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Oracle 1Z0-048 Exam Syllabus Topics:

Oracle Database 10g R2: Administering RAC Sample Questions:

1. Which two statements regarding the installation of the Oracle 10g Database software are true? (Choose two.)

A) The OUI does not support a RAC installation if the Standard Edition is chosen from the Installation Type page.
B) The Oracle Universal Installer (OUI) can detect the cluster hardware and allow the user to install the software on the local node or choose all nodes to install the software.
C) If the OUI does not display all of the available nodes in your cluster, check the viability of your cluster and its associated nodes by executing the chkcluster command from $ORA_CRS_HOME/bin directory.
D) The directory path for the Oracle 10g Database software must not be the same as the Oracle 10g Clusterware home directory.

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

3. View the Exhibit.
Users complain about the performance of an Oracle database-based application. You are requested to investigate. From Grid Control, you immediately infer that one of the cluster database instances is currently unavailable. You also notice that the host where the instance belongs was recently rebooted due to an unknown reason.
Using Grid Control, you restart the instance and performance rapidly improves. You want to determine the cause of the instance startup failure after the system reboot, and you check the resource profiles on both the database and ASM instances involved.
Why was the instance not started by CRS?

A) The instance could not be started by CRS because this instance depends on an ASM instance, which has its autostart attribute set to a value, thereby preventing CRS from starting this ASM instance after a system reboot.
B) The database instance's autostart attribute indicates that CRS should not restart it after system boot.
C) The instance was started by CRS after the system was rebooted, but someone stopped it from within SQL*Plus.
D) The instance was not started by CRS because its target state was set to "offline" before the system was rebooted.
E) The instance was started by CRS but due to multiple instance failures CRS disabled the database instance, thereby preventing further restarts.

4. You need to add a new service to your RAC database, called DBA, to account for all the work done by database administrator sessions performing routine maintenance, to make this visible in the v$service_stats view. The maintenance would be done at quieter times but restricted session is not an option due to round-the-clock access requirements. The database administration team may connect locally or remotely to the RAC database. You decide to use DBCAto create the new service. What must be true to allow client-server connection to the DBA service? (Choose two.)

A) All the listeners must be reloaded using LSNRCTL RELOAD to recognize the dynamically created service.
B) The ALTER SYSTEM REGISTER command must be used to induce PMON to register the service with the listeners.
C) The service must be started using the DBMS_SERVICE.START_SERVICE procedure.
D) The service must have at least one preferred or available instance that is running and accepting logins.
E) The TNSNAMES.ORAfile or a name server must contain the net service entries for the DBA service.
F) The services must be started using the SRVCTL START SERVICE command.

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

Solutions: