Exam Details

  • Exam Code
    :E20-807
  • Exam Name
    :Expert - VMAX All Flash and VMAX3
  • Certification
    :EMC Certifications
  • Vendor
    :EMC
  • Total Questions
    :72 Q&As
  • Last Updated
    :May 29, 2025

EMC EMC Certifications E20-807 Questions & Answers

  • Question 61:

    Which RDF mode is active during the Non-Disruptive Migration Cutover Ready state?

    A. Asynchronous

    B. Pass-through

    C. Adaptive Copy

    D. Synchronous

  • Question 62:

    What is an accurate statement about D@RE on a VMAX3 array?

    A. FASTX external storage is not encrypted

    B. System metadata is never encrypted

    C. Existing data can be encrypted in place

    D. Global Memory always encrypted

  • Question 63:

    SRDF/A MSC has been configured between two sites. There are two VMAX3 arrays at the source site and two VMAX3 arrays at the target site. An SRDF/A MSC trip event has occurred. What happens if the Receive Delta Set on one of the target arrays is incomplete?

    A. Partial Receive Delta Set data is applied

    B. Receive Delta Set data is discarded

    C. Session is marked as Cleanup required

    D. Session is marked as Partitioned

  • Question 64:

    FAST.X needs to be configured on a VMAX3 array to access LUNs on an XtremIO X-Brick. In addition, existing data on the LUNs has to be preserved and made available for host access.

    How can this be accomplished?

    A. By externally provisioning the LUNs

    B. By incorporating the LUNs

    C. By zoning the host HBAs to the VMAX3 array FE ports

    D. By zoning the host HBAs to the VMAX3 array DX ports

  • Question 65:

    SRDF/Metro has been deployed between two data centers. SRDF/Metro is operating normally. Maintenance tasks at the R1 data center require the array to be offline.

    Which SRDF operation should be executed on the Metro RDF pairs to facilitate the planned outage without affecting application I/O?

    A. Failover

    B. Split with bias set to R2

    C. Suspend with bias set to R2

    D. Swap

  • Question 66:

    What is requirement when setting up a Composite Group (CG) for SRDF/Star in an open systems environment?

    A. Composite Group is created with the Star Build CG action

    B. Composite Group is created with the type set to ANY

    C. Recovery group assignments should match the recovery groups defined in the Star Options file

    D. Names assigned to RDF groups match the site names in the Star Options file

  • Question 67:

    What is a Dell EMC recommended best practice when connecting CloudArray to a VMAX3?

    A. Hosts should average at least 2,500 IOPS

    B. Internal SRP should be used

    C. Host I/O limits should be used

    D. Host I/O limits should not be used

  • Question 68:

    SRDF/Metro has been deployed. What is the state and external identity of the R2 devices after initial synchronization has completed?

    A. State: Read/Write Identity: R1 Identity

    B. State: Read/Write Identity: Original Identity

    C. State: Write Disabled Identity: Original Identity

    D. State: Write Disabled Identity: R1 Identity

  • Question 69:

    What is a key difference between SRDF/Metro and SRDF/S?

    A. SRDF/Metro: R1 devise is host accessible, R2 is red-only SRDF/S: R1 is host accessible, R2 is write disabled

    B. SRDF/Metro: R1 and R2 devices are host accessible at the same time SRDF/S: R1 devices are host accessible, R2 devices are write disabled

    C. SRDF/Metro: R2 can be larger than R1 SRDF/S R2 cannot be larger than R1

    D. SRDF/Metro: Requires a third array for any witness functionality SRDF/S: Does not require a third array

  • Question 70:

    What is the best practice for FA utilization in a VMAX3 array?

    A. 50% busy with two engines

    B. 50% busy with more than two engines

    C. 50% busy with one engine

    D. 50% busy with two or more engines

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