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Oracle Database 10g R2: Administering RAC Sample Questions:

1. You defined the HR service using the following command:
srvctl add service -d RACDB -s HR -r RAC02.RAC03 -a RAC01
After a while, you realize that there is a workload peak on the HR service, and you decide to temporarily start HR on the RAC04 instance.
Which command or series of commands would you use to start HR on RAC04?

A) srvctl remove service -d RACDB -s HR Srvctl add service -d RACDB -s Hr-r RAC02.RAC03.RAC04 -a RAC01
B) srvctl modify service -d RACDB -s HR -i RAC02.RAC03.RAC04 -a RAC01
C) srvctl remove service -d RACDB -s HR Srvctl add service -d RACDB -s Hr-r RAC02.RAC03.RAC04 -a RAC01 srvctl start service -d RACDB -s HR
D) srvctl modify service -d RACDB -s HR -i RAC02.RAC03.RAC04 -a RAC01 srvctl stop service -d RACDB -s HR srvctl start service -d RACDB -s HR
E) srvctl start service -d RACDB -s HR -i RAC04

2. Which two statements are true in any RAC environment? (Choose two.)

A) After your redo threads are defined, you cannot add new ones.
B) A redo thread must contain at least two groups of redo log files before it can be enabled.
C) A publicly enabled thread can be used by any instance of your RAC database.
D) A RAC database must contain at most one redo thread for each instance.
E) A RAC database must contain at least two threads of redo log files per instance.

3. What does server-side Connect-Time Load Balancing do to complement the client-side Connect-Time Load Balancing function of balancing the connection requests to all the listeners in the address list on the client side?

A) it balances the load for each service across all preferred instances for that service, according to the global load-balancing requirements.
B) it balances the load for each service across all preferred instances for that service, according to the service-specific load-balancing requirements,
C) it balances the load for each service across all instances for that service, according to the service-specific load-balancing requirements,
D) it balances the load for each service across all preferred instances for all services, according to the service-specific load-balancing requirements,
E) it balances the load for each service across all available instances for that service, according to service-specific load-balancing requirements,

4. After adding two new high-performance nodes to your existing eight-node Oracle Database cluster, you decide to remove the two oldest nodes from your cluster. You start by removing the instances from the nodes you are about to remove by using the Database Configuration Assistant (DBCA). During the execution, a problem arises and the DBCA terminates with a fatal exception. Before you contact Oracle Support, you want to create a Java-based tool trace file so that Oracle Support can assist you in resolving this issue as quickly as possible. How would you create this trace file?

A) Request extra information by adding the -v (verbose) command-line flag at the DBCA command line.
B) Request extra information by adding the -d (debug) command line flag at the DBCA command line.
C) There is no need to do anything special because Java-based tool tracing is enabling by default for DBCA.
D) Set the SRVM_DEBUG environment variable to TRUE before you execute the DBCA command.
E) Set the SRVM_TRACE environment variable to TRUE before you execute the DBCA command.
F) Set the DEBUG environment variable to TRUE before you execute the DBCA command.

5. You are preparing to create a RAC cluster. You review the RAC requirements for UNDO tablespaces. Which three are valid statements? (Choose three.

A) If no UNDO tablespace is available when the instance starts, the instance stores undo records in the SYSTEM rollback segments.
B) ALTER DATABASE SET UNDO_TABLEPACE=undotbs3 SID='RDBD01'; is correct.
C) You cannot assign a specific UNDO tablespace to a specific instance.
D) ALTER SYSTEM SET UNDO_TABLESPACE=undotbs3 SID='RDBD01'; is correct.
E) It is not necessary to assign a specific UNDO tablespace to a specific instance.

Solutions: