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E22-258 Real Exam Questions

XtremIO 3.x Flash Storage Solutions

71 questions available · Page 1 of 8

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Question 1 Single choice

What should be configured to support XtremIO arrays on Solaris hosts?

  1. A

    SSD parameters in the /etc/system file

  2. B

    System-wide parameters in the /etc/ssd file

  3. C

    A timeout value of 150 ms for SSD operations

  4. D

    A maximum queue depth of 1024 for SSDs

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Correct answer: A

Question 2 Single choice

What is the default disk configuration for an XtremIO DAE?

  1. A

    A single disk group in a 23+2 configuration

  2. B

    Five private RAID Groups of five disks each

  3. C

    A group of 12 disks and another of 13 disks

  4. D

    Three private RAID Groups of eight disks each with a spare

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Correct answer: A

Question 3 Single choice

How many XtremIO Management Servers (XMS) are required for a single four X-Brick cluster?

  1. A

    1

  2. B

    2

  3. C

    3

  4. D

    4

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Correct answer: A

Question 4 Single choice

Which XtremIO configuration parameter is required when selecting the fresh install option?

  1. A

    Storage Controller Management IP address

  2. B

    XMS Management IP address

  3. C

    System name

  4. D

    Infiniband Management IP address

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Correct answer: A

Question 5 Single choice

What should I/O elevators be configured to for XtremIO storage?

  1. A

    noop

  2. B

    random

  3. C

    optimize

  4. D

    lowseek

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Correct answer: A

Question 6 Single choice

Which technology is used in the XtremIO Snapshot feature?

  1. A

    Redirect on Write

  2. B

    Copy on First Write

  3. C

    Full data copy

  4. D

    Full metadata copy

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Correct answer: A

Question 7 Single choice

The XtremIO Management Server (XMS) reports that an XtremIO cluster has a compression ratio of 1.7:1 and a deduplication ratio of 3.1:1.

What is the reported data reduction ratio?

  1. A

    0.6:1

  2. B

    1.8:1

  3. C

    4.8:1

  4. D

    5.3:1

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Correct answer: D

Question 8 Single choice

You have been asked to install an XtremIO dual X-Brick array.
In which guide is the required network firewall information located to inform the customer?

  1. A

    Site Preparation Guide

  2. B

    Operations Guide

  3. C

    Software Installation and Upgrade Guide

  4. D

    Installation Summary Guide

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Correct answer: A

Question 9 Single choice

Why does XtremIO thin provisioning cause no performance degradation?

  1. A

    All metadata is kept in Storage Controller RAM

  2. B

    All metadata is kept in Storage Controller SSDs

  3. C

    SSDs perform metadata reads at sub-millisecond latency

  4. D

    SSDs perform metadata writes at sub-millisecond latency

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Correct answer: A

Question 10 Single choice

Which RJ45 Ethernet interface should be used to initially configure an XtremIO storage controller?

  1. A

    RJ45 Ethernet interface 1

  2. B

    RJ45 Ethernet interface 2

  3. C

    RJ45 Ethernet interface 3

  4. D

    RJ45 Ethernet interface 4

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Correct answer: B