[单选]
You are using the Database Resource Manager to manage database resources. You created a resource plan directive for the MANAGERS resource consumer group under the SALES_PLAN by using the following statement：
SQL>EXEC DBMS_RESOURCE_MANAGER.CREATE_PLAN_DIRECTIVE
（PLAN => ’SALES_PLAN’，
GROUP_OR_SUBPLAN => ’MANAGERS’，
CPU_P1 => 100， CPU_P2 =>0，
SWITCH_GROUP => ’CLERKS’，
SWITCH_TIME_IN_CALL => 600）；
A user， SCOTT， who is assigned to the MANAGERS group， starts a database session and executes a query on the database. What is the outcome if the query takes approximately 15 minutes to complete？（）

A . The query starts under the CLERKS group and the user， SCOTT， switches back to the MANAGERS group after the query completes.
B . The query starts under the MANAGERS group but terminates with an error when the execution time exceeds 10 minutes.
C . The query starts under the MANAGERS group and switches automatically to the CLERKS group when the execution time exceeds 10 minutes. The query does not switch back to the MANAGERS group after the query completes.
D . The query starts under the MANAGERS group， the user SCOTT switches automatically to the CLERKS group when the execution time exceeds 10 minutes， and then switches back to the MANAGERS group after the query completes.

甲国实行居民管辖权，下列选项中是该国征税对象的有（）。本国居民的境内所得。本国居民的境外所得。乙国居民来源于乙国所得。本国居民在外国的房屋出租收入。当管道内的压力降为零或微正压时，（）方法不允许用于切割管道。电动切管机切割。手动切管机切割。液压切管机切割。手动砂轮机或气焊割炬来切割。 What is the standard power supply that is delivered with a BladeCenter H chassis for a North American customer？（） Redundant 2900W （2 x 2900 W）。 Single 2900W （1 x 2900 W）。 Single 2000W （1 x 2000 W）.。 Redundant 2000W （2 x 2000 W）。 An administrator has mirrored the root volume group to a second disk， but ’bootlist’ is failing to correctly add the second disk. What is the likely cause of the problem？（） The administrator has failed to run ’bosboot -ad <2nd disk>’ prior to the bootlist command.。 The administrator has failed to run ’bootinfo -B <2nd disk>’ prior to the bootlist command.。 The administrator has failed to run ’mirrorvg -m rootvg <2nd disk>’ prior to the bootlist command.。 The administrator has failed to run ’bosboot -ad /dev/ipldevice <2nd disk>’ prior to the bootlist command.。一台50Hz三相异步电动机的转速为720r/min，该电机的级数和同步转速为（）。 4极，1500r/min。 6极，1000r/min。 8极，750r/min。 10极，600r/mi。

You are using the Database Resource Manager to manage database resources. You created a resource plan directive for the MANAGERS resource consumer group under the SALES_PLAN by using the following statement：
SQL>EXEC DBMS_RESOURCE_MANAGER.CREATE_PLAN_DIRECTIVE
（PLAN => ’SALES_PLAN’，
GROUP_OR_SUBPLAN => ’MANAGERS’，
CPU_P1 => 100， CPU_P2 =>0，
SWITCH_GROUP => ’CLERKS’，
SWITCH_TIME_IN_CALL => 600）；
A user， SCOTT， who is assigned to the MANAGERS group， starts a database session and executes a query on the database. What is the outcome if the query takes approximately 15 minutes to complete？（）

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