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Oracle Database 10g R2: Administering RAC Sample Questions:

1. Which CREATE SEQUENCE option is the most scalable?

A) NOCACHE NOORDER
B) CACHE ORDER
C) NOCACHE ORDER
D) CACHE NOORDER

2. View the Exhibit.
You are asked to help a colleague to logically remove node NLEDUC2 from a RAC cluster
installation.
On observing the colleague's terminal, you notice the output as seen in the exhibit. Based on this,
which five additional steps would you recommend? Do not be concerned with the correct
sequence for the steps.
(Choose five.)

A) Check that the ONS configuration has been updated on the remaining node.
B) Check that the database and ASM instances are all terminated on NLEDUC2.
C) Remove the listener from NLEDUC2.
D) Remove the node from the clusterware.
E) Check that the software has been removed from the database and ASM homes on NLEDUC2.
F) Check that the node has been removed from the database and ASM inventories.
G) Stop and restart the nodeapps on NLEDUC1.
H) Stop and restart the clusterware on NLEDUC1.

3. Which three storage types are suitable as a flash recovery area for an Oracle 10g RAC database? (Choose three.)

A) Raw volume
B) ASM disk group
C) Local file system
D) Shared NFS directory
E) Cluster file system

4. You are asked to investigate a problem regarding client connectivity between the HR service and a database, which is on a four-node RAC cluster. The HR service has four preferred instances on the RAC cluster. This cluster also supports five other services. Occasionally, a client-connect request for the HR service takes several minutes to connect, whereas the other five services connect within a second or two. Client-side and server-side connection load balancing are used for all the services. Which combination of network settings would explain these symptoms? (Choose two.)

A) The TNSNAMES. ORA file has an entry for all six services that uses the host name for the Public IP address and not the Virtual IP address.
B) The listener on one or more nodes is listening on both the Public IP address and the Virtual IP address, and the HR TNSNAMES entry uses the Virtual IP address.
C) The TNSNAMES. ORA file has an entry for the five other services that use the hostnames for the Virtual IP addresses and all the listeners listen on both the Public and Virtual IP addresses.
D) The TNSNAMES.ORA file has an entry for the HR service that uses only the host name for the public IP address, and all the listeners listen on both the Public and Virtual IP addresses.
E) The listener on one or more nodes is listening only on the Virtual IP address and the HR TNSNAMES entry uses the Hostnames for the Virtual IP addresses.

5. View the Exhibit, which displays a portion of an ADDM report from a RAC database. Which three statements are true? (Choose three.)

A) A LOCK TABLE statement is causing excessive inter-instance messaging.
B) The ADDM report output reveals a "hot block" condition.
C) The Findings Path section indicates that the Cluster wait class is consuming a significant proportion of the database time.
D) The SQL statement with the ID dqsu2hwys8rcf was executed 40000 times

Solutions: