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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) It takes less time to execute the workload each time.
C) There is less paging each time.
D) The number of transactions per second is getting higher each time.
E) The database throughput graphic is below the red dashed line during the last execution.

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

3. Several steps must be followed to successfully add a node to your cluster database. Assuming that a UNIX platform is used, which of the steps listed below is not correct? (Choose the incorrect step.

A) Add the node to the cluster using the addnode.sh script run from ORA_CRS_HOME.
B) Add the RAC software to the new node using orainstRoot.sh from ORACLEJHOM
C) Add instances via DBC
D) Reconfigure listeners for the new node with netca.
E) Configure the OS and hardware for the new node.

4. 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 the same shared location shared between the first instance of both the primary and the standby databases.
B) 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.
C) 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.
D) DG_BROKER_CONFIG_FILE2 set to the same shared location for the second instance of both the primary and the standby databases.
E) 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.
F) 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.

5. Your company is about to switch from one Internet Service Provider (ISP) to another, and this change of ISP comes along with a whole new set of network addresses. Your job is to change the VIP addresses of your company's Oracle Cluster.
How would you apply this change?

A) Stop all VIP-dependent components on all cluster nodes, make the necessary changes in DNS, and then restart all VIP-dependent components.
B) Change the VIP addresses on the cluster using SRVCTL while the cluster is fully functional.
C) Stop all VIP-dependent cluster components on one node, make the necessary changes in DNS, change the VIP using SRVCTL, restart all VIP-dependent components, and then perform these steps on al the remaining nodes one at a time.
D) Change the VIP addresses in DNS and the cluster would pick up the new addresses automatically.
E) Reinstall the Oracle Clusterware layer of your cluster.

Solutions: