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

2. You have just allocated four 3TB LUNs from a Hitachi Unified Storage System to a set of ESX 4.x servers.
The VMware administrator can see volumes that are assigned to the servers from an older storage array,
but not the volumes you have just allocated. What is the most likely cause?

A) The FC switch ports need to be disabled/enabled to force the HBAs to re-login to the fabric.
B) This a newer storage array with an older version of ESX so the HBA drivers need to be updated.
C) ESX 4.x servers cannot recognize volumes that are 2TB or larger.
D) The rescan function in VMware is not working, so both servers need to be rebooted.

3. An administrator wants to install Hitachi Dynamic Link Manager (HDLM) on a Solaris server. Which two
are required before performing the installation? (Choose two.)

A) The processes of all applications accessing the devices to be managed by HDLM must be terminated.
B) A valid HDLM license must be obtained.
C) The server must have IPv6 disabled.
D) The server must be in a dual path configuration.

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

5. When performing an initial installation of a Hitachi Unified Storage system, which management tool must
be used to set the date and time?

A) Web Tool
B) Storage Navigator Modular 2
C) RAID Manager/CCI
D) Hitachi Command Suite

Solutions: