- D-CI-DS-23 is a 90-minute Dell Cloud Infrastructure Design 2023 exam testing design judgment, not product trivia.
- Architecting a Do-It-Yourself Solution carries 25% of the weighting, the largest single domain on the blueprint.
- Dell does not publish the question count, passing score, or pass rate for this exact exam code.
- A failed first attempt requires a 7-day wait; later failures require 14 days before retesting.
The Honest Difficulty Verdict
The Dell Cloud Infrastructure Design 2023 (D-CI-DS-23) exam sits in a different difficulty category than most vendor exams. It is not hard because of obscure command syntax or memorized port numbers. It is hard because it asks you to think like a designer: take messy customer requirements, weigh trade-offs, and choose the architecture that fits. Candidates who have only operated cloud environments, never designed them, often find that shift uncomfortable.
Whether it feels hard depends mostly on your background. If you have spent time gathering requirements, sizing infrastructure, and justifying platform choices to stakeholders, the exam will feel like familiar work in exam form. If you come from a pure administration or support role, expect a steeper climb, especially in the data collection and architecture domains.
What Makes This Exam Harder Than It Looks
It tests design reasoning, not recall
Design exams reward candidates who can read a scenario and identify what actually matters: the workload profile, the growth expectation, the operational skill level of the customer's team, the budget posture. Several answer choices may be technically viable. Your task is to pick the one that best fits the stated constraints. That is a skill built through practice scenarios, not flash cards.
The weighting rewards breadth, with one heavy domain
Seven domains share the blueprint, and the largest is a quarter of the exam on its own. You cannot afford to skip any area, because the remaining domains collectively carry most of the weight. Candidates who over-invest in one comfortable topic and neglect the rest tend to get caught out. The full objective list is covered in our guide to all 7 D-CI-DS-23 content areas.
Vendor-neutral concepts meet Dell-specific architecture
Domains such as hybrid and multi-cloud, cloud management platforms, and application development platforms involve concepts that exist across the industry. But the exam is a Dell Technologies Proven Professional credential, so expect those concepts to be framed through Dell's infrastructure portfolio and design methodology. Knowing general cloud theory is necessary but not sufficient.
Domain-by-Domain Difficulty Ratings
The ratings below are editorial judgments based on the nature of each objective and the blueprint weighting, not statistics from Dell. Treat them as a planning aid.
| Domain | Blueprint Weight | Why It Is Hard (or Not) | Relative Difficulty |
|---|---|---|---|
| Introduction to Cloud Design and Design Parameters | 10% | Foundational vocabulary and design framing; approachable with course study | Low to moderate |
| Data Collection and Analysis | 12% | Requires judgment about what data matters and how to interpret it for sizing | Moderate |
| Architecting a Do-It-Yourself Solution | 25% | Largest domain; many component choices and integration trade-offs | High |
| Architecting a CI / HCI Solution | 18% | Requires comparing converged and hyperconverged models against requirements | Moderate to high |
| Cloud Management Platform | 10% | Conceptual breadth: automation, orchestration, service catalogs, governance | Moderate |
| Hybrid Cloud and Multi Cloud | 15% | Placement decisions, connectivity, and consistency across environments | Moderate to high |
| Application Development and Deployment Platform | 10% | Cloud-native and platform concepts that infrastructure-only candidates often lack | Moderate |
Domain 3: Architecting a Do-It-Yourself Solution (25%)
This is where most of your preparation effort should concentrate. A do-it-yourself design means assembling compute, storage, and networking from separate building blocks rather than adopting a pre-integrated platform.
- Understand why a customer would choose a build-your-own approach over an integrated one, and what operational burden that choice creates.
- Practice matching workload characteristics to compute, storage, and network design decisions.
- Be ready to justify a design against availability, scalability, and cost constraints rather than simply naming components.
Domain 4: Architecting a CI / HCI Solution (18%)
The second-heaviest domain asks you to reason about converged and hyperconverged infrastructure as alternatives to the do-it-yourself path.
- Know the scenarios where integrated systems reduce risk and where their scaling model becomes a constraint.
- Be able to contrast CI/HCI against the DIY approach from Domain 3; exam scenarios often force that comparison.
- Understand lifecycle and operations implications, not just the initial deployment.
Together, these two architecture domains account for 43% of the exam. Mastering the ability to compare DIY and CI/HCI against a set of requirements is the single most valuable skill you can build.
What Dell Does Not Publish
One reason difficulty is hard to pin down is that several numbers are simply not available in the retrieved exact-code sources:
- Question count: not published for D-CI-DS-23.
- Passing score: not published. Our page on the D-CI-DS-23 passing score explains how to plan around that uncertainty.
- Pass rate: not published.
What is published is the 90-minute exam duration and the domain weights. Because the question count is unknown, you cannot calculate a precise per-question time budget. The sensible approach is to pace by domain weight: spend proportionally more thinking time on scenario-heavy architecture items than on definitional ones, and flag long scenarios to revisit if you are running behind.
