EMC E20-807 : Expert - VMAX All Flash and VMAX3 Exam

E20-807 real exams

Exam Code: E20-807

Exam Name: Expert - VMAX All Flash and VMAX3 Exam

Updated: Sep 22, 2026

Q & A: 75 Questions and Answers

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Certification Path of Dell E20-807: Expert - VMAX All Flash and VMAX3 Solutions Exam

E20-807 is a fundamental course and requires no certification as a pre-requisite. Each test taker has the option of taking the exam at an Accredited Testing Center or as an online-proctored test during the registration process. The Certified Implementation Specialist exam is carried out in both testing venues via a clear, friendly user interface tailored for ServiceNow tests. The testing network for Kryterion is worldwide and all locations provide a secure, comfortable testing environment. At a specific date and time, candidates register for the exam, so there is no waiting and a seat in the testing center is reserved. As an online-proctored exam, each candidate can also choose to take the examination. This testing environment allows an applicant if certain conditions are met, to take the test on his or her method.

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
  • 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.
  • Identify and describe TimeFinder SnapVX and SRDF performance considerations
  • Performance analysis of cache and backend directors: Identify relevant metrics, investigate, and resolve performance issues
  • Performance analysis of frontend directors: Identify relevant metrics and solve performance issues

VMAX All Flash and VMAX3 Security Concepts (14%)

  • Plan, implement and manage user authentication and role-based permissions for Solutions Enabler and Unisphere for VMAX
  • 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 host-based access controls for VMAX AllFlash and VMAX3 arrays

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.
  • Describe the architecture of FAST.X and list the benefits and use cases
  • 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.

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

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

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EMC E20-807 Exam Syllabus Topics:

SectionWeightObjectives
Data Protection and Advanced Features15%- Connectivity and external storage integration
- Remote replication: SRDF family overview
- System monitoring and health checks
- Local replication: TimeFinder SnapVX
Management and Security20%- Authentication, RBAC, and user permissions
- Unisphere for VMAX navigation and administration
- Host access controls and masking views
- Solutions Enabler and SYMCLI usage
Non-Disruptive Migration (NDM)20%- NDM concepts and supported environments
- Implementation via Unisphere and SYMCLI
- Monitoring and completing migration
- Migration planning and prerequisites
Performance Analysis and Optimization25%- Troubleshooting performance bottlenecks
- Configuration best practices for optimal performance
- Front-end/back-end director performance analysis
- I/O characteristics and performance metrics
VMAX All Flash and VMAX3 Architecture20%- FAST.X architecture, benefits, and use cases
- Front-end, back-end, and memory directors
- HYPERMAX OS architecture and components
- VMAX All Flash hardware differences

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