Exam Details

  • Exam Code
    :E22-258
  • Exam Name
    :XtremIO 3.x Flash Storage Solutions
  • Certification
    :XtremIO 3.x Flash Storage Solutions
  • Vendor
    :EMC
  • Total Questions
    :71 Q&As
  • Last Updated
    :Apr 23, 2025

EMC XtremIO 3.x Flash Storage Solutions E22-258 Questions & Answers

  • Question 21:

    Which alerts can be selected when an XtremIO volume is created?

    A. Small IO (< 4 kB), VAAI TP

    B. Small IO (< 4 kB), VAAI SR

    C. Small IO (< 8 kB), VAAI TP

    D. Small IO (< 8 kB), VAAI SR

  • Question 22:

    What is a characteristic of XtremIO initiator groups?

    A. Contains only FC initiators or only iSCSI initiators

    B. Contains initiators from only one host

    C. Must contain all initiators from a host

    D. May contain only two initiators from any host

  • Question 23:

    What is the maximum volume size for an XtremIO cluster using 800 GB SSDs?

    A. 48 TB

    B. 70 TB

    C. 128 TB

    D. 256 TB

  • Question 24:

    Why do the 10 TB and 20 TB XtremIO X-Bricks have a different logical:physical capacity ratio?

    A. Storage Controllers on 20 TB X-Bricks keep more SSD metadata in memory

    B. Storage Controllers on 20 TB X-Bricks have a more efficient deduplication algorithm

    C. 400 GB SSDs do not support inline compression

    D. 800 GB SSDs do not support inline compression

  • Question 25:

    Which NMP policy is recommended for XtremIO volumes assigned to VMware hosts?

    A. Round Robin

    B. Fixed Path

    C. Most Recently Used

    D. Least Recently Used

  • Question 26:

    Why does XtremIO thin provisioning cause no performance degradation?

    A. All metadata is kept in Storage Controller RAM

    B. All metadata is kept in Storage Controller SSDs

    C. SSDs perform metadata reads at sub-millisecond latency

    D. SSDs perform metadata writes at sub-millisecond latency

  • Question 27:

    What is a characteristic of XtremIO iSCSI connectivity?

    A. Port 3260 must be used

    B. VLANs must be in the 0-127 range

    C. iSCSI ports must be on the management port subnet

    D. Only two iSCSI ports can be connected to a single host

  • Question 28:

    Which VAAI feature can prevent blue screens on Microsoft Windows VMs that use XtremIO storage?

    A. TPSTUN

    B. Space Reclamation

    C. Atomic Test and Set

    D. Extended Copy

  • Question 29:

    What should the maximum number of full clone operations be configured for a VMware ESXi host using XtremIO storage?

    A. Four times the number of X-Bricks

    B. Eight times the number of X-Bricks

    C. Sixteen

    D. Thirty-two

  • Question 30:

    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?

    A. 0.6:1

    B. 1.8:1

    C. 4.8:1

    D. 5.3:1

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