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

1. What allows firmware to be updated non-disruptively on the Hitachi Unified Storage systems?

A) Firmware updates only affect the first five drives and no controller reboot is required.
B) Firmware updates are performed in less than the host I/O timeout value.
C) Host connectivity to both controllers established using multi-pathing software.
D) While one controller is rebooting, the other handles all host operations.

2. A customer wants to create a multi-path environment for a specific Redhat Linux application on a Hitachi
Unified Storage system. They have created Host Groups on all of the available ports and mapped the
logical units accordingly. Which two multi-pathing options can be used for active/active connectivity?
(Choose two.)

A) Multiplexed I/O (MPxIO)
B) Multipath I/O (MPIO)
C) Device Mapper
D) Hitachi Dynamic Link Manager

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) Copy-on-Write Snapshot and TrueCopy Extended Distance no longer require a data pool for
differential data.
D) LU quick and normal format speeds are increased.

4. Which two features make use of the Memory Management Layer in a Hitachi Unified Storage system?
(Choose two.)

A) Quick Format
B) Normal Format
C) Cache Residency
D) ShadowImage

5. Which two operations can be performed with the Web utility on a Hitachi Unified Storage system?
(Choose two.)

A) Perform an online microcode update.
B) Install license keys.
C) Take a simple trace.
D) Perform an offline microcode update.

Solutions: