IBM C4090-456 Exam : IBM XIV Storage System Technical Solutions V4

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IBM C4090-456 Exam Syllabus Topics:

IBM XIV Storage System Technical Solutions V4 Sample Questions:

1. What is the online tool that should be checked for supported host interoperability?

A) 3310
B) IT Security
C) 1331 B 331

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

3. How does IBM XIV SSD technology provide longer life over competitors' use of SSD technology?

A) IBM SSDs are filled with write blocks of 1024kb in random I/O operations
B) patented wear-leveling algorithm designed for SSD longevity
C) hybrid algorithms combine features of SSDswith existing HDDsin the same unit
D) common off-the-shelf components minimize the use of SSDs for write environments

4. On an XIV system, what factor must be considered when using snapshots?

A) snapshots must be unlocked before restore
B) snapshots cannot be moved independently to another storage pool
C) 17 GB of hard capacity is immediately consumed at creation per snapshot
D) restoring a snapshot invalidates all earlier snapshots

5. A customer wants to know if a Solaris 9 with DMP 5.1 can be used in a configuration with a QLogic HBA. Where would this information be found?

A) IBM XIV InfoCenter
B) Raise an RPQ to clarify support
C) IBM XIV Architecture, Implementation and Usage Redbook
D) IBM System Storage Interoperation Center

Solutions: