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Oracle Database 10g R2: Administering RAC Sample Questions:

1. View the Exhibit and examine the diagram of the RAC environment implemented on a Linux platform in your company.
As a senior DBA, you have been assigned the task to implement ASM in this environment. You configured the raw devices that you plan to add to the ASM disk group.
How would you create an ASM instance on each node? (Choose all that apply.)

A) by using Oracle Universal Installer (OUI) on any one of the nodes
B) by using Database Configuration Assistant (DBCA) on any one of the nodes
C) by using DBCA on all nodes
D) by using the oracleasm configure command on both the nodes
E) by using the oracleasm configure command on any of the nodes
F) by using the ASMCMD command-line utility on both the nodes

2. You have attended a user group presentation on RAC and based on what you have learned you feel that your company would benefit from having the RAC option to meet its Oracle database requirements in several ways. Your manager does not know much about RAC and asks you to create a presentation to the team explaining RAC, and whether it should be implemented in your installation. Which three statements explain the benefits and implications of RAC? (Choose three.)

A) RAC would increase availability in the event of a network failure.
B) RAC would increase scalability for all application workloads in all cases.
C) RAC used in conjunction with parallel execution may provide speedup of DSS queries.
D) RAC alone would not help protect from human errors.
E) RAC used in conjunction with parallel execution may provide for speedup of OLTP workload processes.
F) RAC would increase availability in the event of node and instance failures.
G) RAC alone would increase availability when doing release upgrades.
H) RAC would increase availability in the event of data failures.

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

A) 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.
B) The OUI does not support a RAC installation if the Standard Edition is chosen from the Installation Type page.
C) The directory path for the Oracle 10g Database software must not be the same as the Oracle 10g Clusterware home directory.
D) 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.

4. What should you do when creating a disk group that would store your RAC database?

A) Make sure that all database instances are functional.
B) Make sure that the disk group is mounted by all ASM instances.
C) Make sure that all database instances are running in restricted mode.
D) Make sure that ASM targets are accessible from Database Control.

5. On a UNIX platform, which three processes are required to be running on all nodes before initiating a cluster database creation? (Choose three.)

A) crsd.bin
B) ocssd.bin
C) racgmon.bin
D) evmd.bin

Solutions: