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IBM C4090-456 Exam Syllabus Topics:

IBM XIV Storage System Technical Solutions V4 Sample Questions:

Question 1

Which statement is true about the XIV migration?

A. Data can be migrated without any host interruption.
B. The customer must also purchase a SAN Volume Controller.
C. The customer must be aware that a short period of host downtime is needed.
D. Before commencing migration the optional license must be installed.

Question 2

A customer reports performance problems on an XIV Gen3 system. After further analysis of performance statistics, it appears that latency is high for reads but writes are acceptable. I/O size is generally small, with more writes than reads. Which option is likely to help the situation?

A. install ECoE adapters in the host
B. installSSDsintheXIVsystem
C. enable IBM Easy Tier on the volumes
D. implementvolume striping on the host

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 the fastest way to see which volume is receiving the most IOPS on the XIV?

A. open XIV GUI and select the first 12 volumes, and then next 12 and so on
B. openXIVTopinthedefaultview
C. run XCLI command xcii volume_max_iops_list
D. opentheXIV GUI and checkthe volume view

Question 5

XIV hardware architecture optimizes the usage of snapshots by:

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

Solutions: