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EMC D-MSS-DS-23 Exam Overview:
| Certification Vendor: | Dell Technologies |
|---|---|
| Exam Name: | Dell Midrange Storage Solutions Design 2023 |
| Exam Number: | D-MSS-DS-23 |
| Real Exam Qty: | 80-90 (varies) |
| Exam Format: | Multiple Choice, Scenario-based questions |
| Available Languages: | English, Japanese, Chinese, French |
| Passing Score: | 80% |
| Exam Duration: | 90-120 |
| Exam Price: | USD 230 (approximate, varies by region) |
| Related Certifications: | Dell Technologies Proven Professional Storage certifications |
| Certificate Validity Period: | 2 years (typical Dell Proven Professional validity) |
| Recommended Training: | PowerStore and Unity Design Courses (Dell On-Demand) Midrange Storage Solution Design Training |
| Exam Registration: | Dell Certification Exam Registration Dell Proven Professional Certification Portal |
| Sample Questions: |  |
| Exam Way: | Online proctored or Pearson VUE test center (varies by region) |
| Pre Condition: | No strict prerequisites required, but Dell midrange storage knowledge or prior Dell Proven Professional certification is recommended |
| Official Syllabus URL: | https://learning.dell.com/content/dell/en-us/home/certification-overview/available-exams/midrange-storage-solutions-design.html |
EMC D-MSS-DS-23 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Midrange Storage Best Practices | 36% | - Host and performance best practices
|
| Midrange Storage Solutions (Unity & PowerStore) | 24% | - Dell PowerStore
|
| Planning, Sizing, and Design | 40% | - Solution design principles
|
D-MSS-DS-23 Exam FAQ: What Candidates Ask About EMC Dell Midrange Storage Solutions Design 2023
The D-MSS-DS-23 exam, officially known as EMC Dell Midrange Storage Solutions Design 2023, is the EMC test that leads to the Dell Midrange Storage Solutions Design 2023 certification at the Professional level. Passing it validates the skills employers expect from a certified professional. It is also associated with related credentials such as Dell Technologies Proven Professional Storage certifications.
The D-MSS-DS-23 exam contains 80-90 (varies) questions, and you have 90-120 to complete them. Work out your per-question pace before test day, and flag slow items instead of stalling on them — time pressure, not knowledge, sinks many first attempts. Timed mock exams in the Actual4Exams test engines are the most reliable way to build that rhythm.
The passing score for the D-MSS-DS-23 exam is 80%, and the official registration fee is USD 230 (approximate, varies by region). If you miss the mark, a retake means paying the full fee again, so book your seat only when you are ready. A practical benchmark: score consistently above the passing line on timed practice tests before scheduling the real exam.
No strict prerequisites required, but Dell midrange storage knowledge or prior Dell Proven Professional certification is recommended
Entry requirements can change, so confirm the latest conditions on the official exam page: https://learning.dell.com/content/dell/en-us/home/certification-overview/available-exams/midrange-storage-solutions-design.html.
You can book the D-MSS-DS-23 exam through the official registration channels below:
Exam delivery: Online proctored or Pearson VUE test center (varies by region). Seats at popular test centers fill quickly, so schedule early once your preparation is on track.
EMC recommends the following training options for EMC Dell Midrange Storage Solutions Design 2023 candidates:
Pair any course with the 88 practice questions from Actual4Exams to measure how ready you really are before paying the exam fee.
Yes. A free PDF demo of the EMC Dell Midrange Storage Solutions Design 2023 questions is available, so you can check the question style and answer quality before you pay. Every purchase also includes 365 days of free updates, and if the product expires you can renew the update service at a 50% discount from your member zone.
If you take the corresponding D-MSS-DS-23 exam within 60 days of purchase and do not pass, you can apply for a full refund under the 100% Money Back Guarantee: submit a scan of your enrollment slip and your official Score Report (PDF) within 2 days of the exam date, and the claim is processed within 7 days. Attempts made within 3 days of purchase, downloads without an actual exam attempt, free materials, and expired orders are not eligible, and the candidate name must match the payer name. Prefer new material instead of a refund? You can exchange your purchase for two free products of equal value and keep the update service on your original product. As for delivery, the files are available for instant download and are also emailed to you within one minute of payment — if nothing arrives within 2 hours, contact customer service. There is no limit on how many computers you can install the product on.
The official EMC Dell Midrange Storage Solutions Design 2023 outline is organized into 3 domains. The first three are:
- Midrange Storage Best Practices — 36% of the exam
- Midrange Storage Solutions (Unity & PowerStore) — 24% of the exam
- Planning, Sizing, and Design — 40% of the exam
See the complete exam topics section above for the full outline and the weighting of every domain.
EMC Dell Midrange Storage Solutions Design 2023 Sample Questions:
Question 1
What are components of a Dell PowerStore Base Volume Family?
A. Snapshots, original volume, and replication target only
B. Thin clones and snapshots only
C. Thin clones, snapshots, original volume, and replication target
D. Thin clones, snapshots, and original volume only
Question 2
Which parameters can be defined when sizing a Dell Unity XT solution using the Simple Performance method?
A. Days hot Number of LUNs
B. Write size (KB) Initial capacity (TB)
C. Read size (KB) Target IOPS
D. Application workload type Yearly growth rate (%)
Question 3
What chunk size of data is identified and moved temporarily to FAST Cache within Unity?
A. 32 KB
B. 128 KB
C. 64 KB
D. 256 KB
Question 4
A technical architect is designing a Dell Unity XT 480 using the System Designer option of Sizer. What is the recommended minimum amount of Flash that they should specify?
A. 10%
B. 7%
C. 5%
D. 15%
Question 5
What is a Dell recommendation when connecting ESXi hosts to PowerStore?
A. Configure a minimum of two NAS servers when using vVol Datastores.
B. Configure Round Robin Multipathing with an IOPS limit of 1024.
C. Disable DelayedACK when configured using iSCSI.
D. Use the default 32k host I/O size when using VMware NFS Datastores.
Solutions:
| Question 1 Answer: C | Question 2 Answer: C | Question 3 Answer: C | Question 4 Answer: A | Question 5 Answer: C |
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