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Oracle Database 10g R2: Administering RAC Sample Questions:

1. Which three statements are correct regarding ASM instances in a RAC environment? (Choose three.)

A) ASM instances can use different values for ASM_POWER_LIMIT.
B) ASM instances must all have the same value for ASM_DISKSTRING.
C) ASM instances must all have the same value for ASM DISKGROUPS.
D) ASM instances recognize their disks by looking at their headers.
E) ASM instances can mount different sets of disk groups.

2. You are creating a database in your RAC implementation. You are using the DBCA to create the database, and you selected the Raw Devices Mapping file on one of the screens of the DBCA. What is the reason for selecting this file?

A) You want to configure an ASM diskgroup containing raw devices.
B) You want to provide the DBCA with a list of all the storage devices that are currently bound to a raw interface.
C) You want the DBCA to bind the partitions to raw devices.
D) You want to set the appropriate raw partition for each database file.

3. Which three statements about patching Oracle products in a clustered environment are true? (Choose three.)

A) The Oracle Universal Installer (OUI) is cluster-aware and able to manage patches on all nodes in your cluster.
B) OUI manages patches in a clustered environment only if a shared ORACLEJHOME is employed.
C) The OUI automatically manages the patch installation progress, including the copying of files to remote nodes, just as it does with the CRS and database binary installations.
D) OUI prevents potentially destructive concurrent patch installations through the use of Inventory List Locks.

4. You execute the following command from the first node of your cluster: crsctl add ess votedisk /dev/raw/raw9
However, you get an error message indicating that Oracle Clusterware stack is not started. Which command would you execute?

A) crsctl enable crs Crsctl add ess votedisk /dev/raw/raw9
B) crsctl start crs Crsctl add ess votedisk /dev/raw/raw9
C) crsctl enable crs Crsctl add ess votedisk /dev/raw/raw9 -force
D) crsctl add ess votedisk /dev/raw/raw9 -force
E) crsctl start crs Crsctl add ess votedisk /dev/raw/raw9 -force

5. Your company is about to switch from one Internet Service Provider (ISP) to another, and this change of ISP comes along with a whole new set of network addresses. Your job is to change the VIP addresses of your company's Oracle Cluster.
How would you apply this change?

A) Stop all VIP-dependent components on all cluster nodes, make the necessary changes in DNS, and then restart all VIP-dependent components.
B) Stop all VIP-dependent cluster components on one node, make the necessary changes in DNS, change the VIP using SRVCTL, restart all VIP-dependent components, and then perform these steps on al the remaining nodes one at a time.
C) Change the VIP addresses on the cluster using SRVCTL while the cluster is fully functional.
D) Change the VIP addresses in DNS and the cluster would pick up the new addresses automatically.
E) Reinstall the Oracle Clusterware layer of your cluster.

Solutions: