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Oracle Database 10g R2: Administering RAC Sample Questions:

1. You are working with Oracle Support to investigate to what extent a disk subsystem corruption has affected your Oracle cluster configuration. The support engineer wants you to run the OCRCHECK command and read out the output. What is the effect of running the OCRCHECK command?

A) t checks whether there is enough disk space for the OCR.
B) t checks whether the OCR daemons are making regular backups of the OCR.
C) t checks whether the Oracle Cluster Registry daemons are running normally.
D) t checks whether all your cluster resources, such as databases, instances, listeners, and node applications, are registered within the OCR.
E) t performs an OCR integrity check.

2. You are asked by the DBA team leader to consolidate three different Oracle databases, which supported three separate workloads, into one large three-instance RAC database on a three-node cluster. You also need to create a separate service to represent each workload type and support client-side load balancing. The CRM service has two preferred instances, the HR service has two, and the ORDERS service
has only one. Any instance may be used as an vailable instance for any service that is not
specified as a preferred service for that same instance. You decide to create three separate
entries in TNSNAMES.ORA.
Choose three options describing the number of entries you would have in each address list.
(Choose three.)

A) two entries for the address list for the HR service for the listeners on the nodes containing the preferred instances for HR
B) two entries for the address list for the CRM service pointing to the listeners on the nodes containing the preferred instances for CRM
C) one entry for the address list for the ORDERS service for the listeners on the nodes containing the preferred instance for ORDERS
D) three entries in the address list for the ORDERS service pointing to the listeners on all three nodes
E) three entries in the address list for the CRM service for the listeners on all three nodes
F) three entries in the address list for the HR service for the listeners on all three nodes

3. Which CREATE SEQUENCE option is the most scalable?

A) NOCACHE ORDER
B) CACHE ORDER
C) CACHE NOORDER
D) NOCACHE NOORDER

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

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

5. You decide to implement a Dataguard configuration for your RAC installation to support your disaster recovery architecture. There are two instances on the primary and two on the physical standby. Which are the two appropriate settings for the DG_BROKER_CONFIG_FILE1 and DG_BROKER_CONFIG_FILE2 initialization parameters? (Choose two.)

A) DG_BROKER_CONFIG_FILE1 set to a location shared between each standby database instance and DG_BROKER_CONFIG_FILE2 set to a different location shared between each standby database instance on the standby database cluster.
B) DG_BROKER_CONFIG_FILE2 set to the same shared location for the second instance of both the primary and the standby databases.
C) DG_BROKER_CONFIG_FILE1 set to the same shared location shared between the first instance of both the primary and the standby databases.
D) DG_BROKER_CONFIG_FILE1 set to a nonshared location for each secondary database instance and DG_BROKER_CONFIG_FILE2 set to a shared location for each secondary database instance on the secondary database cluster.
E) DG_BROKER_CONFIG_FILE1 set to a nonshared location for each primary database instance and DG_BROKER_CONFIG_FILE2 set to a shared location for each primary database instance on the primary database cluster.
F) DG_BROKER_CONFIG_FILE1 set to a location shared between each primary database instance and DG_BROKER_CONFIG_FILE2 set to a different location shared between each primary database instance on the primary database cluster.

Solutions: