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Exam Code: E20-807
Exam Name: Expert - VMAX All Flash and VMAX3 Exam
Certification Provider: EMC
Corresponding Certification: DECE - Implementation Engineer

Study with EMC : E20-807 Exam Torrent as your best preparation materials

E20-807

Updated: May 27, 2026

No. of Questions: 75 Questions & Answers with Testing Engine

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Who should take the Dell E20-807: Expert - VMAX All Flash and VMAX3 Solutions Exam

The Dell EMC Midrange Storage Solutions Specialist certification is mainly targeted to those candidates who want to build their career in the Midrange Storage Solutions domain. The Dell EMC Certified Specialist - Technology Architect - Midrange Storage (DECS) exam verifies that the candidate possesses the fundamental knowledge and proven skills in Dell EMC DECS-TA.

Reference: https://education.emc.com/_content/_common/docs/exam_descriptions/E20_807_VMAX3_Solutions_Expert_Exam.pdf

Dell E20-807: Expert - VMAX All Flash and VMAX3 Solutions Exam topics

Candidates must know the topics before they start preparation because it will help them solve the problems. Our E20-807 practice test and E20-807 practice exams will include the following topics. These are covered in our E20-807 exam dumps:

VMAX All Flash and VMAX3 Performance (36%)

  • Identify performance analysis methodology, relate performance measurements to I/O operations, identify workload characterization, and the implications of Little's Law
  • Identify and describe TimeFinder SnapVX and SRDF performance considerations
  • Performance analysis of frontend directors: Identify relevant metrics and solve performance issues
  • Performance analysis of cache and backend directors: Identify relevant metrics, investigate, and resolve performance issues
  • Perform performance-related administration tasks. Monitor the performance of VMAX All Flash/VMAX3 arrays and manage performance reports.
  • Describe the architecture of the VMAX All Flash and VMAX3 arrays from a performance perspective. Identify and explain VMAX All Flash and VMAX3 array configuration best practices for optimal performance.

VMAX All Flash and VMAX3 Security Concepts (14%)

  • Plan, implement and manage host-based access controls for VMAX AllFlash and VMAX3 arrays
  • Describe how exposure to data security vulnerabilities and the prevention of unauthorized change control operations are addressed in VMAX All Flash and VMAX3. Besides, describe how data that resides on the VMAX All Flash and VMAX3 can be secured using Data at Rest Encryption (D@RE) and how this impacts system operations and management.
  • Plan, implement and manage user authentication and role-based permissions for Solutions Enabler and Unisphere for VMAX

VMAX All Flash VMAX3 Multi-site SRDF Solutions (16%)

  • Describe dual personality RDF devices and configure Concurrent and Cascaded SRDF
  • Describe Concurrent and Cascaded SRDF/Star failure scenarios and manage operations under normal and fault conditions
  • Provide an overview of multi-site SRDF solutions
  • Identify and describe the SRDF technologies that support SRDF/Star - SRDF/S consistency, SRDF/A multi-session consistency, and special SDDF and SRDF features

VMAX All Flash and VMAX3 SRDF/Metro Solutions (12%)

  • Describe SRDF/Metro and its benefits

VMAX All Flash and VMAX3 FAST.X Solutions (15%)

  • Explain the considerations for various use cases; for example, XtremIO, CloudArray, Data Migration, etc.
  • Configure and manage eDisks and describe the relationship between eDisks, Disk Group, Data Device, and SRPs
  • Describe the connectivity and provisioning requirements for external arrays. Verify connectivity and access to external array LUNs.
  • Describe the architecture of FAST.X and list the benefits and use cases

VMAX All Flash and VMAX3 Non-disruptive Data Migration (NDM) (7%)

  • Perform Non-Disruptive Migration when using Unisphere for VMAX and/or using the SYMCLI
  • Describe Non-Disruptive Migration from VMAX to a VMAX All-Flash Array or a VMAX3 Array

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