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

2. A customer wants to migrate data from existing modular storage arrays to a newly acquired Hitachi
Unified Storage system. To prepare for the storage migration, you have been asked to collect operation
data that encompasses multiple storage systems and their attached hosts. Which tool would you use?

A) auperfmon
B) raidcom
C) HiPAST
D) SE Console

3. A customer has installed a Hitachi Unified Storage (HUS) system with only port 0A connected to a Linux
server. There is a video streaming application running on the server. You have to perform a firmware
update using SNM2. What will happen when the update is started?

A) The firmware update process will abort if the HUS does not have at least 5 seconds of no I/O activity on
port 0A within 5 minutes.
B) The firmware update will fail because the HUS active/active controller feature checks for alternate
pathing.
C) The Linux server will time-out because there is no alternate path.
D) The Linux application will continue to function non-disruptively.

4. 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) Device Mapper
C) Multipath I/O (MPIO)
D) Hitachi Dynamic Link Manager

5. A customer will be implementing a Hitachi Unified Storage File Module two-node NAS cluster with one
SMU. How many power connections are necessary?

A) 6
B) 3
C) 4
D) 5

Solutions: