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Oracle Database 10g R2: Administering RAC Sample Questions:

1. 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 45-minute period exceeds
0.75 seconds
D) when the average elapsed time per call for the ERP service over a 15-minute period exceeds
0.75 seconds three consecutive times

2. Which CREATE SEQUENCE option is the most scalable?

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

3. Which two statements regarding the installation of the Oracle 10g Database software are true? (Choose two.)

A) The OUI does not support a RAC installation if the Standard Edition is chosen from the Installation Type page.
B) The Oracle Universal Installer (OUI) can detect the cluster hardware and allow the user to install the software on the local node or choose all nodes to install the software.
C) If the OUI does not display all of the available nodes in your cluster, check the viability of your cluster and its associated nodes by executing the chkcluster command from $ORA_CRS_HOME/bin directory.
D) The directory path for the Oracle 10g Database software must not be the same as the Oracle 10g Clusterware home directory.

4. Richard is a senior DBA and has prepared a plan for RAC implementation in his company. Given below are some of the tasks that he would perform as part of the plan: 1) Creating the Raw Devices Mapping file 2) Creating database services 3) Binding the partitions to raw devices 4) Creating the Voting Disk file 5) Creating an initialization parameter file 6) Creating the Oracle Cluster Registry (OCR) file 7) Creating the tnsnames.ora file 8) Creating the database control file
During the creation of the RAC database, Richard can use the Database Configuration Assistant (DBCA) to perform some of these steps but not all of them. Which steps should be completed before Richard starts creating the database by using DBCA?

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

5. Read the following statements about a file system:
1) It is compatible with Oracle 9i and Oracle 10g.
2) It is one of the solutions for managing Oracle binaries in a RAC environment.
3) It relies on storage hardware or host-based RAID functionality to support high availability.
4) It is a shared storage file system designed in such a way that you can avoid setting up of raw
partitions to store certain files.
Which file system corresponds to these features?

A) NFS
B) ext2
C) ASM
D) NTFS
E) OCFS2

Solutions: