A bank has requested proposals for a storage solution to implement disaster recovery processes for their IBM System z configured with Linux, IBM System p configured with AIX, and Microsoft Windows environments. The solution must simulate a multi-site environment and provide the customer the ability to evaluate Metro Mirror, Global Mirror, and FlashCopy. Floor space is limited. What hardware platform provides this native support?（） IBM XIV Storage System。 IBM System Storage DS5300。 IBM System Storage DS8800。 IBM System Storage DS5020 with SVC。
两台变比相同的电流互感器，当一次线圈串联，二次线圈也串联使用时，则总的变比（）。 增加一倍。 减小一倍。 不变。
You have backed up your database twice without connecting to the recovery catalog. What command do you issue to transfer the control-file metadata to the recovery catalog？（） synch catalog。 resync catalog。 replicate catalog。 update catalog。 restore catalog。
The IBM XIV Storage System is designed to be cost-efficient in all aspects, while deliveringoutstanding and consistent performance. Which of these features is currently UNAVAILABLE onthe XIV system?（） single-tier architecture supports all kinds of storage in one environment and makes scaling easy 。 built-in thin-provisioning allows the acquisition and installation of additional capacity to bedelayed until needed. 。 innovative use of solid state disk drives offers excellent capacity-for-cost value while meetingenterprise performance standards 。 use of off-the-shelf components makes customized hardware unnecessary and makes itpossible to integrate state-of-the-art hardware assoon as it becomes available.。
关于城域网建设方案特点的描述中，下列哪些是正确的（） 主干传输介质一般采用光纤。 交换结点采用基于IP交换的高速路由交换机或ATM交换机。 采用ISO／OSI七层结构模型。 采用核心交换层，业务汇聚层与接入层3层模式。
《中华人民共和国中小企业促进法》是在（）通过的。
