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Hitachi Data Systems Implementation – Modular exam Questions and Answers

Question 1

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

Options:

A.

Metada for MML-supported functions is copied to cache only when needed for processing.

B.

LU quick and normal format speeds are increased.

C.

The DM-LU size is automatically adjusted depending upon the number of copy pairs.

D.

Copy-on-Write Snapshot and TrueCopy Extended Distance no longer require a data pool for differential data.

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Question 2

A customer has multiple cache partitions defined on a Hitachi Unified Storage system. They would like to change one of the partitions characteristics. Which three settings can be modified? (Choose three.)

Options:

A.

stripe size

B.

cache size

C.

segment size

D.

partition number

E.

owning controller

Question 3

You are using the Change Volume Capacity function of Storage Navigator Modular 2 (SNM2) to manage a Hitachi Unified Storage (HUS) system. Hitachi Dynamic Provisioning is not used. Which two operations can be performed? (Choose two.)

Options:

A.

Add additional LUs to an existing LUN.

B.

Release the first LU from a unified LUN.

C.

Grow a LUN by adding free space from any RAID Group.

D.

Shrink a LUN by releasing space back to the RAID Group.