HAT-420 by Hitachi Valid Free Exam Practice Test

Question 1

Yesterday you allocated five new LUNs for a Solaris 9 host. Today the Solaris administrator is concerned
about corrupt data because the host system log has several entries referencing the new LUNs with the
following message: "Corrupt label; wrong magic number". What do you tell the Solaris administrator?

A. That the Master Boot Record (MBR) on one of the disks has become corrupt and that rebooting the
host should fix the issue. B. That the message is normal for new LUN allocations and that they just need to label the new partitions. C. That they need to configure Device Mapper for the newly allocated LUNs. D. That they should shut down the server right away and that you will allocate five new LUNs.

Correct Answer: B

Question 2

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 no longer require a DM-LU. B. TrueCopy and ShadowImage will require less cache in the systems. C. The size of the DM-LU used for ShadowImage and TrueCopy will be reduced by about 50%. D. The granularity of differential data being copied to the replication target has improved.

Correct Answer: B,D

Question 3

You must install Hitachi Dynamic Link Manager (HDLM) on a customer's server but you are not sure if the
server HBA types and versions are supported. Which two actions would help you find this information?
(Choose two.)

A. Call the HDS Customer Support Center. B. Check the HDLM release notes. C. Access the HiFire Web site to verify the configuration. D. Check the HDLM Concepts and Planning Guide.

Correct Answer: B,C

Question 4

What are two characteristics of the Modular Volume Migration feature? (Choose two.)

A. It formats the source LU when migration is complete. B. It can be managed by RAID Manager/CCI. C. It can be managed by Storage Navigator Modular 2 GUI. D. It requires Copy-on-Write to be enabled on the array.

Correct Answer: B,C

Question 5

Your Hitachi Unified Storage (HUS) customer uses the latest release of Hitachi Command Suite (HCS)
products, Device Manager and Tuning Manager. Which tab in the HCS main view is available to your
customer for viewing HUS system performance data?

A. Performance B. Metrics C. Monitor D. Analytics

Correct Answer: D

Question 6

You are upgrading a Hitachi Unified Storage (HUS) system with the File Module option. Which
combination is required to support this upgrade?

A. FC connectivity between the HUS and the File Module plus the Hitachi BOS N software bundle B. FCoE connectivity between the HUS and the File Module plus the Hitachi BOS F software bundle C. FC connectivity between the HUS and the File Module plus the Hitachi BOS F software bundle D. 10GbE connectivity between the HUS and the File Module plus the Hitachi BOS M software bundle

Correct Answer: C

Question 7

Which three access protocols are supported on the Hitachi Unified Storage File Module? (Choose three.)

A. NFS B. FCOE C. CIFS D. iSCSI E. NCP

Correct Answer: A,C,D

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