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Oracle Database 10g R2: Administering RAC Sample Questions:

1. Which three statements regarding the management of Oracle Cluster Registry (OCR) on a UNIX platform are true? (Choose three.)

A) One CRS instance in the cluster automatically creates OCR backups every four hours, at the beginning of each day and of each week.
B) The OCR autobackups are automatically copied to every ORA_CRS_HOME on each node in the cluster.
C) You can customize the OCR backup frequencies and the number of retained copies.
D) The default target location of each automatically generated OCR backup file is the <CRS Home>/cdata/<cluster name> directory.
E) The location of the OCR autobackup can be changed to a shared file system with the ocrconfig -backuploc command.

2. Which two statements are true regarding high availability in a RAC environment? (Choose two.)

A) You can have multiple RAC instances apply standby redo log files to the standby database.
B) It is the Data Guard Broker's responsibility to communicate with CRS during a switchover operation to stop and start services according to each Data Guard site role.
C) Each primary RAC instance must send its redo stream to the same standby RAC instance.
D) When you have a serious crash of your primary site, Data Guard Broker automatically initiates the failover to the standby site.
E) When you have a serious crash of your primary site, it is your responsibility to initiate the failover to the standby site in case you are not using the Fast-Start Failover feature.

3. Which initialization parameter would you use for each RAC instance to make sure that each listener on each RAC node is aware of the load of all the others?

A) LOCALJJSTENER
B) REMOTEJJSTENER
C) REMOTE_DEPENDENCIES_MODE "
D) PREFER LEAST LOADED NODE <listener-name>

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. Which parameter file should you use to configure the Oracle notification server on your RAC nodes?

A) $ORA_CRS_HOME/opmn/conf/ons. config
B) $ORACLE_HOME/racg/usrco/ons.config
C) $ORACLE_HOME/opmn/conf/ons. config
D) $ORA_CRS_HOME/racg/usrco/ons. config

Solutions: