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IBM 000-456 Exam Syllabus Topics:

IBM XIV Storage System Technical Solutions V4 Sample Questions:

1. On XIV what factors are important to successfully implement asynchronous mirroring?

A) data change rate, number of volumes less than 256, required RPO
B) data change rate, available bandwidth and interval
C) latency between the remote and local XIV, number of volumes must be less than 256
D) each mirror must have the same RPO and sync interval within the same storage pool

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

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

3. XIV hardware architecture optimizes the usage of snapshots by:

A) offering the possibility to isolate the drives used for snapshot target space
B) copying data on write so the production drives are not over stressed
C) limiting the total number of snapshots to a maximum of 128 active pairs
D) a redirect-on-write operation using all drives in any snapshot process

4. The modem installed in the XIV is used for what?

A) the Call Home feature
B) setting up modules
C) XRSCconnectivity
D) externally servicing the system

5. Based on best practice, what is the optimal number of SVC Fibre Channel connections to a full 15 module XIV?

A) connect the SVCto 12 XIV ports
B) connect the SVC to 9 XIV ports
C) connect the SVC to 6 XIV ports
D) connecttheSVCtol6XlVports

Solutions: