On a Windows 2000 Professional computer， you run a shipping application that prints packing labels to a laser printer for every outgoing shipment， 24 hours per day. During peak hours， your company ships more than 1，000 packages per hour. You have just purchased a second identical laser printer to aid in printing. You want to configure the printers so that the jobs are load balanced. You connect the second laser printer to the computer. What must you do next？ （） Enable bi-directional support.。 Enable printer pooling.。 Configure print spooling.。 Configure print sharing.。
简述系统自然观的基本内容。
You have a computer that runs Windows XP Professional. You attempt to install a device driver for a new printer and receive the error message shown in the exhibit. You need to ensure that you can install the device driver. What should you do?（） Add your user account to the local Power Users group.。 Add your user account to the local Administrators group.。 From the Device Manager, uninstall the current display driver.。 From the System properties, modify the Driver Signing option.。
什么是物料需求计划（MRP）采购？
服务器选型的原则
“控制下交付”有什么作用？（）
