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IBM C4090-456 Exam Syllabus Topics:

IBM XIV Storage System Technical Solutions V4 Sample Questions:

1. Which statement is true about the XIV migration?

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

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

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

3. Which XIV system feature simplifies creation of the XIV volume?

A) storage pools
B) SSD caching
C) data distribution algorithms
D) thin provisioning

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

5. How does the XIV system protect data arriving from hosts?

A) MPIO distributes a single I/O down multiple paths to different XIV modules
B) data is written to a single module before acknowledgement to the host
C) each module internally mirrors its cache to a special segment of memory
D) all data is written to cache in two modules and then acknowledged to the host

Solutions: