Hitachi Data Systems Certified Professional - Modular storage installation

Question 1

A customer has requested your help to find out where a Hitachi Unified Storage (HUS) system's FC port
0 A connects into their SAN. How can you find this information?

A. Use the SNM2 Advanced Settings to determine the WWPN of the switch port.

B. Use the switch name server to find the HUS WWPN.

C. Use the HUS Web tool to report the switch WWN and port number.

D. Use Device Manager to determine where the HUS port is connected to.

Correct Answer: B

Question 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. Hitachi Dynamic Link Manager

B. Multipath I/O (MPIO)

C. Multiplexed I/O (MPxIO)

D. Device Mapper

Correct Answer: A,D

Question 3

A customer wants to configure a specific 5GB LUN for the fastest possible response time on a Hitachi
Unified Storage system. Which feature should be used?

A. Data Retention Utility

B. Cache Residency Manager

C. Cache Partition Manager

D. Volume Migration

Correct Answer: B

Question 4

You have just installed Hitachi Dynamic Link Manager on a Solaris server. What is the purpose of issuing
the "dlnkmgr view -sys" command?

A. It configures the alternate path.

B. It displays the alternate path.

C. It displays the configuration.

D. It displays the primary path.

Correct Answer: C

Question 5

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. The server must be in a dual path configuration.

C. The server must have IPv6 disabled.

D. A valid HDLM license must be obtained.

Correct Answer: A,D

Question 6

A customer uses TrueCopy and ShadowImage with Hitachi AMS2000 modular arrays. They are
interested in upgrading those systems to Hitachi Unified Storage (HUS). Which two benefits will the
customer have with HUS systems in this environment? (Choose two.)

A. TrueCopy and ShadowImage will require less cache in the systems.

B. The size of the DM-LU used for ShadowImage and TrueCopy will be reduced by about 50%.

C. The granularity of differential data being copied to the replication target has improved.

D. TrueCopy and ShadowImage will no longer require a DM-LU.

Correct Answer: A,C

Hitachi Data Systems Certified Professional - Modular storage installation - HAT-420 Exam Practice Test

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