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Oracle 1Z0-048 Exam Syllabus Topics:

Oracle Database 10g R2: Administering RAC Sample Questions:

1. Which three statements about patching Oracle products in a clustered environment are true? (Choose three.)

A) The OUI automatically manages the patch installation progress, including the copying of files to remote nodes, just as it does with the CRS and database binary installations.
B) OUI manages patches in a clustered environment only if a shared ORACLEJHOME is employed.
C) OUI prevents potentially destructive concurrent patch installations through the use of Inventory List Locks.
D) The Oracle Universal Installer (OUI) is cluster-aware and able to manage patches on all nodes in your cluster.

2. You and your colleague are working with Oracle Support on a database instance stability issue. The Oracle Support engineer wants you to issue a crsctl debug log crs ?crsctl debug log crs command to assist you in your troubleshooting assignment. Why does the Oracle Support engineer want you to do this?

A) to enable extra debugging on the currently running CRS daemon
B) to enable extra debugging on the currently running and CRS daemons as well as those that will run in the future
C) to list which debugging options are enabled on the CRS daemon
D) to enable extra debugging on the CRS daemon the next time the CRS daemon is started
E) to list what debugging options are available on the CRS daemon

3. Which optional parameter of the DESCRIPTION clause of a TNS entry can you use to make sure that another protocol address is tried if the first one fails?

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

4. Which two statements are true regarding high availability in a RAC environment? (Choose two.)

A) When you have a serious crash of your primary site, it is your responsibility to initiate the failover to the standby site in case you are not using the Fast-Start Failover feature.
B) You can have multiple RAC instances apply standby redo log files to the standby database.
C) Each primary RAC instance must send its redo stream to the same standby RAC instance.
D) When you have a serious crash of your primary site, Data Guard Broker automatically initiates the failover to the standby site.
E) It is the Data Guard Broker's responsibility to communicate with CRS during a switchover operation to stop and start services according to each Data Guard site role.

5. You have a three-tier architecture for your application, which uses an Oracle RAC database and a middle tier that uses Oracle Application Server with Java programming, using JDBC as the standard. There are three RAC services defined, and four instances in the database are using ASM as the cluster file system. Connection pools are also used. Which three features of Fast Application Notification would be beneficial in your environment, and which choices for your application would you recommend? (Choose three.)

A) Load Balancing Advisory FAN events to control ASM I/O workload
B) the continuous availability of services due to FAN events
C) ODP.Net connection pool
D) JDBC Implicit Connection Cache
E) the App Server Up and Down FAN event notifications
F) Load Balancing Advisory FAN events to control workload per instance for each service

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