Oracle Database 10g R2: Administering RAC : 1Z0-048

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Oracle 1Z0-048 Exam Syllabus Topics:

Oracle Database 10g R2: Administering RAC Sample Questions:

1. You decide to implement a Dataguard configuration for your RAC installation to support your disaster recovery architecture. There are two instances on the primary and two on the physical standby. Which are the two appropriate settings for the DG_BROKER_CONFIG_FILE1 and DG_BROKER_CONFIG_FILE2 initialization parameters? (Choose two.)

A) DG_BROKER_CONFIG_FILE1 set to the same shared location shared between the first instance of both the primary and the standby databases.
B) DG_BROKER_CONFIG_FILE1 set to a location shared between each standby database instance and DG_BROKER_CONFIG_FILE2 set to a different location shared between each standby database instance on the standby database cluster.
C) DG_BROKER_CONFIG_FILE2 set to the same shared location for the second instance of both the primary and the standby databases.
D) DG_BROKER_CONFIG_FILE1 set to a location shared between each primary database instance and DG_BROKER_CONFIG_FILE2 set to a different location shared between each primary database instance on the primary database cluster.
E) DG_BROKER_CONFIG_FILE1 set to a nonshared location for each secondary database instance and DG_BROKER_CONFIG_FILE2 set to a shared location for each secondary database instance on the secondary database cluster.
F) DG_BROKER_CONFIG_FILE1 set to a nonshared location for each primary database instance and DG_BROKER_CONFIG_FILE2 set to a shared location for each primary database instance on the primary database cluster.

2. You are implementing a three-node RAC setup in your company. You have already performed these tasks:
1) Hardware and OS configuration 2) Cluster file system installation 3) Clusterware installation You executed the following command in one of the nodes: cluvfy stage -pre dbinst -n all
What is the reason for executing this command?

A) to check for node connectivity and Clusterware integrity
B) to check if the ORACLEJHOME environmental variable is set to a correct value or not before the database installation
C) to check for the existence of Oracle database software installation files in the /stage directory on all the nodes
D) to check whether the dbinst directory is available on all the nodes

3. 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
0.75 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
0.5 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

4. After a power failure, you noticed that one of your cluster database instances did not start automatically, whereas all other instances came up successfully. What would you do to determine the precise cause for the instance startup failure? (Choose three.)

A) Enable extra debugging in the Oracle Clusterware software by using the CRSCTL command.
B) Reboot the node where the failing instance resides to check if the problem is persistent.
C) Check if the Oracle Clusterware is functional by using the CRSCTL command.
D) Check the resource state by using the CRS_STAT command.
E) Check the alert.log file that belongs to the instance that did not start.
F) Check for OCR corruptions by using the OCRCHECK command.
G) Check the alert.log file that belongs to the Oracle Clusterware software.

5. Which two tools will prompt you for the possible creation of ASM instances in a RAC environment? (Choose two.)

A) DBCA
B) VIPCA
C) ASMCMD
D) SRVCTL
E) OUI

Solutions: