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（）

A customer has an IBM System Storage Enterprise Storage Server and several EMC CX3 systems installed in a data center， attached to IBM System p servers. As a step toward data consolidation， they intend to put all data on a new DS8700. 
What would be the most important data migration factors to consider（）

A customer has 6.5 TB with 146 GB 15k disk drives on an IBM System Storage DS8700. They want to add 15 TB using 300 GB 15k disk drives. The customer is concerned about performance and wants to know if the DS8700 has the performance capability. 
What is the appropriate way to  model the performance（）

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. 120 TB physical capacity is required per site. Only Fibre Channel drives can be used. 
Which solution best meets the specified requirements（）

A customer needs 40 TB for Tier 2 Information Lifecycle Management （ILM） data installed on the System z/VM. Their current data center is critically short of floor space. 
Which of the following would satisfy the customer requirement（）

A customer business requirement addresses data encryption implemented in tape and disk media. They plan to deploy a DS8700 to provide enterprise class storage and plan to configure the DS8700 with SSD and Fiber Channel disk drives. 
Which statement is TRUE regarding disk encryption（）

A customer has the need for performance monitoring of an IBM System Storage DS8000. 
Which product does the customer need（）

A mainframe customer would like to receive a proposal for a mainframe storage system with 120 TB raw capacity. The 
mainframe server load is not too high， and they need hard disk drives with the lowest possible power consumption to keep operating costs low. The customer will notincrease the capacity of their mainframe applications in the future but rather invest later into their System p servers. 
Which of the following solutions best meets these requirements at the lowest cost（）

A customer has the following non-virtualized servers： - three Exchange servers， each with 2.8 TB database 
- five System i Domino servers， each with 2 TB database 
- 20 TB usable capacitySun/SAP cluster 
- 70 TB usable capacity of System p requirement 
- annual growth rate of 12 TB usable capacity per year  
What is the most cost-effective solution for three years（）

A customer has an existing IBM System Storage DS8700 2-way model with 8 mega packs of 300 GB disks and 16 fibre ports. 
How many additional fibre ports and mega packs can be installed in the base frame（）