluster, and from the location where you downloaded it from in the Oracle Technology Network (OTN) Web site
- B. from the Oracle Clusterware distribution media, any ORACLEJHOME on the node from which you installed the first four nodes, and from the location where you downloaded it from in the Oracle Technology Network (OTN) Web site
- C. only from the Oracle Clusterware distribution media
- D. from both the Oracle Clusterware distribution media and the Oracle Clusterware ORACLEJHOME
- E. only from a non-Oracle Clusterware ORACLEJHOME
- F. only after downloading it from the Oracle Technology Network (OTN) Web site
- G. only from the Oracle Clusterware ORACLEJHOME
Which initialization parameter would you use for each RAC instance to make sure that each listener on each RAC node is aware of the load of all the others?
- A. PREFER LEAST LOADED NODE <listener-name>
- B. REMOTE_DEPENDENCIES_MODE "
- C. LOCALJJSTENER
- D. REMOTEJJSTENER
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. Remove the node from the clusterware.
- B. Stop and restart the clusterware on NLEDUC1.
- C. Check that the node has been removed from the database and ASM inventories.
- D. Check that the database and ASM instances are all terminated on NLEDUC2.
- E. Remove the listener from NLEDUC2.
- F. Stop and restart the nodeapps on NLEDUC1.
- G. Check that the ONS configuration has been updated on the remaining node.
- H. Check that the software has been removed from the database and ASM homes on NLEDUC2.
When an ASM instance initializes, ASM discovers and examines the contents of all the disks that are in the paths designated in the ASM_DISKSTRING initialization parameter. Under which four other circumstances does disk discovery take place? (Choose four.)
- A. when you query V$ASM_DISK
- B. when you query VJASMjDPERATION
- C. when you run ALTER DISKGROUP...RESIZE DISK
- D. when you query V$ASM_DISKGROUP
- E. when you run ALTER DISKGROUP...ADD DISK
To install Oracle Database 10g RAC on a UNIX platform, which four directories will you identify for use? (Choose four.)
- A. Oracle inventory directory
- B. NET_ADMIN directory
- C. Oracle base directory (ORACLE_BASE)
- D. group services directory (GSDJHOME)
- E. CRS home directory (ORA_CRS_HOME)
- F. Oracle home directory (ORACLE_HOME)
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