Oracle 1Z0-048 : Oracle Database 10g R2: Administering RAC

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Oracle 1Z0-048 Exam Syllabus Topics:

Oracle Database 10g R2: Administering RAC Sample Questions:

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

2. Which three statements are true regarding RAC instance startup and shutdown using SQL'Plus? (Choose three.)

A) It is not possible to start up or shut down more than one instance at a time in SOL*Plus. so you cannot start or stop all the instances for a cluster database with a single SQL*Plus command.
B) You can start multiple instances from a single SQL*Plus session on one node using Oracle Net Services connection strings.
C) Using SQL*Plus to start and stop the RAC database instances is the preferred method because SQL*Plus is a Clusterware client.
D) To start or shut down your local instance, initiate a SQL*Plus session connected as SYSDBA or SYSOPER, and then issue the required command.

3. Which three statements about deleting instances from a RAC database on a UNIX platform are true? (Choose three.)

A) To delete an instance, start the DBCA on the node that hosts the instance that you want to delete.
B) The DBCA can be used to delete an instance from a RAC database.
C) To delete an instance, start the DBCA on a node other than the node that hosts the instance that you want to delete.
D) During a delete operation, the DBCA removes the instance and the instance Oracle Net configurationDuring a delete operation, the DBCA removes the instance and the instance? Oracle Net configuration.

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

5. Which three statements regarding the management of Oracle Cluster Registry (OCR) on a UNIX platform are true? (Choose three.)

A) The default target location of each automatically generated OCR backup file is the <CRS Home>/cdata/<cluster name> directory.
B) You can customize the OCR backup frequencies and the number of retained copies.
C) The location of the OCR autobackup can be changed to a shared file system with the ocrconfig -backuploc command.
D) One CRS instance in the cluster automatically creates OCR backups every four hours, at the beginning of each day and of each week.
E) The OCR autobackups are automatically copied to every ORA_CRS_HOME on each node in the cluster.

Solutions: