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Oracle Database 10g R2: Administering RAC Sample Questions:

1. What is true about Virtual Internet Protocol Configuration Assistant (VIPCA)?

A) The ifconfig -a command is used to back out a faulty VIPCA configuration.
B) Each Virtual IP (VIP) configured requires an unused and resolvable IP address.
C) The VIP for each node should be bound to the adapter that is acting as the private interconnect.
D) The VIPCA application must be run manually on all nodes in the cluster.

2. You are asked to design a Maximum Availability Solution for a RAC configuration that provides for continuous availability for the Oracle database and which can survive instance failures, node failures, data failures, and site failures. The RAC configuration has a four-node cluster with five different services configured. Performance must be maintained for any failure situation for all the services, and all data must be preserved. All the servers in the configuration will have the same hardware. Which configuration would you recommend?

A) Asymmetric RAC and Dataguard configuration with a mixture of RAC and single instances using ASM at all sites with the same service preferences
B) Symmetric RAC and a Physical Standby Database in a Dataguard configuration with RAC and ASM at all sites with the same number of instances and the same service preferences
C) Asymmetric RAC and a Physical Standby Database in a Dataguard configuration with RAC and ASM at all sites with the same number of instances but different service preferences
D) Asymmetric RAC and a Logical Standby Database in a Dataguard configuration with RAC and ASM at all sites with the same number of instances but different service preferences

3. View the Exhibit and examine a database software installation step in a RAC environment.
Which statement about the path is true?

A) You must specify the location of the OCR file.
B) You should specify the same path that you specified for the ORACLE_BASE environment variable.
C) You must specify the same path where Oracle clusterware is installed.
D) You should specify a path under ORACLE_BASE where Oracle product is to be installed.
E) You must specify the location of Oracle inventory.
F) You must specify the same path that you specified to install ASM.

4. Which two statements are true in a RAC environment? (Choose two.)

A) When using DBCA to create a service, you do not need to add the corresponding TNS entry in your tnsnames.ora on the cluster nodes.
B) After you create a service using SRVCTL, you need to start it with a separate command.
C) When using SRVCTL to create a service, you do not need to add the corresponding TNS entry in your tnsnames.ora.
D) After you create a service using Database Configuration Assistant (DBCA), you need to start it with a separate command.
E) After you create a service, you need to enable it for CRS to manage it.

5. After a disk failure caused by a power outage, your CRS is unable to start up completely because all your OCR files are lost. Which commands would you use and in which order to redress this
situation?
1 OCRCONFIG -REPAIR (on the local cluster node only)
2 OCRCONFIG -REPAIR (on all cluster nodes)
3 OCRCONFIG -RESTORE <path name>
4 OCRCONFIG -IMPORT <path name>
5 CRSCTL STOP CRS (on the local cluster node only)
6 CRSCTL STOP CRS (on all cluster nodes)
7 OCRCONFIG -SHOWBACKUP
8 CRSCTL START CRS (on the local cluster node only)
9 CRSCTL START CRS (on all cluster nodes)

A) 5,4,8.
B) 7,6,4,9.
C) 6,3,9.
D) 5,3,8.
E) 7,6,3,2,9.
F) 7,6,3,9.
G) 6,4,9.

Solutions: