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Oracle 1Z0-048 Exam Syllabus Topics:

Oracle Database 10g R2: Administering RAC Sample Questions:

1. Which three statements regarding backup of the voting disk are true? (Choose three.)

A) On UNIX platforms, the voting disk can be backed up with the dd command.
B) Whenever a voting disk backup is made, the Clusterware software should be stopped on all nodes in the cluster.
C) A backup of the voting disk should be taken whenever a new node is added to the cluster.
D) A backup of the voting disk should be taken whenever an existing node is removed from the cluster.
E) A backup of the voting disk should be taken whenever an RMAN catalog reset is done.

2. Several steps must be followed to successfully add a new node to your cluster database. Assuming that a UNIX platform is used, which of the three steps below are correct? (Choose three.)

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

3. You and your colleague are working with Oracle Support on a database instance stability issue. The Oracle Support engineer wants you to issue a crsctl debug log crs ?crsctl debug log crs command to assist you in your troubleshooting assignment. Why does the Oracle Support engineer want you to do this?

A) to list which debugging options are enabled on the CRS daemon
B) to enable extra debugging on the CRS daemon the next time the CRS daemon is started
C) to enable extra debugging on the currently running CRS daemon
D) to enable extra debugging on the currently running and CRS daemons as well as those that will run in the future
E) to list what debugging options are available on the CRS daemon

4. Which three statements are correct regarding ASM instances in a RAC environment? (Choose three.)

A) ASM instances can mount different sets of disk groups.
B) ASM instances can use different values for ASM_POWER_LIMIT.
C) ASM instances recognize their disks by looking at their headers.
D) ASM instances must all have the same value for ASM DISKGROUPS.
E) ASM instances must all have the same value for ASM_DISKSTRING.

5. You defined the HR service using the following command:
srvctl add service -d RACDB -s HR -r RAC02.RAC03 -a RAC01
After a while, you realize that there is a workload peak on the HR service, and you decide to temporarily start HR on the RAC04 instance.
Which command or series of commands would you use to start HR on RAC04?

A) srvctl modify service -d RACDB -s HR -i RAC02.RAC03.RAC04 -a RAC01 srvctl stop service -d RACDB -s HR srvctl start service -d RACDB -s HR
B) srvctl start service -d RACDB -s HR -i RAC04
C) srvctl modify service -d RACDB -s HR -i RAC02.RAC03.RAC04 -a RAC01
D) srvctl remove service -d RACDB -s HR Srvctl add service -d RACDB -s Hr-r RAC02.RAC03.RAC04 -a RAC01
E) srvctl remove service -d RACDB -s HR Srvctl add service -d RACDB -s Hr-r RAC02.RAC03.RAC04 -a RAC01 srvctl start service -d RACDB -s HR

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