IBM C4090-456 : IBM XIV Storage System Technical Solutions V4

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IBM XIV Storage System Technical Solutions V4 Sample Questions:

1. For optimum redundancy, how many paths between the host and a 15 module XIV should be configured for each LUN?

A) 6 paths
B) 12 paths
C) 4 paths
D) 2 paths

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

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

3. When does XIV Gen3 SSD caching significantly improve performance?

A) for large block, sequential read I/O workloads
B) for small block, sequential write I/O workloads
C) for small block, random read I/O workloads
D) for GPES random workloads

4. In a six module XIV system, I/O activity involving a specific logical volume is handled by how many spindles?

A) 108
B) 180
C) 36
D) 72

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

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

Solutions: