IBM XIV Storage System Technical Solutions V4 認定 C4090-456 試験問題:

1. Following a proof of concept, it has been determined that an eleven module XIV system containing 2 TB drives is the minimum configuration suitable for the workload, which consists primarily of random writes. The customer is concerned about the upfront costs so the sales representative has suggested a six module system with 3 TB drives, which would also provide ample capacity for the application.
Given the customer's concerns, which configuration should the technical specialist recommend to best meet the customer's requirements?

A) a nine module XIV with 2 TB drives and six CoD activations
B) a six module XIV with 3 TB drives and SSDs
C) an eleven module XIV with 3 TB drives and six CoD activations
D) an eleven module XIV with 2 TB drives and eight CoD activations

2. In a six module XIV system, I/O activity involving a specific logical volume is handled by how many spindles?

A) 180
B) 36
C) 72
D) 108

3. Which of the following statements is true of the XIV architecture?

A) Storage Pools are used to group volumes with similar performance requirements.
B) For each mirrored 1 MB partition, one copy is always on an interface module.
C) In a fifteen module XIV, fifteen physical disks are allocated as hot spares.
D) Every logical volume is spread over every physical drive.

4. On a thin-provisioned pool the size of the volume is limited by:

A) the hard capacity of the storage pool
B) the hardcapacityof the XIV
C) the soft capacity of the storage pool
D) the hard capacity of the volume

5. Where is the XIV VSS Provider software installed?

A) on servers or VMs connected to the XIV system
B) on the interface modules of the XIV system
C) on the XIV maintenance module
D) as a plug-in to the XIV GUI

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