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

1. You have set Extended Round Robin on a server with intensive sequential I/O profile. Which two benefits
result from implementing this algorithm? (Choose two.)

A) tracks preloaded to cache
B) no tracks preloading on the system
C) blocks held permanent in Read Cache
D) efficient cache usage on the storage system

2. A customer wants to migrate Hitachi AMS2100 data to a newly acquired Hitachi Unified Storage (HUS)
system. Which statement about the migration is correct?

A) TrueCopy Extended Distance can be used for a non-disruptive migration between the AMS2100 and
the HUS.
B) Modular Volume Migration between the AMS2100 and the HUS can be used.
C) TrueCopy between the AMS2100 and the HUS can be used.
D) TrueCopy between the AMS2100 and the HUS cannot be used.

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) Metada for MML-supported functions is copied to cache only when needed for processing.
C) LU quick and normal format speeds are increased.
D) Copy-on-Write Snapshot and TrueCopy Extended Distance no longer require a data pool for
differential data.

4. What needs to be replaced in case of a local memory DIMM failure on a Hitachi Unified Storage
controller?

A) the local memory DIMM
B) the controller and the local memory DIMM
C) the controller
D) the controller, the local memory DIMM and the cache DIMMs

5. Which two Program Products reserve cache in a Hitachi Unified Storage system when they are installed,
even if disabled? (Choose two.)

A) Cache Partioning Manager
B) ShadowImage
C) TrueCopy
D) TrueCopy Extended

Solutions: