单选题 A customer wants to purchase an IBM System Storage DS8700 to support a high-performance database environment.  Which technical solution gives the customer the best relationship between I/O performance at the machine’s backend vs. capacity installed in the machine（）

单选题 A storage specialist is explaining to the customer that relational databases need an additional point-in-time copy process to assure data in memory buffers are flushed to disk prior to the hardware based snapshot command being executed.  Which IBM software solution provides usable and consistent point-in-time data copies（）

单选题 A customer has requested an IBM System Storage DS8700 solution to meet the following requirements： - 20% yearly growth - 29，000 IOPS  - approximately 50/50 mix of read/write operations - small （4 KB） data transfers  The storage specialist has created a Disk Magic model in which each port is capable of approximately 2，900 to 3，100 IOPS.  What is the minimum number of ports that should be configured on the DS8700 to handle the projected workload for the first year（）

单选题 A customer has installed an IBM System Storage DS8700 with 20 TB of storage， two-way processor version， 32 GB cache， and 16 Fibre Channel ports. The customer is beginning to experience throughput performance issues.  To address this performance consideration with minimal cost to the customer， which of the following should be the FIRST step to resolve the problem（）

单选题 A pharmaceutical company has a requirement for 8.5 TB of usable storage for a new data center. The customer has multiple host applications running on Solaris， Windows 2003， HP-U/X， Linux， and IBM System i platforms.  Which IBM System Storage DS8000 volume configuration providesthe best performance and highest availability for this customer（）

单选题 A customer has two DS8000 systems in their environment. One DS8000 has FlashCopy licensed while the other does not. The customer wishes to license FlashCopy on the second DS8000.  Which of the following describes the TDA requirement in this situation（）

单选题 A customer’s SAN environment has undergone significant growth over the past two years. They have also suffered a high turnover rate with administrative personnel. The customer has asked a storage specialist for help in documenting and understanding their changing SAN environment. The ability to make configuration changes to devices would be a plus.  Which tool should the storage specialist suggest（）

单选题 A customer is planning a combined solution of a 2 node SVC and DS8700 with 128x300 GB FC disks. During the TDA the reviewer compares the machine configuration with the customer’s expectations.  Which of the following customer requirements must be considered（）

单选题 On IBM System Stoage DS8000 which of the following information pairs are mandatory to create a volume（）

单选题 A customer has a mission-critical application with redundant fabrics. The customer plans to replace older EMC Symmetrix 8830 systems with an IBM System Storage DS8700 and an IBM SAN Volume Controller （SVC）.  Which statement best describes the way to minimize the impact of data migration on the production environment（）