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IBM C4090-456 Exam Syllabus Topics:

IBM XIV Storage System Technical Solutions V4 Sample Questions:

1. The XIV Gen3 module interconnect implements which technology?

A) PC
B) SAS2JJ
C) iSOSI
D) InfiniBand

2. When is the best time to complete a TDA for XIV?

A) before the customer starts to use the XIV hardware
B) during the pre-sales activity before the hardware is ordered
C) after the XIV hardware is ordered
D) after the XIV hardware is installed

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

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

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

5. On an XIV system, how can a thin provisioned volume be changed to a regular provisioned volume?

A) in the XCLI, use the command vol_resize on the volume
B) in the XCLI, use the command pool_change_config on the pool containing the volume
C) in the GUI, right mouse click on the volume and move itto a regular pool
D) in the GUI, right mouse click on the volume and select"regular provision"

Solutions: