You are creating the simple resource plan using the DBMS_RESOURCE_MANAGER.CREATE_SIMPLE_PLAN procedure. Which resource allocation policy will be used for the resource plan？（）  

单项选择题You issued the following block of code：        SQL>BEGIN   DBMS_RESOURCE_MANAGER_PRIVS.GRANT_SWITCH_CONSUMER_GROUP（        ’PROG_ROLE’， ’DEVELOPERS’ ，FALSE）；        END；        SQL>    Which option is NOT a result of executing the above code？（）

A. The switch privilege is granted to the PROG_ROLE role.
B. The users granted the role PROG_ROLE will be able to switch to the DEVELOPERS group.
C. The users cannot grant the switch privilege to other users.
D. The above code will not be executed successfully because the GRANT_SWITCH_CONSUMER_GROUP procedure is an invalid procedure in Oracle10g.

单项选择题You want to enable the user， Scott， to change to the GRP1 consumer group by issuing the following code：        SQL> EXEC DBMS_SESSION.SWITCH_CURRENT_CONSUMER_GROUP  （’SCOTT’，       ’GRP1’， FALSE）；   How will you grant the switch privilege to the user， Scott？（）

A. by using the DBMS_SESSION package
B. by granting the DBA role
C. by using the DBMS_RESOURCE_MANAGER package
D. by using the DBMS_RESOURCE_MANAGER_PRIVS package

单项选择题You issue the following code：    EXEC DBMS_RESOURCE_MANAGER_PRIVS.GRANT_SWITCH_CONSUMER_GROUP        （’SCOTT’ ’GRP1’， TRUE）；   What will be the result of executing the above code？（）

A. The switch privilege will be granted to the user， Scott， for changing the consumer group to GRP1.
B. The switch privilege will be granted to the user， Scott， for changing the consumer group from GRP1 to any other group.
C. The code will not execute successfully because there is no GRANT_SWITCH_CONSUMER_GROUP procedure in the DBMS_RESOURCE_MANAGER_PRIVS package.
D.The code will execute successfully but no privilege will be granted to the user， Scott.

单项选择题You updated the resource plan directive for the resource consumer group， DSS_USERS. The resource plan directive is assigned to the DSS_PLAN by using the following statement：   SQL>EXEC DBMS_RESOURCE_MANAGER.UPDATE_PLAN_DIRECTIVE  （PLAN => ’DSS_PLAN’，   GROUP_OR_SUBPLAN => ’DSS_USERS’，   NEW_CPU_P1 => 80，   NEW_SWITCH_GROUP => ’CANCEL_SQL’，   NEW_SWITCH_ESTIMATE => TRUE，   NEW_SWITCH_TIME => 600）； A user connects to the database and starts an operation. What is the outcome if Oracle estimates that the execution time for this operation will exceed 600 seconds？（）

A. The session is killed before starting the operation.
B. The session generates an error before starting the operation.
C. The session switches to the CANCEL_SQL resource consumer group before starting the operation.
D. The session hangs before starting the operation.

单项选择题TheDatabaseResourceManagerisnotcurrentlyactiveinyourdatabasethatisupandrunning.YoucreatedaresourceplannamedDAY_PLANthatcontainstwosub-plansnamedMANAGERS_PLANandCLERKS_PLAN.YoudecidedtoactivateDAY_PLANbyexecutingthefollowingstatement：SQL>ALTERSYSTEMSETRESOURCE_MANAGER_PLAN=’managers_plan’；Whatwillbetheoutcomeofthisstatement？（）

A. The statement will deactivate DAY_PLAN.
B. The statement will activate DAY_PLAN as the top plan.
C. The statement will activate MANAGERS_PLAN as the top plan.
D. The statement will return an error because MANAGERS_PLAN is not the top plan.