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IBM C4090-456 Exam Syllabus Topics:

IBM XIV Storage System Technical Solutions V4 Sample Questions:

Question 1

XIV hardware architecture optimizes the usage of snapshots by:

A. a redirect-on-write operation using all drives in any snapshot process
B. offering the possibility to isolate the drives used for snapshot target space
C. limiting the total number of snapshots to a maximum of 128 active pairs
D. copying data on write so the production drives are not over stressed

Question 2

Which of the following external power inputs is available for full power redundancy of a six module XIV system?

A. four 20 amp, three-phase
B. six 20 amp, single-phase
C. two 30 amp, three-phase
D. four 30 amp, single-phase

Question 3

Expanding an XIV system with more modules for capacity and performance is an example of what?

A. a grid-based storage architecture
B. a clustered dual controller architecture
C. a non-shared cluster architecture
D. an active-passive controller architecture

Question 4

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

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

Question 5

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

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

Solutions: