Oracle 1Z0-048

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

2. Which three statements about deleting instances from a RAC database on a UNIX platform are true? (Choose three.)

A) During a delete operation, the DBCA removes the instance and the instance Oracle Net configurationDuring a delete operation, the DBCA removes the instance and the instance? Oracle Net configuration.
B) To delete an instance, start the DBCA on the node that hosts the instance that you want to delete.
C) To delete an instance, start the DBCA on a node other than the node that hosts the instance that you want to delete.
D) The DBCA can be used to delete an instance from a RAC database.

3. James works as a senior DBA for a finance company. He plans to implement a test RAC
environment. As per his plan, a three-node RAC would be implemented on a Windows platform,
with the following points related to the storage of files:
1) A single Oracle home would be shared by all the nodes.
2) The data files will extend automatically because the autoextend feature will be enabled.
3) The Oracle binaries and all the database files would be stored in a single file system.
4) The hardware RAID is used to support high availability.
These are the some of the storage options available for RAC implementation:
Option 1:Use OCFS with ASM Option 2:Use ASM and not OCFS Option 3:Use OCFS and not ASM Option 4:Use neither OCFS, nor ASM
Which storage option would you suggest for this plan?

A) Option 2
B) Option 4
C) Option 3
D) Option 1
E) either Option 1 or Option 2
F) either Option 2 or Option 4

4. You are considering issues involving backup and recovery of the voting disk. Select four correct statements. (Choose four.)

A) To back up the voting disk, use the command ocrconfig -export.
B) If you lose your voting disk and do not have a backup, you must reinstall Oracle Clusterware.
C) Backup can be performed online.
D) Use symbolic links to simplify recovery of the voting disk.
E) You can determine the voting disks currently used by CSS with the command crsctl query ess votedisk.

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

Solutions: