D-CI-DS-23 Study Guide 2026: How to Pass on Your First Attempt

What the D-CI-DS-23 Exam Actually Tests

The D-CI-DS-23 is the Dell Technologies Proven Professional exam titled Dell Cloud Infrastructure Design 2023. The word that matters is design. This is not an operations or administration exam, and it is not a foundations exam. Candidates are expected to take a set of customer requirements, analyze them, and arrive at an infrastructure architecture that fits: whether that is a build-it-yourself stack, a converged or hyperconverged system, or a hybrid and multi-cloud arrangement managed through a cloud management platform.

If you are still orienting yourself, the explainers on what D-CI-DS-23 is and the D-CI-DS-23 certification cover the basics. This guide assumes you have decided to sit the exam and want a plan that maps directly to the published blueprint.

Two scope notes protect you from wasted effort. First, this exam is separate from the Cloud Infrastructure and Services Foundations syllabus, so foundations study material is not a substitute. Second, older DES-2T13 prerequisites and logistics belong to the predecessor exam and do not define what you face here. Anchor everything to the current D-CI-DS-23 objectives published by Dell.

Reading the Blueprint: Where the Points Live

Dell publishes seven domains with approximate question-distribution weights. Treat the percentages as a map of where scenario questions will cluster, not as a promise of exact counts.

The weights add up cleanly: three architecture-centered domains (DIY, CI / HCI, hybrid and multi cloud) account for 58% of the exam. A candidate who is strong on those three and merely competent elsewhere is in a much better position than one who spreads effort evenly. For a domain-by-domain breakdown, see the complete guide to all 7 D-CI-DS-23 content areas.

Domain 3 Deep Dive: Architecting a Do-It-Yourself Solution

At 25%, this is the domain that can make or break your result. A do-it-yourself architecture means assembling compute, storage, network and virtualization components from individual building blocks rather than adopting a pre-integrated platform. The design responsibility, and therefore the exam's scrutiny, shifts to you: sizing, component compatibility, redundancy, and how the pieces behave together.

The question to keep asking while you study is: what does the customer give up, and gain, by assembling this themselves? Many items in this domain hinge on whether you can connect a stated business constraint (budget, skills, timeline, existing investments) to the appropriate architectural choice.

CI / HCI and Hybrid/Multi Cloud: The Next 33%

Domain 4 (18%) and Domain 6 (15%) are best studied together because they test a related judgment: when does an integrated or distributed model beat the DIY approach, and how do multiple environments fit into one coherent strategy?

A useful drill: take one sample customer scenario and design it three ways: DIY, HCI, and hybrid. Writing out why each is better or worse for that customer builds exactly the comparison skill the exam rewards. If you want to gauge how demanding this reasoning style is overall, read how hard the D-CI-DS-23 exam is.

The Four Smaller Domains That Still Decide Close Results

The remaining four domains total 42% combined, which is far too much to neglect. They also tend to feed the architecture domains: poor requirements analysis, for example, undermines every design decision after it.

Introduction to Cloud Design and Design Parameters (10%)

This domain establishes the vocabulary and the inputs of cloud design. Know the common design parameters and constraints that shape an architecture, and be able to describe how cloud design differs from traditional infrastructure design.

Data Collection and Analysis (12%)

Slightly larger than its neighbors, this domain covers how you gather and interpret the information a design depends on. Expect scenarios about identifying workload characteristics, interpreting collected data, and translating findings into design requirements. Candidates who rush through this domain often lose points that were the easiest to earn.

Cloud Management Platform (10%)

Focus on what a cloud management platform provides: service delivery, automation, orchestration and the operational control layer that sits above the infrastructure. Study how it integrates with the infrastructure designs covered in the larger domains.

Application Development and Deployment Platform (10%)

This domain looks at the platform side of the design: how applications are developed and deployed on the infrastructure you architect. Understand how platform requirements flow back into infrastructure decisions.

Training and Hands-On Preparation

Dell's stated requirement is sufficient knowledge and skills gained through hands-on experience and/or recommended training, followed by passing this exact exam. The recommended preparation is the Cloud Infrastructure Planning and Design v2 On Demand Course (ES732OCMCIPD2). Because the exam is built from Dell's published objectives, the course and the official exam description should be your two primary references. Our overview of D-CI-DS-23 training goes deeper on options, and the requirements guide explains how the qualification path works.

Pair the course with the official Certification Description / Exam Overview PDF from Dell. Treat each listed objective as a checklist item: can you explain it, apply it to a scenario, and justify a choice against an alternative? Where you have real infrastructure experience, lean on it; where you do not, work through design scenarios on paper so the reasoning becomes familiar.

A Domain-Ordered Study Schedule

Rather than a generic template, sequence your weeks by how the domains build on each other. Requirements and vocabulary come first because every later design decision depends on them; the heaviest architecture domain comes next while your energy is highest; integration topics follow.

Adjust the length to your experience: seasoned infrastructure architects may compress this, while those newer to design may want to extend the DIY and CI / HCI weeks. Use timed sets from the D-CI-DS-23 practice test site late in the plan to practice pacing against the 90-minute limit, and keep a quick-reference list handy; the D-CI-DS-23 cheat sheet is a good model for the one-pager you should build yourself.

Registration, Voucher and Exam-Day Mechanics

Dell exams are delivered through Pearson VUE, either at a test center or via proctored online delivery (OnVUE). The published duration is 90 minutes, and the exam is offered in English and French.

• Voucher: The Pearson U.S. store lists the general Dell certification voucher at USD 230. The voucher expires 12 months after purchase, which is separate from how long a credential remains valid, so buy it when you have a realistic exam window. See the D-CI-DS-23 certification cost breakdown for budgeting context.
• OnVUE requirements: You need a passed system test, a government photo ID that matches your registration, and a private room with no books or notes. Run the system test well before exam day, not on it.
• Results: Computer-scored results are provisional pending Dell review, so do not treat the on-screen outcome as the final word on credential status.
• Scheduling: For planning windows and deadlines, check the D-CI-DS-23 exam dates guide.

Retake Rules and Credential Status

If your first attempt does not succeed, Dell's retake policy requires a wait of 7 days after a first failure and 14 days after later failures. Use the gap deliberately: review the domains where scenarios felt shaky, and rebuild those designs on paper rather than rereading notes.

Credential status is tracked in CertTracker, and recognition follows current Dell requirements, including revised exams when Dell requires them. Because policies can change, check Dell's Proven Professional Policies and Guidelines for the current rules instead of relying on a third-party summary.

On the numbers: Dell's retrieved exam documentation does not publish the question count, passing score or pass rate for this exact exam. That is why articles claiming a precise cutoff should be treated with caution. For what is and is not known, see our notes on the D-CI-DS-23 passing score and pass rate data.

Who Benefits From This Credential

The design focus makes this certification most relevant to people who recommend and shape infrastructure rather than only run it: pre-sales and solutions architects, infrastructure and cloud architects, consultants, and senior engineers moving into design roles at Dell partners and customer organizations. The skills tested (requirements analysis, DIY versus integrated trade-offs, hybrid and multi-cloud design) are the ones that appear in solution proposals and architecture reviews.

To weigh the investment honestly, read the ROI analysis, browse D-CI-DS-23 jobs for the kinds of roles that value it, and consult the salary guide for earnings context. Note that compensation outcomes depend heavily on role, region and experience, so treat any single figure with skepticism.

Frequently Asked Questions