IBM XIV Storage System Technical Solutions V4 - C4090-456 FREE EXAM DUMPS QUESTIONS & ANSWERS]

Question 1

Which activity occurs after upgrading an XIV system from nine modules to ten modules?

A. pools are reconfigured to include an additional twelve disks, less the hot spares B. the system redistributes all data across all drives C. the default extent size is increased by 11.1% or 512K, whichever is smaller D. the SAN fabric is re-zoned to include another two host ports

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Correct Answer: B Vote an answer

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

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Correct Answer: C Vote an answer

Question 3

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

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

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Correct Answer: C Vote an answer

Question 4

A storage administrator wishes to migrate a legacy storage controller's volumes to a SAN Volume Controller. The controller can provide SAS or iSCSI host connections only. An XIV is virtualized by the SVC and has been upgraded from six modules to nine to assist with the migration project. The additional storage is yet to be presented to the SVC.
What would be the best method to transfer the data?

A. Present volumes to the XIV using iSCSl. Migrate the volumes to XIV using the availablecapacitythen to the SVC. B. Present volumes to the XIV using SAS. Migrate the volumes to XIV using the availablecapacitythen to the SV C. Present volumes to the SVC using iSCSl. Mirror the volumes onto the newly-presented XIV storage. D. Presentvolumestothe SVC using SAS. Mirrorthe volumes onto the newly-presented XIV storage.

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Correct Answer: A Vote an answer

Question 5

Compared to other IBM storage offerings, which of the following is unique functionality on an XIV system?

A. prevents hotspots B. reduced single points of failure C. IP based replication D. ability to take snapshots

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Correct Answer: A Vote an answer

Question 6

A customer builds a solution with SAN Volume Controller and an XIV system.
For best performance how many paths should be used between the SVC and the XIV system?

A. each I/O group must have one path to all available XIV interface modules B. each SVC cluster should have one path to all available XIV interface modules C. all XIV interface module FC ports should be zoned to each FC port on each SVC node D. each SVC port should have one path to all available XIV interface modules

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Correct Answer: D Vote an answer

Question 7

What is the maximum period of time the XIV system stores detailed host and volume data?

A. 30days B. 90days C. 365days D. forever

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Correct Answer: A Vote an answer