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IBM C4090-456 Exam Syllabus Topics:

IBM XIV Storage System Technical Solutions V4 Sample Questions:

Question 1

How many active module interconnects are there between data modules on an XIV system Model A14?

A. four Ethernet connections
B. one Ethernetconnection
C. sixEthernetconnections
D. two Ethernetconnections

Question 2

The XIV Gen3 module interconnect implements which technology?

A. iSOSI
B. PC
C. InfiniBand
D. SAS2JJ

Question 3

Which statement is true about the XIV migration?

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

Question 4

A customer complains that their SAP database now performs worse than it did before being migrated from traditional RAID storage to XIV. The database was configured using 20 x 200GB XIV LUNs presented to an AIX 6 host OS where they are concatenated and striped into six volumes for the databases and logs. No changes have been made in the transition to XIV.
What if anything can be done to improve performance?

A. implement static load balancing and increase the queue depth of the host adapters
B. add Fibre Channel adapters to the host and balance volumes across the adapters
C. the SAP volumes should be put into a QoS Performance Class
D. the databases should be reorganized into larger volumes on the XIV and not striped within the OS

Question 5

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

Solutions: