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Oracle 1Z0-048 Exam Syllabus Topics:

Oracle Database 10g R2: Administering RAC Sample Questions:

1. You need to add a new service to your RAC database, called DBA, to account for all the work done by database administrator sessions performing routine maintenance, to make this visible in the v$service_stats view. The maintenance would be done at quieter times but restricted session is not an option due to round-the-clock access requirements. The database administration team may connect locally or remotely to the RAC database. You decide to use DBCAto create the new service. What must be true to allow client-server connection to the DBA service? (Choose two.)

A) The services must be started using the SRVCTL START SERVICE command.
B) The ALTER SYSTEM REGISTER command must be used to induce PMON to register the service with the listeners.
C) The service must have at least one preferred or available instance that is running and accepting logins.
D) All the listeners must be reloaded using LSNRCTL RELOAD to recognize the dynamically created service.
E) The service must be started using the DBMS_SERVICE.START_SERVICE procedure.
F) The TNSNAMES.ORAfile or a name server must contain the net service entries for the DBA service.

2. Which three statements regarding the management of Oracle Cluster Registry (OCR) on a UNIX platform are true? (Choose three.)

A) The location of the OCR autobackup can be changed to a shared file system with the ocrconfig -backuploc command.
B) The default target location of each automatically generated OCR backup file is the <CRS Home>/cdata/<cluster name> directory.
C) You can customize the OCR backup frequencies and the number of retained copies.
D) One CRS instance in the cluster automatically creates OCR backups every four hours, at the beginning of each day and of each week.
E) The OCR autobackups are automatically copied to every ORA_CRS_HOME on each node in the cluster.

3. While creating a new service inside your ORCL database, you encounter a problem during the execution of the srvctl add service command. Because you are unable to explain the reason for this failure, you decide to log a service request in Oracle Metalink. You want to make this service request as complete as possible. You want to create a trace file from your problematic srvctl command execution so that Oracle Support has all possible information to quickly identify and resolve your problem. How do you create a Java-based tool trace file?

A) Set the SRVM_TRACE environment variable to TRUE before you execute the srvctl command.
B) Request extra information by adding the -d (debug) command-line flag at the srvctl command line.
C) Set the SRVM_DEBUG environment variable to TRUE before you execute the srvctl command.
D) Set the DEBUG environment variable to TRUE before you execute the srvctl command.
E) Request extra information by adding the -v (verbose) command-line flag at the srvctl command line.

4. Your company asked you to implement RAC to enhance the scalability and availability of the database that you manage. Your coworker suggested that you use ASM as the only storage option. However, you implemented RAC with Automatic Storage Management (ASM) as well as OCFS as storage options. What are the reasons for implementing both OCFS and ASM as storage options? (Choose all that apply.)

A) You require OCFS to store archive log files because ASM does not support these files.
B) You do not want to use raw devices to store voting and OCR files.
C) You want to use the Oracle Managed Files (OMF) feature but that is not supported by ASM.
D) You want to avoid keeping Oracle binaries on local storage.
E) You do not want to store any file other than voting and OCR files in ASM.

5. Which CREATE SEQUENCE option is the most scalable?

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

Solutions: