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计算机考试 | IBM认证考试

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单选题 A customer is considering the purchase of an XIV system to leverage thin provisioning. They are concerned that their application will use all available space during formatting, which will remove any thin provisioning benefits. What should the storage specialist discuss with the customer?()

A

the possibility of changing the application so this no longer happens

B

with the XIV system's SATA basedapproach, storage costs are so low that over-provisioning is not an issue

C

the XIV system has immediate zero page reclamation features that will immediately return the volume to its original size

D

the XIV system has a white space reclamation feature that will return the volume to its original thin provisioned size over time

单选题 A customer is planning to upgrade two VMware ESX servers from 3.5 to 4.1 after recently installing a new XIV Storage System. Each server has 4 HBAs connected to redundant fabrics for a total of 4 paths per server to storage. The customer wants to increase the throughput available to the ESX servers. What configuration setting does the storage specialist need to highlight?()

A

increase the buffer credits on the HBAs

B

increase the number of device logins on the ESX servers

C

additional paths will be required between the servers and storage

D

multipath option on the ESX servers should be changed to round-robin

单选题 Which of the following is one of the key differentiators between the IBM System Storage DS8000 and the XIV system?()

A

DS8000 supports z/OS; XIV supports both z/OS and Linux on z

B

DS8000 uses standard RAID technology; XIV uses distributed RAID

C

XIV is a single tiered system; DS8000 supports FC and SSD disk technologies only

D

XIV supportsFibre Channel protocol and mixed SATA and FC drives; DS8000 supports parallel grid architecture

单选题 A financial customer has three data centers that are approximately five kilometers apart. Their SAP application data needs to be kept synchronized within 10 milliseconds between the three sites. Which of the following solutions satisfies the customer's recovery time objective?()

A

DS8700 systems at each site running Metro Mirror

B

DS5300 systems at each site running Metro Mirror

C

DS5100 systems at each site running Global Mirror

D

XIV systems at each site running synchronous mirroring

单选题 Which of the following tools can be used to configure the IBM System Storage DS8000? ()

A

IBM Systems Director

B

Unisphere Management Suite

C

IBM System Storage Productivity Center (SSPC)

D

IBM Standalone Solutions Configuration Tool (SSCT)

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