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IBM C4090-456 Exam Syllabus Topics:

IBM XIV Storage System Technical Solutions V4 Sample Questions:

1. The XIV host attachment kit provides which of these functions?

A) allows host copy operations to be offloaded to the XIV
B) automates replication failover operations
C) adjusts host operating system performance parameters
D) provides a multipathing driver for the operating system

2. How does the data migration feature enable the smooth transition of a host to an XIV system?

A) By deploying an XIV unique implementation of VMware's Storage vMotion that has been engineered to support Linux and Microsoft hosts natively.
B) By using the XIV Host Attachment Kit (HAK) migration software to send concurrent writes to the legacy storage system and the IBM XIV simultaneously, while copying the older data across in the background.
C) By enabling everyXIV PC portto be both target and initiator so that host requests are received bythe XIV and retransmitted to the legacy storage system simultaneously.
D) By connecting the host to the XIV, which then provides access to the data on the legacy storage system while transparently copying the data across in the background.

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

4. What is a benefit to IBM's XIV SSD transparent read cache?

A) SSD read cache is a separate tier
B) real-time cache algorithm; not policy-based
C) performance improvement in sequential reads
D) SSD drives add usablecapacitywithout user intervention

5. Which of the following is a benefit of the XIV system's hardware architecture?

A) InfiniBand connectivity between XIV systems for extended distance mirroring
B) SAS bus interface allows the use of industry standard Enhanced IDE drives
C) mirrored interface modules provide increased data throughput
D) data distributed across all hard drives improves system throughput

Solutions: