A customer has requested an IBM System Storage DS8300 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 DS8300 to handle the projected workload for the first year（）

单项选择题AnIBMSystemStorageDS8300isbeinginstalledataglobalcorporation’sheadquarterlocation.Thestoragemustbeavailableworldwide.Agreatdealofcoordinationisrequiredtoschedulethisimplementationacrossthecorporation.Whoisbestpositionedtofilltheroleofimplementationresourcecoordinator（）

A.IBM Service Support Representative
B.IBM Advanced Technical Support Representative
C.IBM Field Technical Support Representative
D.customer IT Manager

单项选择题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（）

A.73GB 15k rpm drives
B.the amount of IOPS per mail box
C.the number of servers running Exchange
D.the Jetstress tool to emulate the Exchange environment

单项选择题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（）

A.check the output of the vmstat command on AIX
B.check the performance reports via TotalStorage Productivity Center for Data
C.check the performance reports via TotalStorage Productivity Center for Disk
D.check the improvement through the TotalStorage Expert report

单项选择题WhatisonereasonthecustomershouldinstallIBMSystemStorageDS8000VirtualPrivateNetwork（VPN）technologyfortheCallHomefunction（）

A.to avoid using a more expensive dial-up modem
B.to load new licensed internal code
C.to achieve more efficient and faster problem resolution
D.to enable capacity on demand

单项选择题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（）

A.using the "vmstat" command on the AIX servers connected via SAN to the DS8300 system
B.looking at the number of I/O managed by the DS8300 system
C.reading the performance reports via TotalStorage Productivity Center for Disk
D.generating reports using the TotalStorage Expert