在方案优选时，关于净现值法说法错误的是（）。 净现值法是以净现值作为方案优选比较指标。 净现值最大的方案为优选方案。 净现值法要求方案收入、费用可以定量预估。 净现值法中方案基准收益率可以不一致。
You enable block change tracking. You issue the following command: BACKUP INCREMENTAL LEVEL 0 DATABASE; The next day, you issue the following command: BACKUP INCREMENTAL LEVEL 1 CUMULATIVE DATABASE; Which statement about the use of the change tracking file is true?（） RMAN reads the block change tracking file only when it performs the incremental level 0 backup.。 RMAN reads the block change tracking file when it performs both incremental backups.。 RMAN reads the block change tracking file only when it performs the incremental level 1 backup.。 RMAN does not read the block change tracking file when it performs either incremental backup.。
简述物流与配送的区别与联系
教育的资源不再局限于（），学习将跨越时代、时间和空间。
An administrator has an existing HMC and POWER6 570 connected to a network switch. The administrator is planning to install two POWER6 570s with a dedicated HMC. Which infrastructure is required for the new HMC?（） An additional switch for the new HMC。 Asynchronous adapters on the new HMC。 The two 570 servers are directly connected to the new HMC。 One 570 is directly connected to the new HMC and the other is directly connected to the existing HMC。
对于正常的在建工程，一般应当按照在建工程的（）来评估。
