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EMC E20-807 Exam Overview:
| Certification Vendor: | Dell EMC |
|---|---|
| Exam Name: | Expert - VMAX All Flash and VMAX3 Exam |
| Exam Number: | E20-807 |
| Exam Duration: | 90-120 |
| Available Languages: | English |
| Certificate Validity Period: | 2 years |
| Related Certifications: | Dell EMC Storage Administrator - VMAX All Flash and VMAX3 Dell EMC Technology Architect - VMAX All Flash and VMAX3 Dell EMC Implementation Engineer - VMAX All Flash and VMAX3 |
| Real Exam Qty: | 60-75 |
| Passing Score: | 70% |
| Exam Format: | Multiple Choice, Scenario-based, Drag-and-Drop |
| Exam Price: | $200 USD |
| Recommended Training: | VMAX Performance and Best Practices VMAX All Flash and VMAX3 Administration Workshop |
| Exam Registration: | Dell EMC Education Services Pearson VUE Registration |
| Sample Questions: |  |
| Exam Way: | Online proctored or onsite at Pearson VUE test centers |
| Pre Condition: | Recommended: 2+ years hands-on experience with VMAX3 / VMAX All Flash, storage networking, and Dell EMC training |
| Official Syllabus URL: | https://education.emc.com/_content/_common/docs/exam_descriptions/E20_807_VMAX3_Solutions_Expert_Exam.pdf |
EMC E20-807 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Performance Analysis and Optimization | 25% | - Front-end/back-end director performance analysis - I/O characteristics and performance metrics - Configuration best practices for optimal performance - Troubleshooting performance bottlenecks |
| VMAX All Flash and VMAX3 Architecture | 20% | - VMAX All Flash hardware differences - FAST.X architecture, benefits, and use cases - HYPERMAX OS architecture and components - Front-end, back-end, and memory directors |
| Data Protection and Advanced Features | 15% | - Remote replication: SRDF family overview - System monitoring and health checks - Local replication: TimeFinder SnapVX - Connectivity and external storage integration |
| Management and Security | 20% | - 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% | - Implementation via Unisphere and SYMCLI - Migration planning and prerequisites - Monitoring and completing migration - NDM concepts and supported environments |
E20-807 Exam FAQs for 2026 Candidates
Which certification does the E20-807 exam lead to?
The E20-807 exam is the official Dell EMC exam behind the Dell EMC Certified Expert - VMAX All Flash and VMAX3 Solutions certification, validating the skills measured by the EMC Expert - VMAX All Flash and VMAX3 credential. It sits at the Expert level of the Dell EMC certification program. It also connects to Dell EMC Technology Architect - VMAX All Flash and VMAX3, Dell EMC Implementation Engineer - VMAX All Flash and VMAX3, Dell EMC Storage Administrator - VMAX All Flash and VMAX3, so the knowledge you build here carries over to those tracks as well.
How many questions are on the E20-807 exam, and how much time do I get?
The E20-807 exam contains 60-75 questions to be completed within 90-120. Before exam day, divide the available time by the question count to work out a comfortable per-question pace, and mark any item that eats into it so you can return later instead of getting stuck. Timed sessions in the Getcertkey test engines make that pacing automatic — run at least two full-length mock exams under the clock so time pressure never becomes the reason you drop points.
What score do I need to pass the E20-807 exam, and what does it cost?
The passing score for the E20-807 exam is 70%, and the official registration fee is $200 USD. Retakes are not discounted — every new attempt means paying the full fee again — so it pays to measure yourself before you book. Work through the 75 practice questions on Getcertkey, sit a timed practice test, and schedule your exam only when your scores are consistently comfortable. That simple habit is the cheapest exam strategy there is.
Are there any prerequisites for the E20-807 exam?
Recommended: 2+ years hands-on experience with VMAX3 / VMAX All Flash, storage networking, and Dell EMC training Requirements can change when Dell EMC revises its certification program, so confirm the current eligibility rules on the official exam page before you register.
How do I register for the E20-807 exam?
You can book the EMC Expert - VMAX All Flash and VMAX3 exam through the official registration channels below:
As for delivery, the exam is offered in the following format: Online proctored or onsite at Pearson VUE test centers. Choose the option that suits you best when you book your seat.
What official training is recommended for the E20-807 exam?
Dell EMC recommends the following training resources for the EMC Expert - VMAX All Flash and VMAX3 exam:
Official courses build the foundation; the 75 practice questions from Getcertkey then show you how that knowledge is examined, so the two work best together.
