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Oracle 1Z0-048 Exam Syllabus Topics:

Oracle Database 10g R2: Administering RAC Sample Questions:

1. Your company asked you to implement RAC to enhance the scalability and availability of the database that you manage. Your coworker suggested that you use ASM as the only storage option. However, you implemented RAC with Automatic Storage Management (ASM) as well as OCFS as storage options. What are the reasons for implementing both OCFS and ASM as storage options? (Choose all that apply.)

A) You do not want to store any file other than voting and OCR files in ASM.
B) You want to use the Oracle Managed Files (OMF) feature but that is not supported by ASM.
C) You do not want to use raw devices to store voting and OCR files.
D) You want to avoid keeping Oracle binaries on local storage.
E) You require OCFS to store archive log files because ASM does not support these files.

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

3. What does your client connection do using this connect string?
n et_s e rvi c e_n a m e=
(DESCRIPTION
(LOAD_BALANCE=on)
(ADDRESS=(PROTOCOL=tcp)(HOST=sales1 -svr-vip)(PORT=1521))
(ADDRESS=(PROTOCOL=tcp)(HOST=sales2-svr-vip)(PORT=1521)))
(CONNECT_DATA=(SERVICE_NAME=sales. us. acme, com))

A) It randomizes its connection request on the available listeners.
B) It connects you to the least loaded node.
C) It connects you to the least loaded instance.
D) It connects you to the instance on the least loaded node that currently accepts logins for the SALES.US.ACME.COM service.

4. You want check whether the group services node application is running on all the nodes in your cluster before you create a cluster database. Which utility can you use to make sure the node application is running on all nodes in the cluster?

A) Isnrctl
B) onsctl
C) addnode.sh
D) crsctl
E) crs_stat

5. Which initialization parameter would you use for each RAC instance to make sure that each listener on each RAC node is aware of the load of all the others?

A) LOCALJJSTENER
B) PREFER LEAST LOADED NODE <listener-name>
C) REMOTE_DEPENDENCIES_MODE "
D) REMOTEJJSTENER

Solutions: