Free IBM C4090-456 Exam Dumps Questions & Answers

Where is the XIV VSS Provider software installed?

• A.on the XIV maintenance module
• B.on the interface modules of the XIV system
• C.as a plug-in to the XIV GUI
• D.on servers or VMs connected to the XIV system

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

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

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.add Fibre Channel adapters to the host and balance volumes across the adapters
• C.the databases should be reorganized into larger volumes on the XIV and not striped within the OS
• D.implement static load balancing and increase the queue depth of the host adapters

Following a proof of concept, it has been determined that an eleven module XIV system containing 2 TB drives is the minimum configuration suitable for the workload, which consists primarily of random writes. The customer is concerned about the upfront costs so the sales representative has suggested a six module system with 3 TB drives, which would also provide ample capacity for the application.
Given the customer's concerns, which configuration should the technical specialist recommend to best meet the customer's requirements?

• A.a nine module XIV with 2 TB drives and six CoD activations
• B.an eleven module XIV with 3 TB drives and six CoD activations
• C.an eleven module XIV with 2 TB drives and eight CoD activations
• D.a six module XIV with 3 TB drives and SSDs

How much space will an XIV snapshot allocate from the pool's snapshot reserve when its created?

• A.0 GB per snapshot
• B.17GBperpool
• C.17GB pervolume
• D.17GBpersnapshot