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IBM XIV Storage System Technical Solutions V4 Sample Questions:

1. XIV Quality of Service limits I/O to which of the following?

A) storage pools
B) mirrored pairs
C) hosts
D) consistency groups

2. How does IBM XIV SSD technology provide longer life over competitors' use of SSD technology?

A) IBM SSDs are filled with write blocks of 1024kb in random I/O operations
B) common off-the-shelf components minimize the use of SSDs for write environments
C) hybrid algorithms combine features of SSDswith existing HDDsin the same unit
D) patented wear-leveling algorithm designed for SSD longevity

3. A customer wants to ensure resource availability for their SAP application by implementing Q0S. How could the performance class be defined?

A) for half of the interface modules add all hosts, with the remaining modules serving the SAP application
B) limited to 10,000 IOPS and add the SAP application servers to it
C) limited to 10,000 IOPS and add all hosts except the SAP application to it
D) for half of the interface modules add the SAP application, with the remaining modules serving all other I/O

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

5. Which XIV system feature increases the level of reliability of the system?

A) protected cache
B) snapshots
C) Quality of Service
D) solid state drives

Solutions: