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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) least I/Os
C) least blocks
D) extended least I/Os

2. A storage administrator would like to connect 10 hosts into the same FC ports of a Hitachi Unified Storage
system. They are concerned that one host with high I/Os will impact the other hosts on the same FC ports.
Which HBA parameter should be set to limit the number of outstanding I/Os on each host?

A) queue depth
B) queue length
C) command depth
D) command length

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

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

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

5. A customer wants to start using ShadowImage on several of their existing Hitachi Unified Storage
systems. They would like a solution to centrally configure their Point-in-Time copies. Which product would
you recommend?

A) Business Continuity Manager
B) Hitachi Dynamic Replicator
C) Hitachi Replication Manager
D) Hitachi Universal Replicator

Solutions: