单项选择题

A customer has requested an IBM System Storage DS8700 s……

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（）

A.8
B.10
C.12
D.16

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单项选择题The storage specialist sized a DS8800 proposal with eight host adapters in the four-port version. 240 drives of the 146GB-15k rpm type will be installed. The proposal needs to meet a very competitive price. The customer will have only minor capacity growth in the future. Which of the following solutions best meets these requirements（）

A.offer a DS8800 one-frame system in four-way processor version and standard cabling
B.offer a DS8800 one-frame system in two-way processor version and business class cabling
C.offer a DS8800 one-frame system in two-way processor version and standard cabling
D.offer a DS8800 one-frame system in four-way processor version and business class cabling

单项选择题A financial customer has three data centers that are four kilometers apart. Their SAP application data needs to be kept synchronized within 10 milliseconds. Which solution satisfies the customer’s recovery time objective（）

A.DS8700 systems at each site running Metro Mirror
B.DS8700 systems at each site running Global Mirror
C.DS5300 systems at each site running Global Mirror
D.XIV systems at each site running Remote Mirroring

单项选择题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 zero impact to production volumes. In addition to the tape backup， which DS8000 feature should a technical specialist propose（）

A.FlashCopy
B.FlashCopy SE
C.Metro Mirror
D.Global Mirror

单项选择题WhatisusedtogatherinformationonaWindowshostthatwillbeusedfordeterminingtheoptimumconfigurationofanIBMSystemStorageDS8700（）

A.Disk Magic
B.PerfMon
C.iostat
D.Tivoli Storage Productivity Center for Data

单项选择题A customer would like to implement an IBM System Storage DS8000 solution that requires 225 TB raw capacity. They are convinced that 450 GB is the optimum size for their business applications. There is limited space available for additional machines in the data center. Which solution meets best this requirement（）

A.DS8700 system with three frames
B.DS8800 system with threeframe
C.DS8700 system with two frames
D.DS8800 system with two frames