单选题 Acustomer has requested an IBM System Storage DS8300 system for a new Exchange 2003 email solution to meet the following requirements：  - 20% yearly growth - 25，000 mail boxes - approximately 50/50 mix of read/write operations  The storage specialist has used Capacity Magic to calculate a base configuration of 46.7 TB raw capacity， 64 GB cache， and 24 ports for the DS8300. The storage specialist has been asked to model this configuration using the expected workload to verify that it is a viable solution.  What is needed to start modeling（）

单选题 A customer wants to consolidate storage from four IBM System p servers and one large IBM System i server. The customer does not have a SAN installed. The customer will require approximately 4 TB for System p and 3 TB for System i. The customer states that performance and isolation of the System i system is most important. Capacity， multi-path access， and replication functions are important for the System p servers.    Which solution best satisfies the customer requirements（）

单选题 A customer using an IBM System Storage DS8300 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 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 Acustomer RFP requires installation of an open system SAN and migration of 40 TBs currently residing on ten UNIX servers （on native server disk）. The Service Level Agreement （SLA） requires no more than five minutes per week of planned downtime for backup.  Which IBM System Storage solution should the sales specialist propose（）

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 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 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 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（）