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E20-307 Real Exam Questions

VMAX3 Solutions Specialist Exam for Implementation Engineers

71 questions available · Page 1 of 8

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Question 1 Single choice

Which type of emulation is used for thin devices provisioned to an eNAS Storage Group in VMAX3?

  1. A

    EMBEDDED_NAS_FBA

  2. B

    FBA

  3. C

    CELERRA_FBA

  4. D

    eNAS_FBA

Show answer and explanation

Correct answer: C

Question 2 Single choice

A storage administrator received a request from one of the company's business units to provision a 500 GB volume with a Gold Service Level from VMAX3 array to an existing virtual machine. The administrator leverages Virtual Server Management from Unisphere for VMAX to provision this volume.

How will the new volume be accessed by the virtual machine?

  1. A

    RDM

  2. B

    Virtual disk

  3. C

    Datastore

  4. D

    VVOL

Show answer and explanation

Correct answer: B

Question 3 Single choice

A storage administrator requires a report of used capacity on a VMAX3.
In Unisphere for VMAX under which menu drop-down can a capacity report be exported?

  1. A

    System

  2. B

    Home

  3. C

    Storage

  4. D

    Host

Show answer and explanation

Correct answer: C

Explanation

Reference
https://ireland.emc.com/collateral/TechnicalDocument/docu68851.pdf
(p.198)

Question 4 Single choice

Which command enables SRDF/A single session consistency protection?

  1. A

    symrdf enable consistency

  2. B

    symrdf set mode async

  3. C

    symcg enable

  4. D

    symrdf enable

Show answer and explanation

Correct answer: C

Question 5 Single choice

What does the Reserved Capacity parameter for a VMAX3 Storage Resource Pool (SRP) reserve?

  1. A

    Absolute capacity, in GB, for thin device host allocations.

  2. B

    Absolute capacity, in GB, for TimeFinder SnapVX snapshots.

  3. C

    Percentage of SRP for thin device host allocations.

  4. D

    Percentage of SRP for TimeFinder SnapVX snapshots

Show answer and explanation

Correct answer: C

Explanation

Reference https://uk.emc.com/collateral/technical-documentation/docu55786-vmax3- service-level-pro- fully-automated-storage.pdf (p.27)

Question 6 Single choice

Both the R1 and R2 devices are being accessed after an SRDF Split operation.

Where will the changes made to these devices be reflected in the SRDF Query output shown in the exhibit?

  1. A

    1 and 3

  2. B

    1 and 4

  3. C

    2 and 3

  4. D

    2 and 4

Show answer and explanation

Correct answer: C

Question 7 Single choice

SRDF/A has been enabled between two VMAX3 arrays.

What will the RDF pair state be if there is a permanent loss of all RDF links?

  1. A

    Partitioned

  2. B

    Split

  3. C

    Suspended

  4. D

    Consistent

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Correct answer: C

Question 8 Single choice

Which type of RDF devices are used in Cascaded SRDF environments?

  1. A

    R11

  2. B

    R12

  3. C

    R21

  4. D

    R22

Show answer and explanation

Correct answer: C

Explanation

Reference
https://storageengineer.blogspot.com/2013/06/srdf-devices.html

Question 9 Single choice

VMAX3 devices 00011 through 00014 are 100 GB in size.

What will the size of the devices be after the symdev modify -devs 00011:00014 -cap 400 -captype gb -tdev SYMCLI command is executed?

  1. A

    200 GB

  2. B

    400 GB

  3. C

    500 GB

  4. D

    1600 GB

Show answer and explanation

Correct answer: A

Question 10 Drag & drop

DRAG DROP

What is the correct sequence of actions performed by a VMAX3 when the SRDF failback command is executed?

Question diagram
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Correct answer diagram