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IBM C4090-456 Exam Syllabus Topics:

IBM XIV Storage System Technical Solutions V4 Sample Questions:

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

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

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

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

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

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

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

5. PowerVM is a requirement for XIV host attach to which of the following operating systems?

A) VMware
B) LinuxonSystemz
C) AIX
D) IBMi

Solutions: