IBM C4090-456

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IBM C4090-456 Exam Syllabus Topics:

IBM XIV Storage System Technical Solutions V4 Sample Questions:

1. 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 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.
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 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.

2. Which of the following external power inputs is available for full power redundancy of a six module XIV system?

A) six 20 amp, single-phase
B) two 30 amp, three-phase
C) four 30 amp, single-phase
D) four 20 amp, three-phase

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

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

4. Which XIV system feature increases the level of reliability of the system?

A) Quality of Service
B) protected cache
C) snapshots
D) solid state drives

5. A customer demands NES and block access to their storage solution, but is also interested in XIV technology. The customer wants to have easy administration for both NES and block. They would also like to combine the solution with an IBM HSM solution. The initial need for storage is 500 TB and grows by 500 TB every five months.
What would be the best solution for this customer?

A) SONAS gateway with XIV as back-end storage
B) AIX with the XIV connected to it
C) N series gateway with XIV as back-end storage
D) SVC with the XIV connected to it

Solutions: