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Oracle Database 10g R2: Administering RAC Sample Questions:

1. You need to add a new service to your RAC database, called DBA, to account for all the work done by database administrator sessions performing routine maintenance, to make this visible in the v$service_stats view. The maintenance would be done at quieter times but restricted session is not an option due to round-the-clock access requirements. The database administration team may connect locally or remotely to the RAC database. You decide to use DBCAto create the new service.
What must be true to allow client-server connection to the DBA service? (Choose two.)

A) The TNSNAMES.ORAfile or a name server must contain the net service entries for the DBA service.
B) The ALTER SYSTEM REGISTER command must be used to induce PMON to register the service with the listeners.
C) The service must have at least one preferred or available instance that is running and accepting logins.
D) All the listeners must be reloaded using LSNRCTL RELOAD to recognize the dynamically created service.
E) The services must be started using the SRVCTL START SERVICE command.
F) The service must be started using the DBMS_SERVICE.START_SERVICE procedure.

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

3. 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) use of freelists to manage space in table and index segments
C) use of online index rebuild
D) use of ASM
E) a physical standby database for rolling upgrades
F) use of the DBMS_REDEFINITION package

4. You decide to implement Fast Start Failover for your RAC Data Guard configuration to improve your high availability strategy. Which are the two valid locations for the DG Broker configuration files? (Choose two.)

A) on the local storage at the observer location
B) on the shared storage at the observer location
C) on the storage that is shared between the observer location and at least one of the instances that is part of the data guard configuration
D) on the shared storage at the standby location
E) on the shared storage at the primary location

5. Your company has certain standard practices for technology and you are configuring ASM disk groups for your four-node RAC cluster. The company guidelines suggest that there is one disk group for the flash recovery area that is shared by all databases and a separate disk group for the database area of all databases. Which three exceptions exist that may require you to create additional disk groups? (Choose three.)

A) There are partitioned tables where the older partitions are in read-only tablespaces and seldom accessed, but the more recent partitions are frequently accessed.
B) The retention policy for backups are different for different databases.
C) The disk farm has different disk models with different characteristics and ages.
D) Some database instances are shut down every night while others are always running.
E) Some databases operate in ARCHIVELOGMODE and others in NOARCHIVELOGMODE.
F) There are large nonpartitioned tables accessed frequently using indexes.
G) Applications using the databases have different Service-Level Agreements for response time and throughput.

Solutions: