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Oracle 1Z0-048 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Storage Management | - Shared storage configuration and best practices - Automatic Storage Management (ASM) in RAC |
| High Availability and Recovery | - Backup and recovery strategies in clustered environments - Failover and recovery mechanisms in RAC |
| Performance and Troubleshooting | - Diagnosing RAC interconnect and cache fusion issues - RAC performance tuning and monitoring |
| Installation and Configuration | - Oracle Clusterware installation and setup - RAC database creation and configuration |
| Administration and Maintenance | - Node management and cluster administration - Service management and workload balancing |
| Oracle Real Application Clusters Architecture | - RAC instance architecture and Cache Fusion - Clusterware components and architecture |
Oracle Database 10g R2: Administering RAC Sample Questions:
Which optional parameter of the DESCRIPTION clause of a TNS entry can you use to make sure that another protocol address is tried if the first one fails?
- A. TYPE OF SERVICE
- B. SOURCE_ROUTE
- C. LOAD_BALANCE
- D. FAILOVER
Correct Answer: D 🗳️
Which statement is true?
- A. You must use RMAN to migrate your online redo log files to ASM storage.
- B. You must use RMAN to migrate yourtempfiles to ASM storage.
- C. You can migrate your entire database to ASM storage without shutting down your database.
- D. You must use RMAN to migrate your data files to ASM storage.
- E. You must use RMAN to migrate your change-tracking file to ASM storage.
- F. You must use RMAN to migrate your flashback log files to ASM storage.
Correct Answer: D 🗳️
When do you get the first notification after you execute the following command on instance
RDBA1?
execDBMS_SERVER_ALERT.SET_THRESHOLD(-
METRICSJD => dbms_server_alert.elapsed_time_per_call,
WARNINGJDPERATOR => dbms_server_alert.operator_ge,
WARNING_VALUE => 500000',
CRITICAL_OPERATOR => dbms_server_alert.operator_ge,
CRITICAL_VALUE => 750000',
OBSERVATION_PERIOD => 15,
CONSECUTIVEJDCCURRENCES => 3,
INSTANCE_NAME => 'RDBA1',
OBJECT_TYPE => dbms_server_alert.object_type_service,
OBJECT_NAME =>'ERP");
- A. when the average elapsed time per call for the ERP service over a 15-minute period exceeds
0.5 seconds three consecutive times - B. when the average elapsed time per call for the ERP service over a 45-minute period exceeds
0.5 seconds - C. when the average elapsed time per call for the ERP service over a 15-minute period exceeds
0.75 seconds three consecutive times - D. when the average elapsed time per call for the ERP service over a 45-minute period exceeds
0.75 seconds
Correct Answer: A 🗳️
You are creating a database in your RAC implementation. You are using the DBCA to create the database, and you selected the Raw Devices Mapping file on one of the screens of the DBCA. What is the reason for selecting this file?
- A. You want the DBCA to bind the partitions to raw devices.
- B. You want to set the appropriate raw partition for each database file.
- C. You want to provide the DBCA with a list of all the storage devices that are currently bound to a raw interface.
- D. You want to configure an ASM diskgroup containing raw devices.
Correct Answer: B 🗳️
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. Request extra information by adding the -v (verbose) command-line flag at the DBCA command line.
- B. Request extra information by adding the -d (debug) command line flag at the DBCA command line.
- C. Set the SRVM_DEBUG 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_TRACE environment variable to TRUE before you execute the DBCA command.
- F. Set the DEBUG environment variable to TRUE before you execute the DBCA command.
Correct Answer: D 🗳️
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