Who Finds It Easier, Who Struggles
Likely to find it manageable
- Pre-sales engineers and solution architects who already translate customer requirements into infrastructure proposals.
- Consultants who have run discovery workshops and sizing exercises.
- Engineers with hands-on exposure to both integrated platforms and component-level builds.
Likely to struggle
- Administrators who know day-to-day operations but have not been involved in upfront design decisions.
- Candidates relying solely on reading with no scenario practice.
- Those with strong on-premises backgrounds but little exposure to multi-cloud placement or application platform concepts.
The official requirement is sufficient knowledge and skills gained through hands-on experience and/or recommended training, followed by passing the exam. If you are unsure whether your background qualifies, review the D-CI-DS-23 requirements and eligibility details. Candidates weighing whether the effort pays off professionally can also read whether the certification is worth it and explore D-CI-DS-23 jobs to see which roles typically value design credentials.
Exam-Day Mechanics That Affect Difficulty
Difficulty is not only about content. Delivery conditions shape the experience, and surprises on exam day can cost you focus.
- Provider: Pearson VUE, with proctored delivery either at a test center or through OnVUE online.
- Languages: English and French.
- OnVUE requirements: a passed system test, a government photo ID that matches your registration, and a private room with no books or notes.
- Voucher: Pearson's U.S. store lists the general Dell certification voucher at USD 230, expiring 12 months after purchase. Voucher expiry is separate from credential validity.
Run the OnVUE system test well before exam day if you choose online delivery. A technical failure at check-in adds stress that has nothing to do with your knowledge. For a full pricing picture, see the D-CI-DS-23 certification cost breakdown, and for scheduling logistics, the exam dates and scheduling guide.
Sequencing Your Prep by Difficulty
Rather than studying domains in blueprint order, sequence them by dependency and difficulty. The following sample plan assumes a candidate with moderate infrastructure experience. Adjust the duration to your own background.
Foundations and data gathering
- Work through the introductory design material (Domain 1) so the vocabulary is automatic.
- Study Data Collection and Analysis (Domain 2); every later architecture decision depends on it.
The heavyweight architecture domains
- Spend the bulk of your time on Domain 3, the 25% Do-It-Yourself domain.
- Follow with Domain 4 (CI / HCI) and build side-by-side comparisons against the DIY approach.
Platforms and multi-environment design
- Cover the Cloud Management Platform and Hybrid Cloud and Multi Cloud domains.
- Finish with Application Development and Deployment Platform, especially if your background is infrastructure-only.
Scenario practice and weak-spot repair
- Take timed practice sets and review every miss against the domain it belongs to.
- Revisit Domains 3 and 4 last, since they carry the most weight.
The official recommended preparation is the Cloud Infrastructure Planning and Design v2 on-demand course (ES732OCMCIPD2). Use it as your backbone, then supplement with scenario practice. For a more detailed preparation framework, our D-CI-DS-23 study guide walks through a first-attempt strategy, and the one-page cheat sheet is useful for final review. You can also check the D-CI-DS-23 training overview for course options.
Key Takeaway
Because Domains 3 and 4 together make up 43% of the exam, the highest-return preparation is learning to compare do-it-yourself, converged, and hyperconverged designs against a given set of requirements. If you can defend a design choice in one or two sentences, you are studying the right way.
Retake Rules and Your Safety Net
Knowing the retake policy lowers the stakes. Dell's published waits are 7 days after a first failure and 14 days after any later failure. Each attempt requires a new exam purchase or voucher use, so a failed attempt has a real cost, but it is not a permanent setback.
If you do not pass, treat the result as diagnostic. Map the areas where you felt least confident back to the seven domains, then rebuild your plan around those weaknesses during the waiting period. Remember that credential status is managed in CertTracker, and recognition follows current Dell requirements, including revised exams when required, so keep an eye on Dell's policy page after you pass.
To gauge your readiness before booking, take a few timed sessions on our D-CI-DS-23 practice test platform. Honest practice results are the best predictor you have, given that no official pass rate exists.
Frequently Asked Questions
It is challenging for candidates with no design exposure, because it tests scenario-based design judgment rather than simple recall. Beginners should combine the recommended Cloud Infrastructure Planning and Design v2 course with extensive scenario practice before attempting the exam.
The published duration is 90 minutes. Dell does not publish the question count in the exact-code sources, so pace yourself by domain weight and flag long scenarios to revisit.
Most candidates find Architecting a Do-It-Yourself Solution the most demanding, since it is the largest domain at 25% and requires weighing many component and integration trade-offs. Architecting a CI / HCI Solution at 18% is the next heaviest.
Dell has not published a passing score for this exact exam in the retrieved sources. Results are computer-scored and described as provisional pending Dell review, so aim for solid competence across all seven domains.
You must wait 7 days after a first failure and 14 days after each later failure. Use that window to review weak domains before purchasing or redeeming another voucher.