Exam Details

  • Exam Code
    :E20-807
  • Exam Name
    :Expert - VMAX All Flash and VMAX3 Exam
  • Certification
    :DECE-Implementation Engineer
  • Vendor
    :EMC
  • Total Questions
    :72 Q&As
  • Last Updated
    :

EMC DECE-Implementation Engineer E20-807 Questions & Answers

  • Question 1:

    An organization plans to implement a VMAX3 solution using a two tier configuration. They are sensitive to data loss. the array will include:

    10 x Flash drives 144 x 10k drives Based on Dell EMC recommended best practices, how should the 10K drives be configured?

    A. 1 group RAID 6 (14+2)

    B. 2 groups RAID 6 (6+2)

    C. 2 groups RAID 5 (7+1)

    D. 4 groups RAID 5 (3+1)

  • Question 2:

    What is a requirement for Non-Disruptive Migration (NDM) to a VMAX All Flash or VMAX3 array?

    A. Application host connected through FC to both arrays

    B. Application host connected through FC to only the source array

    C. Individual NDM licenses on both arrays

    D. eManagement running on both arrays

  • Question 3:

    On a VMAX3 array, which SYMACL security concept controls a list of hosts with unique IDs?

    A. Access Control Entries

    B. Access Control Groups

    C. Access Control List

    D. Access Pools

  • Question 4:

    Which daemon must be running on the Unisphere for VMAX server to collect performance data?

    A. storstpd

    B. storapid

    C. storgnsd

    D. storsrvd

  • Question 5:

    A company has two VMAX3 arrays located 100 km apart. The arrays are configured with SRDF/S over Fibre Channel. Which Dell EMC technology will improve FC replication between sites?

    A. Fast Write

    B. Deduplication

    C. SiRT

    D. Write Acceleration

  • Question 6:

    What is a benefit of SRDF R22 devices in a VMAX3?

    A. Allows simultaneous replication of a source device to two different target devices

    B. Allows simulations replication of two source devices to the same target device

    C. Makes SRDF/Star more resilient

    D. Makes Cascaded SRDF more resilient

  • Question 7:

    Concurrent SRDF/Star has been implemented and Star protection has been enabled. The storage administrator wants to perform a planned switch of the workload to the Synchronous site. Which actions should the administrator perform before the switch?

    A. halt Star and then Disconnect both target sites

    B. Stop application I/O at the Workload site and then Halt Star

    C. Stop application I/O at the Workload site and then Disable Star

    D. Disable Star and then Halt Star

  • Question 8:

    On a VMAX3 array, for which type of workload does FlashBoost help in optimizing performance?

    A. Sequential Reads

    B. Sequential Writes

    C. Random Writes

    D. Random Reads

  • Question 9:

    In an SRDF/Metro environment, what is a requirement for an Array Witness?

    A. Witness RDF between the source and the target

    B. Witness RDF group on the witness array containing the source and the target SRDF/Metro devices

    C. One RDF group on the witness array to both the source and the target

    D. Two RDF groups on the witness array; one to the source and one to the target

  • Question 10:

    A VMAX3 storage group is not SLO compliant. No changes to the application I/O profile have occurred.

    Which factor may be responsible for the SLO compliance impact?

    A. storgnsd daemon was enabled

    B. Host queue depth setting was changed

    C. Increase write activity from the application

    D. Increased activity from other storage groups sharing the same ports/directions

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