Can I try the E20-807 practice questions before I buy?
Yes. Getcertkey provides a free E20-807 PDF demo so you can review the question style and answer quality before purchasing. Every purchase also includes 365 days of free updates — if EMC revises the exam during that period, the updated material reaches you at no cost. Once the free-update year ends, you can extend your update service at a 50% discount.
What if I fail the E20-807 exam, and how is my order delivered?
Every EMC Expert - VMAX All Flash and VMAX3 purchase on Getcertkey is covered by a 100% money-back guarantee with clear conditions: if you take the corresponding exam within 60 days of your purchase and do not pass, you can claim a full refund by submitting a scanned copy of your exam enrollment slip and your official score report as a PDF within two days of the exam date; claims are processed within seven days of submission. The guarantee does not apply to exams taken within three days of purchase, to material that was downloaded but never used in an exam attempt, or to free products and expired orders, and the candidate name must match the payer name. If you would rather not take a refund, you can instead exchange your purchase for two free exam preparation products of equal value and keep the update service on your original product.
Delivery is instant: your download is sent to your email within one minute of payment, with no limit on how many computers you may install the material on. If nothing arrives within two hours, check your spam folder and contact customer service for help.
What topics are covered in the E20-807 exam?
The EMC Expert - VMAX All Flash and VMAX3 exam blueprint is organized into 5 domains. The first three are:
- Data Protection and Advanced Features — 15% of the exam
- Management and Security — 20% of the exam
- Performance Analysis and Optimization — 25% of the exam
For the complete domain-by-domain breakdown, scroll up to the full exam topics outline above and use it to plan how you distribute your study time.
EMC Expert - VMAX All Flash and VMAX3 Sample Questions:
Question 1
A company is evaluating the deployment of SRDF/Star on VMAX3 arrays. One of the concerns is that the SRDF daemon represents a single point of failure.
How could this concern be addressed?
A. Run RDF daemons on multiple management stations at the workload site.RDF daemons will cooperate with each other.
B. RDF daemon process runs on the embedded Tools Virtual Machines and has built-in high availability.
C. Run an RDF daemon on one management station at each of the three sites.If the workload site RDF daemon fails, one of the RDF daemons from the other two sites will take over.
D. RDF daemon process runs on the VMAX3 array.If the workload site RDF daemon fails, the RDF daemon from one of the other sites will take over.
Question 2
What is a key difference between SRDF/Metro and SRDF/S?
A. SRDF/Metro: Requires a third array for any witness functionalitySRDF/S: Does not require a third array
B. SRDF/Metro: R1 and R2 devices are host accessible at the same timeSRDF/S: R1 devices are host accessible, R2 devices are write disabled
C. SRDF/Metro: R1 devise is host accessible, R2 is red-onlySRDF/S: R1 is host accessible, R2 is write disabled
D. SRDF/Metro: R2 can be larger than R1SRDF/S R2 cannot be larger than R1
Question 3
XtremIO is part of a company's FAST.X environment with a VMAX All Flash array and will remain as part of the configuration. The VMAX All Flash array is configured for SRDF as well. In addition, a large VMware environment is hosted on the XtremIO, however, the VMware datastore devices are not virtualized to the VMAX All Flash array.
If the company wants to have remote replication for the VMware devices, how can this be accomplished?
A. Virtualize the VMware datastore devices using incorporation and add to the SRDF configuration
B. Virtualize the VMware datastore devices using encapsulation and add to the SRDF configuration
C. Connect an additional VMAX3 or VMAX All Flash array to the XtremIO array and enable SRDF
D. Enable SRDF on the XtremIO array and add the VMware datastore devices to the configuration
Question 4
Performance analysis on a VMAX3 has shown that the current workload is 15,000 IOPS at an average response time of 13 ms. Workload will increase to 30,000 IOPS.
What will be the response time expectation?
A. Greater than 26 ms
B. 14 ms
C. Between 13-26 ms
D. 26 ms
Question 5
A VDI deployment is planned for an environment that consists of VMAX3 and XtremIO. The data will have a high degree of deduplication and will require QoS and VVOL support.
How can the existing infrastructure be leverage while minimizing increased storage capacity?
A. Add half the capacity required for the VMAX and use compression
B. Add full capacity required for VMAX3
C. Use FAST.X with XtremIO for the new deployment
D. Use XtremIO for the new deployment
Solutions:
| Question 1 Answer: D | Question 2 Answer: B | Question 3 Answer: A | Question 4 Answer: C | Question 5 Answer: D |
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