参照HB20660《压力容器中化学介质毒性危害及爆炸危险程度分类》规定毒性级别为高度危害的气体在空气中的最高允许浓度为（）mg/m3。 ["0.01-0.1","0.1-1.0","1.0-10","≥10mg\/m3"]
A customer is evaluating PowerVM capabilities for dynamically allocating resources without rebooting LPARs. Which features of PowerVM support the customer requirement?（） ["CoD and PCI hot-plug","DLPAR and Active Memory Sharing","Hot node add and hot node repair","D.ynamic processor failure and processor instruction retry"]
税收优惠按照优惠目的通常可以分为（）优惠。 ["区域性","产业性","照顾性","鼓励性"]
专利权的特点（）。 ["独占性","地域性","通用性","可转让性"]
The warning level threshold value for a tablespace， DATA1， is set to 60% and the critical level threshold value is set to 80%. The tablespace， DATA1， is infrequently used and is not a part of the production environment. You issued the following command： SQL> EXECUTE DBMS_SERVER_ALERT.SET_THRESHOLD （dbms_server_alert.tablespace_pct_full， dbms_server_alert.operator_ge，80， dbms_server_alert.operator_ge，90， 1，1，NULL， dbms_server_alert.object_type_tablespace，’DATA’）； What will be the result of the command？（） [" The command will be executed successfully only if the tablespace DATA1 is a dictionary-managed tablespace."," The total numbers of alerts that you receive every day will be reduced."," The total number of alerts that you receive every day will be increased."," No more data will be added to the DATA1 tablespace if 80% of the space allocated to the DATA1 tablespace is used."]
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