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Oracle Database 10g R2: Administering RAC Sample Questions:

1. You are the administrator of a Linux-based Oracle cluster. To meet your company's disaster recovery requirements, you have to make backups of the OCR to a tape device. What are your options? (Choose all that apply.)

A) Use RMAN to back up the OCR from disk to tape.
B) Use the OCRCONFIG command to have CRSD write the OCR backup to tape for you.
C) Use your favorite tape backup command to back up the physical OCR backups from disk to tape.
D) Use the Linux DD command to write the OCR directly to tape.
E) Use your favorite tape backup command to back up the OCR from disk to tape.

2. Which two views can be used to identify SQL statements affected by interconnect latencies in your RAC environment? (Choose two.)

A) the V$SQL_PLAN view
B) the VJSQL view
C) the VJSQLTEXT view
D) the VJSQL CURSOR view
E) the VJSQLAREA view

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 45-minute period exceeds
0.75 seconds
B) when the average elapsed time per call for the ERP service over a 15-minute period exceeds
0.5 seconds three consecutive times
C) when the average elapsed time per call for the ERP service over a 45-minute period exceeds
0.5 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

4. On a UNIX platform, which three processes are required to be running on all nodes before initiating a cluster database creation? (Choose three.)

A) ocssd.bin
B) crsd.bin
C) racgmon.bin
D) evmd.bin

5. Your four-node RAC cluster is no longer coping with workloads for one of its databases at peak periods and you decide to add another node to the cluster. The current configuration has two RAC databases, each with four instances with only the second database using ASM as a clustered database file system. ASM is installed in a separate home. Which five steps must you take to add all the software components and processes to the new node before you run DBCAto add database and ASM instances on the new cluster nodes. Do not be concerned with the correct sequence for the steps. (Choose five.)

A) Run addnode.sh in the Clusterware home/oui/bin directory from each of the existing nodes once to define the new node to each existing node.
B) Run addNode.sh in the RDBMS home/oui/bin directory from one of the existing nodes.
C) Run netca from the new node to add a listener to the new node.
D) Run cluvfy stage -pre crsinst <list of all nodes> from one of the existing nodes to verify the cluster configuration.
E) Run addnode.sh in the Clusterware home/oui/bin directory from one of the existing nodes to define the new node to all existing nodes.
F) Run addNode.sh in the ASM home/oui/bin directory from one of the existing nodes.
G) Run racgons add_config from one of the existing nodes to add the ONS metadata to the OCR.

Solutions: