单选题 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（）

单选题 A company has acquired another company and is consolidating data centers. During the consolidation， half of the users of a business-critical application lost access. The users who maintained access experienced slow performance.  What is the first action the SAN/storage administrator should take to determine the source of the problem（）

单选题 What is one reason the customer should install IBM System Storage DS8000 Virtual Private Network （VPN） technology for the Call Home function（）

单选题 The Business Partner technical specialist is called to check if the addition of host ports on an IBM System Storage DS8000 system has improved users’ response times for an IBM System p server running SAP.  How can the improvement be verified（）

单选题 A customer wants to collect performance data from a newly installed IBM System Storage DS8300 to determine if the system meets expected benchmarks using their application test data.  Which tool best gathers the performance data（）

单选题 A customer with a small IT budget has one data center. Their main application is a database running on an IBM System Storage DS8000. The database has a data change rate of 50% per day. Once a week， they must do a point-in-time backup from the database to tape. The time it takes to run the backup now exceeds the backup window allowed. The customer requests a proposal to reduce database downtime caused by running backups， with nearly no impact to production volumes.    In addition to the tape backup， which DS8000 feature should a technical specialist propose（）

单选题 A customer SAN environment has undergone significant growth over the past two years. They havealso 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 company is consolidating four IBM System x servers. Each server has 500 GB of disk storage and each will grow to 2 TB within the next year. Additionally， the company will implement a SAN over the next year and must include connectivity and storage for its existing IBM System z and two IBM System p servers.    Which storage solution meets the company requirements（）

单选题 A customer wants to directly attach five servers to an IBM System Storage DS8100. They do not intend to use any SAN switches and would like the servers to have a redundant connection to the IBM DS8100. What is the minimum number of DS8000 host adapter cards that the customer will require（）

单选题 A customer has a storage requirement for a mixed IBM System p and System z environment. They require approximately 2 TB of high performance disk for their System z environment. They require approximately 25 TB of low-performance disk for their System p environment. The storage specialist is using Capacity Magic to configure an IBM System Storage DS8300.  Which configuration is most appropriate for this customer（）