单项选择题 A customer has purchased three IBM System Storage DS8700 systems and would like to have their administrators trained.  Which training alternative provides the necessary training with the least financial impact（）

单项选择题 A customer using an IBM System Storage DS8700 is facing performance problems. After the analysis by the technical specialist， the diagnosis indicates that the cache hits may be improved by a cache upgrade.  How can the system be monitored in order to check the benefits of the cache upgrade（）

单项选择题 An IBM Business Partner suggests an IBM System Storage DS8000 to a customer with a SAN   that is now configured with an EMC Symmetrix subsystem disk.  The customer wants to determine if new HBAs and software upgrades are needed on the servers if the EMC storage is replaced by the DS8000 What document must be carefully read to help address the customer’s concerns（）