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Oracle Database 10g R2: Administering RAC Sample Questions:

1. Your network administrator wants to know why you need extra IP addresses for your Oracle Real Applications Cluster now that you are upgrading from OracleSi to Oracle 10g. Which four statements would you use to explain to your network administrator the reason for requiring extra IP addresses? (Choose four.)

A) The VIPs should be registered in the DNS.
B) The VIPs should not be registered in the DNS.
C) The VIPs are used to circumvent network timeouts on the Cluster Interconnect.
D) The VIP addresses must be on the same subnet as the public host network addresses.
E) A VIP would always accept a connection from a client.
F) Database clients should connect to a RAC database using VIPs for the best High Availability solution.
G) The VIPs are used to prevent connection request timeouts during client connection attempts.
H) A VIP would notify its client when a failure occurs.

2. The following are the steps that you have taken so far in a two-node RAC implementation:
1) Completed the preinstallation tasks
2) Performed Oracle Clusterware installation
View the Exhibit and examine the current status of a list of resources on each node.
Your next step is to install the Oracle Database 10g software on these nodes. Which statement is
true about running Oracle Universal Installer (OUI) and installing the software in this situation?

A) You run OUI from any node and the software would be installed on both the nodes successfully.
B) You run OUI from any node and the installer would prompt you to run the crs_start command to start the resources that are offline.
C) You must run OUI from the first node ora....17a because running it from the second node ora....17b would result in an error.

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

A) The SQL statement with the ID dqsu2hwys8rcf was executed 40000 times
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) A LOCK TABLE statement is causing excessive inter-instance messaging.

4. Which three statements about quiescing a RAC database are true? (Choose three.)

A) The ALTER SYSTEM QUIESCE RESTRICTED and ALTER SYSTEM UNQUIESCE statements affect all instances in a RAC environment.
B) It is possible to take a cold backup while the database is in a quiesced state.
C) The database cannot be opened from another instance until the ALTER SYSTEM QUIESCE?statement finishes execution.
D) Use the ALTER SYSTEM QUIESCE RESTRICTED statement from a single instance.

5. After migrating from a 10g R1 cluster to 10g R2, you decide to multiplex your voting disk. Which are the two ways in which you can accomplish this task? (Choose two.)

A) You should not use symbolic links.
B) You can add additional voting disks online.
C) You may use the VIPCA utility to add new voting disks.
D) You may use the command:
crsctl add ess votedisk <new voting disk path>
E) You must add additional voting disks offline.

Solutions: