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Oracle Database 10g R2: Administering RAC Sample Questions:

1. 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.

2. View the Exhibit and examine an installation step of Oracle Enterprise Manager Grid Control 10gR2 to manage your RAC installation. You entered the host name but you are not sure about the port number. Thefollowing is the list of port numbers from the host ed-otraclin17b.us.oracle.com:

A) 3938
B) 4889
C) 5561
D) 1158
E) 1521

3. 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.

4. The infrastructure team at your company requires your advice on maximizing availability using Maximum Availability Architecture and any other features that will help reduce planned downtime both for database instances and for the availability of database objects which applications depend on. You are already running a four node RAC cluster to protect against instance and node failures. Which four would you recommend if they are not already implemented? (Choose four.)

A) use of segment shrinking to reorganize space in tables and indexes
B) a physical standby database for rolling upgrades
C) use of freelists to manage space in table and index segments
D) use of the DBMS_REDEFINITION package
E) use of ASM
F) use of online index rebuild

5. 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 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.
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 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.
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.

Solutions: