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Oracle Database 10g R2: Administering RAC Sample Questions:

1. You are implementing a three-node RAC setup in your company. You have already performed these tasks:
1) Hardware and OS configuration 2) Cluster file system installation 3) Clusterware installation You executed the following command in one of the nodes: cluvfy stage -pre dbinst -n all
What is the reason for executing this command?

A) to check for the existence of Oracle database software installation files in the /stage directory on all the nodes
B) to check whether the dbinst directory is available on all the nodes
C) to check if the ORACLEJHOME environmental variable is set to a correct value or not before the database installation
D) to check for node connectivity and Clusterware integrity

2. After a failed cluster database creation process, you realize that the contents of the OCR does not
match the current cluster configuration anymore. Before you started the database creation
process, you created a logical backup of the OCR, and now you want to use this logical backup to
bring the OCR contents in sync with the current cluster configuration.
Which commands would you use and in which order to accomplish this task?
1 OCRCONFIG -REPAIR (on the local cluster node only)
2 OCRCONFIG -REPAIR (on all cluster nodes)
3 OCRCONFIG -RESTORE <path name>
4 OCRCONFIG -IMPORT <path name>
5 CRSCTL STOP CRS (on the local cluster node only)
6 CRSCTL STOP CRS (on all cluster nodes)
7 OCRCONFIG -SHOWBACKUP
8 CRSCTL START CRS (on the local cluster node only)
9 CRSCTL START CRS (on all cluster nodes)

A) 5,3,8.
B) 5,4,8.
C) 7,6,4,9.
D) 7,6,3,9.
E) 6,4,9.
F) 7,6,3,2,9.
G) 6,3,9.

3. You define the ERP service using this statement:
srvctl add service -d RACDB -s ERP -r RAC01 -P PRECONNECT srvctl start service -d RACDB -s
ERP
You then use this connect string to connect to your RAC instances:
ERP =
(DESCRIPTION =(FAILOVER=ON)(LOAD_BALANCE=ON)
(ADDRESS=(PROTOCOL=TCP)(HOST=N1 VIP)(PORT=1521))
(ADDRESS=(PROTOCOL=TCP)(HOST=N2VIP)(PORT=1521))
(CONNECTJDATA = (SERVICE_NAME = ERP)
(FAILOVER_MODE =
(BACKUP=ERP_PRECONNECT)(TYPE=SESSION)(METHOD=PRECONNECT))))
You successfully establish a connection to your RAC database using the above connect string.
How many connections are established, and on which instances?

A) two on RAC02
B) only one on RAC01
C) one on RAC01 and one on RAC02
D) two on RAC01

4. Which two tools will prompt you for the possible creation of ASM instances in a RAC environment? (Choose two.)

A) VIPCA
B) OUI
C) ASMCMD
D) DBCA
E) SRVCTL

5. James works as a senior DBA for a finance company. He plans to implement a test RAC
environment. As per his plan, a three-node RAC would be implemented on a Windows platform,
with the following points related to the storage of files:
1) A single Oracle home would be shared by all the nodes.
2) The data files will extend automatically because the autoextend feature will be enabled.
3) The Oracle binaries and all the database files would be stored in a single file system.
4) The hardware RAID is used to support high availability.
These are the some of the storage options available for RAC implementation:
Option 1:Use OCFS with ASM Option 2:Use ASM and not OCFS Option 3:Use OCFS and not ASM Option 4:Use neither OCFS, nor ASM
Which storage option would you suggest for this plan?

A) Option 3
B) Option 1
C) either Option 2 or Option 4
D) either Option 1 or Option 2
E) Option 2
F) Option 4

Solutions: