High efficiency

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

1. You have to replace a Cache Backup Battery online on a Hitachi Unified Storage system. Which two
statements are correct? (Choose two.)

A) You should not perform any replacement while the green READY LED on the front of the Controller
Box is blinking at high speed.
B) You should only perform the replacement while the green READY LED on the front of the Controller
Box is blinking at high speed.
C) You must complete the replacement within a certain time frame.
D) When the power is turned off during the replacement, user data on the cache that has not been written
will be backed up to flash memory.

2. A Hitachi Unified Storage system is connected to a Solaris server. If you want to optimize performance for
the host I/Os, how do you determine the appropriate queue depth value?

A) Using the Host installation guide for Fibre Channel.
B) The value is set according to the results of the initial SCSI inquiry.
C) Use the operating system default value.
D) Set queue depth to 1.

3. What is the purpose of the System Assurance documentation?

A) to inform a channel partner that equipment is available for shipment
B) to guarantee that Hitachi Data Systems equipment is insured during transportation
C) to validate configuration changes for customers with a premium service contract
D) to ensure accurate and complete record of pre-installation data

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

5. Which two operations can be performed using Storage Navigator Modular 2 on a Hitachi Unified Storage
system? (Choose two.)

A) Run the Initial Setup Wizard.
B) Display Disk Management properties.
C) Create Logical Units.
D) Set persistent binding.

Solutions: