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HAT-680 Real Exam Questions

Hitachi Data Systems Qualified Professional - Storage Administration

101 questions available · Page 1 of 11

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Question 1 Single choice

You have a LUSE volume on a USP V storage system which is no longer used by any server.
Using Hitachi Device Manager, what must be done to release the LUSE volume?

  1. A

    The LUSE volume must be marked as "unused".

  2. B

    The LUSE volume must be marked as "invalidated".

  3. C

    You must format the LUSE volume first to delete all the data on it.

  4. D

    You must release all defined data paths for this LUSE volume.

Show answer and explanation

Correct answer: D

Question 2 Single choice

How does a storage administrator obtain the Hitachi Device Manager (HDvM) CLI software?

  1. A

    Install it from the Hitachi Command Suite DVD.

  2. B

    Install the RAID Manager/CCI software.

  3. C

    Download it from the HDvM server.

  4. D

    Download the HDvM CLI license.

Show answer and explanation

Correct answer: C

Question 3 Multiple choice

Which two Hitachi Device Manager CLI commands will prevent simultaneous updates on a storage array? (Choose two.)

  1. A

    AddArrayReservation

  2. B

    DeleteArrayLock

  3. C

    ModifyArrayReservation

  4. D

    GetArrayLock

Show answer and explanation

Correct answers: A, C

Question 4 Multiple choice

A customer is planning to purchase Hitachi modular systems to be virtualized behind their VSPs in an environment with Linux, Windows and VMWare servers.

Which two benefits will the Hitachi Command Suite offer to this customer? (Choose two.)

  1. A

    a specific set of management programs for each Hitachi storage system type

  2. B

    a unified management framework across all Hitachi storage platforms

  3. C

    interoperability software modules converting unstructured data to structured data

  4. D

    management of file, block and content data under a common set of tools

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Correct answers: B, D

Question 5 Multiple choice

You plan to disable automatic tier relocation of certain HDT volumes in Hitachi Dynamic Tiering.

What are two valid reasons for doing this? (Choose two.)

  1. A

    To ensure prioritization of a volume whose I/O activity is constant.

  2. B

    To ensure prioritization of a volume whose size is growing exponentially.

  3. C

    To ensure prioritization of a volume whose I/O activity varies greatly.

  4. D

    To ensure prioritization of a critical volume whose I/O workload is low.

Show answer and explanation

Correct answers: C, D

Question 6 Single choice

Which feature allows the naming of LDEVs using Hitachi Device Manager CLI?

  1. A

    LDEV Naming

  2. B

    LDEV Labeling

  3. C

    LDEV Tagging

  4. D

    LDEV Editing

Show answer and explanation

Correct answer: B

Question 7 Multiple choice

A customer is using the Hitachi Command Suite (HCS) to manage their storage environment comprising VSPs, HUS and HNAS platforms connected to Linux and Windows servers. Several of the HUS systems, as well as competitors arrays are virtualized behind the VSPs.

Which three functions does the HCS provide in this environment? (Choose three.)

  1. A

    common GUI

  2. B

    server virtualization software

  3. C

    integration of all third-party arrays in a global storage management framework

  4. D

    single management tool for all Hitachi storage systems and virtualized storage environments

  5. E

    common CLI

Show answer and explanation

Correct answers: A, D, E

Question 8 Multiple choice

You are using the Allocate Storage wizard in Hitachi Device Manager and you want to identify the storage.

Which two specification options are available? (Choose two.)

  1. A

    volume type

  2. B

    volume label

  3. C

    volume free space

  4. D

    volume location

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Correct answers: A, D

Question 9 Single choice

A Hitachi Dynamic Provisioning pool has exceeded a threshold and the administrator wants to reduce the pool usage below the threshold setting.

How would this be achieved?

  1. A

    Expand pool volumes.

  2. B

    Set Host Mode option 40.

  3. C

    Use Zero Page Reclaim.

  4. D

    Shrink some DP Vols.

Show answer and explanation

Correct answer: C

Question 10 Multiple choice

What are two network requirements for an operational Hitachi Device Manager installation? (Choose two.)

  1. A

    a TCP/IP network for connection between the management server and the management clients

  2. B

    a TCP/IP network for connection of the management server to the storage systems

  3. C

    a Fiber Channel connection between the management server and the storage systems

  4. D

    a public subnet for connection between the management server and the management clients

Show answer and explanation

Correct answers: A, B