A customer has the need for performance monitoring of an IBM System Storage DS8000. Which product does the customer need（） System Storage Productivity Center。 Tivoli Storage Productivity Center for Data。 Tivoli Storage Productivity Center for Disk。 Tivoli Storage Productivity Center for Fabric。
游标高度尺的精度一般为（）mm。 A、0.2 。 B、0.1 。 C、0.02 。 D、0.01。
Within the application MY_APP the following PREVIOUS VALUE expression references the sequence MY_SEQ: PREVIOUS VALUE FOR my_seq After which of the following events will the most recently generated value of MY_SEQ persist so that it can be returned to the active MY_APP application?（） After a ROLLBACK is issued。 After the sequence is altered。 After the sequence is dropped。 After the current session end。
重量充装气瓶是利用（），根据钢瓶的总重量值，按照规定的量值来确定充装量的。 检斤秤；。 压缩机；。 充装秤；。 液泵。
Company.com has a large network control center with an SNMP based monitoring tool running on a non-IBM Unix like system. It has become desirable for the network control center to monitor the activity of an HACMP cluster. What feature in HACMP can assist with this？（） hacmp.my。 hacmp.mib。 hacmp.defs。 hacmp.snm。
应用系统管理为什么需要选择成熟平台（）
