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Hitachi Data Systems Certified Professional - Modular storage installation Sample Questions:

1. Hitachi Dynamic Link Manager is being used with a Hitachi Unified Storage system in a multi-path
environment with intense sequential I/Os. What are two recommended load-balancing algorithms?
(Choose two.)

A) least blocks
B) least I/Os
C) extended round-robin
D) extended least I/Os

2. What are two characteristics of the Modular Volume Migration feature? (Choose two.)

A) It formats the source LU when migration is complete.
B) It can be managed by RAID Manager/CCI.
C) It can be managed by Storage Navigator Modular 2 GUI.
D) It requires Copy-on-Write to be enabled on the array.

3. What are two advantages of the Memory Management Layer (MML) in Hitachi Unified Storage systems?
(Choose two.)

A) The DM-LU size is automatically adjusted depending upon the number of copy pairs.
B) Copy-on-Write Snapshot and TrueCopy Extended Distance no longer require a data pool for
differential data.
C) LU quick and normal format speeds are increased.
D) Metada for MML-supported functions is copied to cache only when needed for processing.

4. Which three steps must be completed to enable secure access to LUs? (Choose three.)

A) Enable Host Group security.
B) Add host WWNs to the Host Group.
C) Add Fibre Channel ports.
D) Map LUs to the Host Group.
E) Set Multi-path Mode.

5. What are two characteristics of the active/active architecture on the Hitachi Unified Storage (HUS)
systems? (Choose two.)

A) Controller workload balancing is managed by the HUS system.
B) Multiple ports from the same controller are required to support the active/active feature.
C) Firmware upgrades are non-disruptive even with one path from a host.
D) HDLM needs to be used to benefit from the active/active feature.

Solutions: