A healthcare provider has two applications that they need to redundantly protect in a SAN environment. Their patient record application runs on Oracle 11i and consists of many small， randomly accessed files. The database is kept on three clustered Sun servers and currently uses 30 TB of data space. Their imaging application that retains and manages x-rays， consists of Filenet， CommonStore， and TSM running on an IBM Power750 server， and is currently using 65 TB of data space. Which of the following disk solutions meets the customer’s requirement（） ["IBM System Storage DS8700 2 way","IBM System Storage DCS9900","IBM System Storage DS8700 4 way","IBM XIV Storage System"]
《中学教师专业标准》要求教师：引导（），培养良好的思维习惯和（）的能力。
反渗透系统的在线清洗控制的关键点有哪些？
IV的Remote Mirroring支持同步复制和异步复制模式， 下列选项中描述正确的是？（） ["同步复制只支持FC链路， 异步复制支持FC和iSCSI链路","异步模式中容灾站点的XIV会自动为Remote Mirroring 的目标卷生成快照以保障数据一致性","Remote Mirroring 的目标卷同时还可用做另一个Remote Mirroring的源卷","Remote Mirroring 的源卷可同时生成最多4份目标卷， 与目标卷之间的复制手段可以混用同步或异步模式"]
简述雷电在风机上的传导
根据林木用途的不同，我国现有森林主要可以划分为（）、（）、（）、（）等类型。
