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IBM XIV Storage System Technical Solutions V4 Sample Questions:

1. What is a benefit to IBM's XIV SSD transparent read cache?

A) performance improvement in sequential reads
B) real-time cache algorithm; not policy-based
C) SSD drives add usablecapacitywithout user intervention
D) SSD read cache is a separate tier

2. A TELCO customer has an application that generates intensive small block random reads. The customer installed one XIV Gen3 system and is dissatisfied with this choice. They have enough performance on writes and sufficient capacity.
In order to consolidate more applications what should the technical specialist advise?

A) use external storage with FC drives and virtualize it under XIV
B) request IBM to change the nearline SAS drives with SAS 10k drives
C) order an extra frame with SAS 15k drives
D) orderthe SSD option and use itin conjunction with Q0S

3. A customer has legacy Windows 2003 servers to connect to an XIV. What software is required to be installed on the host?

A) XIV Top
B) XIV VSS
C) XIV HAK
D) XIV GUI

4. What is a benefit of the XIV system's grid-based architecture?

A) each module contains processing, caching and storage
B) differentcapacitydrives can be mixed within the system but not in the same module
C) any module can act as an interface module
D) SSDs must be installed in the interface modules only

5. Which of the following occurs in the event of an SSD failure in an XIV system?

A) The failed SSD's contents are rebuilt onto the hot spare SSD in the maintenance module.
B) The extended read cache workload of the module with the failed SSD is redistributed to the remaining modules.
C) All cached write data on the SSD is destaged to disks and SSD caching is disabled until the failed SSD is replaced.
D) The module containing the failed SSD is phased out and all data is redistributed to the remaining modules.

Solutions: