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Oracle Database 10g R2: Administering RAC Sample Questions:

1. View the Exhibit and examine an installation step of Oracle Enterprise Manager Grid Control 10gR2 to manage your RAC installation. You entered the host name but you are not sure about the port number. Thefollowing is the list of port numbers from the host ed-otraclin17b.us.oracle.com:

A) 1158
B) 1521
C) 5561
D) 3938
E) 4889

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

A) 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.
B) 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.
C) You can have multiple RAC instances apply standby redo log files to the standby database.
D) Each primary RAC instance must send its redo stream to the same standby RAC instance.
E) When you have a serious crash of your primary site, Data Guard Broker automatically initiates the failover to the standby site.

3. To complete a cluster database creation, the DBA must choose the cluster database storage method. Which storage choice is not correct? (Choose the incorrect one.)

A) Cluster File System
B) Automatic Storage Management (ASM)
C) Supported SAN/NAS storage
D) Standard UNIX file system
E) Raw Devices

4. According to the Maximum Availability Architecture, which case is best?

A) Run two identical sites with a primary RAC database on the first site, and RAC physical and logical standby databases on the second site.
B) Run two identical sites with a primary RAC database on the first site, and non-RAC physical and logical standby databases on the second site.
C) Run two identical sites with a primary RAC database on the first site, and only a RAC logical standby database on the second site.
D) Run two identical sites with a primary RAC database on the first site, and only a RAC physical standby database on the second site.

5. You define the ERP service using this statement:
srvctl add service -d RACDB -s ERP -r RAC01 -a RAC02 -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))
(CONNECT_DATA = (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) two on RAC01
C) one on RAC01 and one on RAC02
D) only one on RAC01

Solutions: