In your database， online redo log files are multiplexed and one of the members in a group is lost due to media failure. How would you recover the lost redo log member？（） import the database from the last export。 restore all the members in the group from the last backup。 drop the lost member from the database， and then add a new member to the group。 restore all the database files from the backup， and then perform a complete recovery 。 restore all the database files from the backup， and then perform an incomplete recovery。
氢气系统优化的最终目标是降低全厂制氢装置能耗，遵循的框架步骤有（）。 应降低用氢装置的氢气需求。 提高副产氢量。 氢气网络系统优化匹配及氢气资源回收利用。 优化制氢装置。 提高关键设备的效率。
An administrator has a Power 570 in default configuration with a 4 port 1 Gbps Integrated Virtual Ethernet (IVE) adapter. A new application requires that the MCS value for the first port group of the IVE adapter be set to 1. If this change is made, what is the maximum number of logical ports, across both port groups, that the IVE adapter can provide?（） 4 。 16 。 20 。 32。
结构性失业
小企业在三大财务报表是什么？它们之间有哪些联系与区别？
A customer server has the maximum local storage installed. The customer plans to share this new storage with other servers. Which of the following provides that server additional storage？（）
