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IBM C4090-456 Exam Syllabus Topics:

IBM XIV Storage System Technical Solutions V4 Sample Questions:

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

2. Which activity occurs after upgrading an XIV system from nine modules to ten modules?

A) the default extent size is increased by 11.1% or 512K, whichever is smaller
B) the system redistributes all data across all drives
C) pools are reconfigured to include an additional twelve disks, less the hot spares
D) the SAN fabric is re-zoned to include another two host ports

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

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

4. When considering total cost of ownership what is a benefit of IBM XIV system?

A) eliminates any down time during the implementation
B) bundles all features in the main license so there are no hidden +- costs
C) eliminates human error during administration
D) gives the option to license only the required number of hosts

5. Which statement is true when comparing an XIV Model 214 to Model 114?

A) Model 214 adds SSD caching functionality.
B) Model 214 supports more HDDs in a fully configured system.
C) Model 214 adds aniSCSI 10Gb/s configuration option.
D) Model 214 supports ECoFconnectivityover dedicated ports.

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