When considering Dynamic Infrastructure, which IBM storage technology is the IBMrecommended solution for small and medium businesses?（） IBM System Storage DS3500 Express 。 IBM System Storage DS5300 。 IBM XIV Storage System 。 IBM N series 6240。
You are a database administrator for your company. The company uses a vendor company’s application that is based on a proprietary database. You query data from the application database and import the data into a SQL Server 2005 database. The application vendor provides you with a new OLE DB driver to be used when querying the application database. Company policy prohibits connections between the SQL Server database and the application database， except when querying this data. You need to provide a way to query data from the application database. What should you？（） Configure a Linked Server connection to the application database.。 Write a query that uses an OPENDATASOURCE command.。 Write a query that uses an OPENQUERY command.。 Configure a Remote Server connection to the application database.。
The OPTIMIZER_USE_PLAN_BASELINES parameter is set to TRUE. The optimizer generates a plan for a SQL statement but does not find a matching plan in the SQL plan baseline. Which two operations are performed by the optimizer in this scenario?（） The optimizer adds the new plan to the plan history.。 The optimizer selects the new plan for the execution of the SQL statement.。 The optimizer adds the new plan to the SQL plan baseline as an accepted plan.。 The optimizer adds the new plan to the SQL plan baseline but not in the ENABLED state.。 The optimizer costs each of the accepted plans in the SQL plan baseline and picks the one with the lowest cost.。
影响经济批量的因素有（）。 每次的换产费用。 制品的年产量。 单件的库存费。 制品的生产率。 销售情况。
原件
An administrator suspects problems on a SCSI hard disk， but upon running diagnostics， no errors were found.
What must be done to check the condition of the drive？（）
