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Oracle Database 10g R2: Administering RAC Sample Questions:

1. The following are some of the tasks that are performed during a RAC implementation: 1) Setting the Oracle database-related environment variables 2) Creating a password file 3) Installing Management Service and Management Agent 4) Creating and editing the Raw Device Mapping file 5) Creating an ASM instance 6) Creating the Oracle Cluster Registry (OCR) file 7) Implementing the Transparent Application Failover (TAF) policy 8) Creating database services Identify the tasks that can be performed using the DBCA, or performed by the DBCA, during database creation in the RAC implementation.

A) All the tasks
B) 2,3,5,7,8
C) 1,3,4,6
D) 1,2,3,5,6,8
E) 2,3,4,6,7

2. After adding two new high-performance nodes to your existing eight-node Oracle Database cluster, you decide to remove the two oldest nodes from your cluster. You start by removing the instances from the nodes you are about to remove by using the Database Configuration Assistant (DBCA). During the execution, a problem arises and the DBCA terminates with a fatal exception. Before you contact Oracle Support, you want to create a Java-based tool trace file so that Oracle Support can assist you in resolving this issue as quickly as possible. How would you create this trace file?

A) Set the DEBUG environment variable to TRUE before you execute the DBCA command.
B) Request extra information by adding the -v (verbose) command-line flag at the DBCA command line.
C) Set the SRVM_TRACE environment variable to TRUE before you execute the DBCA command.
D) There is no need to do anything special because Java-based tool tracing is enabling by default for DBCA.
E) Set the SRVM_DEBUG environment variable to TRUE before you execute the DBCA command.
F) Request extra information by adding the -d (debug) command line flag at the DBCA command line.

3. You are migrating a single-instance Oracle database to RAC. The data files and Flash Recovery Area would be migrated to ASM using the RMAN commands BACKUP AS COPY DATABASE and BACKUP RECOVERY AREA, and stored in an ASM diskgroups called +DB_DG and +FR_DG. The DB_CREATE_FILE_DEST parameter would be set to +DB_DG and the DB_RECOVERY_FILE_DEST parameter would be set to +FR_DG.
What are the three best options for the location of your archivelogs so that they may be used properly for recovery without DBA intervention? (Choose three.)

A) ASM diskgroup +FR_DG as specified for the Flash Recovery Area provided that the ASM diskgroup is mounted on all ASM instances.
B) Cluster File System with each instance writing to a shared location.
C) Cluster File System with each instance writing to a separate location as long as they are in directories under the same mount point.
D) ASM diskgroup +DB_DG as specified for the Database Area provided that the ASM diskgroup is mounted on all ASM instances.
E) Local File System with each instance writing to a local location provided that NFS read mount points are created to all other nodes with instances of the database.
F) Local File System with each instance writing to a local location provided that the path names are identical on all nodes.

4. Which statement regarding Clusterware is false? (Choose the false statement.)

A) The installation of Oracle Clusterware is mandatory even if you have installed vendor-specific clusterware.
B) Oracle Clusterware is installed using the Oracle Universal Installer (OUI).
C) The Oracle Database 10g Clusterware stack is compatible with Oracle 9i Group Services (GSD) processes.
D) The ORA_CRS_HOME directory must not be the same as the ORACLEJHOME directory.

5. 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 list what debugging options are available on the CRS daemon
E) to enable extra debugging on the CRS daemon the next time the CRS daemon is started

Solutions: