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Oracle 1Z0-048 Exam Syllabus Topics:

Oracle Database 10g R2: Administering RAC Sample Questions:

1. Which three statements regarding backup of the voting disk are true? (Choose three.)

A) Whenever a voting disk backup is made, the Clusterware software should be stopped on all nodes in the cluster.
B) A backup of the voting disk should be taken whenever an existing node is removed from the cluster.
C) A backup of the voting disk should be taken whenever a new node is added to the cluster.
D) A backup of the voting disk should be taken whenever an RMAN catalog reset is done.
E) On UNIX platforms, the voting disk can be backed up with the dd command.

2. After a power failure, you noticed that one of your cluster database instances did not start automatically, whereas all other instances came up successfully. What would you do to determine the precise cause for the instance startup failure? (Choose three.)

A) Check the resource state by using the CRS_STAT command.
B) Check for OCR corruptions by using the OCRCHECK command.
C) Enable extra debugging in the Oracle Clusterware software by using the CRSCTL command.
D) Check if the Oracle Clusterware is functional by using the CRSCTL command.
E) Check the alert.log file that belongs to the instance that did not start.
F) Check the alert.log file that belongs to the Oracle Clusterware software.
G) Reboot the node where the failing instance resides to check if the problem is persistent.

3. View the Exhibit, which displays the cluster database performance page after the same workload has been executed three times on your cluster without varying any non-Oracle workloads on the cluster. What are the two ways by which you can tell that the corresponding application was better tuned during the second and third execution? (Choose two.)

A) The number of transactions per second is getting higher each time.
B) The database throughout graphic is below the red dashed line during the last execution.
C) The run queue length is going down each time.
D) There is less paging each time
E) It takes less time to execute the workload each time.

4. Which three storage types are suitable as a flash recovery area for an Oracle 10g RAC database? (Choose three.)

A) Raw volume
B) ASM disk group
C) Shared NFS directory
D) Cluster file system
E) Local file system

5. View the Exhibit and examine a database software installation step in a RAC environment.
Which statement about the path is true?

A) You must specify the location of the OCR file.
B) You should specify a path under ORACLE_BASE where Oracle product is to be installed.
C) You must specify the location of Oracle inventory.
D) You should specify the same path that you specified for the ORACLE_BASE environment variable.
E) You must specify the same path where Oracle clusterware is installed.
F) You must specify the same path that you specified to install ASM.

Solutions: