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Oracle Database 10g R2: Administering RAC Sample Questions:

1. 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.

2. You are considering issues involving backup and recovery of the voting disk. Select four correct statements. (Choose four.)

A) You can determine the voting disks currently used by CSS with the command crsctl query ess votedisk.
B) If you lose your voting disk and do not have a backup, you must reinstall Oracle Clusterware.
C) To back up the voting disk, use the command ocrconfig -export.
D) Backup can be performed online.
E) Use symbolic links to simplify recovery of the voting disk.

3. Which three statements about Snapshot Control File Management in a RAC environment are true? (Choose three.)

A) You need to configure a default path and file name for these snapshot control files that is valid on every node from which you might initiate an RMAN backup.
B) You can use a cluster file system or a raw device to store snapshot control files.
C) By default, the snapshot control file is created on the node that is making the backup.
D) RMAN parameters controlling snapshot control files can be configured from the Enterprise Manager Cluster Database home page.

4. Which two statements regarding Oracle Clusterware are correct? (Choose two.)

A) The installation of Oracle Clusterware is not necessary if you have already installed vendor-specific clusterware.
B) The Oracle Database 10g version of the srvConfig.loc file is the ocr.loc file.
C) The Oracle9i srvConfig.loc file still exists for backward compatibility in Oracle Database 10g.
D) The Oracle Database 10g CRS stack is compatible with Oracle 9i Group Services (GSD) processes.

5. Which optional parameter of the DESCRIPTION clause of a TNS entry can you use to randomize the access to available listeners?

A) SOURCE_ROUTE
B) TYPE OF SERVICE
C) FAILOVER
D) LOAD_BALANCE

Solutions: