适度人口容量
A bank has requested proposals for a storage solution to upgrade their disaster recovery processes for their IBM System z， UNIX， and Microsoft Windows environment. The solution must simulate a multi-site environment and provide the customer the ability to evaluate Metro Mirror， Global Mirror， Global Mirror for z/OS， and FlashCopy. Floor space is limited. Which solution best meets the specified requirements（） two IBM System Storage DS8100 systems。 one IBM System Storage DS8300 with LPAR。 two IBM System Storage DS6800 systems in a single rack。 one IBM System Storage DS6800。
化学物对免疫系统的作用具有（），同一化学物可在不同条件下分别表现为对机体的免疫抑制或过敏。 互动性。 单相性。 双相性。 累加性。
木本植物用（）方法可以杀菌，同时可以延长切花的寿命。
Which files are required for a full recovery of the database in ARCHIVELOG mode？（） Database datafiles。 Online redo logs。 Archived redo logs。 Backup control file。 Control file from a backu。
碱度分为酚酞碱度和（）两种
