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Oracle 1Z0-048 Exam Syllabus Topics:

Oracle Database 10g R2: Administering RAC Sample Questions:

1. View the Exhibit.
Users complain about the performance of an Oracle database-based application. You are requested to investigate. From Grid Control, you immediately infer that one of the cluster database instances is currently unavailable. You also notice that the host where the instance belongs was recently rebooted due to an unknown reason.
Using Grid Control, you restart the instance and performance rapidly improves. You want to determine the cause of the instance startup failure after the system reboot, and you check the resource profiles on both the database and ASM instances involved.
Why was the instance not started by CRS?

A) The database instance's autostart attribute indicates that CRS should not restart it after system boot.
B) The instance was started by CRS but due to multiple instance failures CRS disabled the database instance, thereby preventing further restarts.
C) The instance was not started by CRS because its target state was set to "offline" before the system was rebooted.
D) The instance was started by CRS after the system was rebooted, but someone stopped it from within SQL*Plus.
E) The instance could not be started by CRS because this instance depends on an ASM instance, which has its autostart attribute set to a value, thereby preventing CRS from starting this ASM instance after a system reboot.

2. Several steps must be followed to successfully add a node to your cluster database. Assuming that a UNIX platform is used, which of the steps listed below is not correct? (Choose the incorrect step.

A) Add instances via DBC
B) Reconfigure listeners for the new node with netca.
C) Configure the OS and hardware for the new node.
D) Add the node to the cluster using the addnode.sh script run from ORA_CRS_HOME.
E) Add the RAC software to the new node using orainstRoot.sh from ORACLEJHOM

3. Which three types of events can you trap using server-side callouts? (Choose three.)

A) Service cardinality low
B) Oracle instance up
C) Shadow application service up
D) EM Agent down
E) Listener down
F) Service member down
G) DB Console down

4. Which three statements are true regarding RAC instance startup and shutdown using SQL'Plus? (Choose three.)

A) To start or shut down your local instance, initiate a SQL*Plus session connected as SYSDBA or SYSOPER, and then issue the required command.
B) Using SQL*Plus to start and stop the RAC database instances is the preferred method because SQL*Plus is a Clusterware client.
C) It is not possible to start up or shut down more than one instance at a time in SOL*Plus. so you cannot start or stop all the instances for a cluster database with a single SQL*Plus command.
D) You can start multiple instances from a single SQL*Plus session on one node using Oracle Net Services connection strings.

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

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

Solutions: