Practice online once, and the material goes with you everywhere. Real4Prep built its D-DS-FN-23 package for real life: 358 practice questions accessible on computers and mobile phones, plus a printable PDF for offline consolidation wherever paper beats screens.
EMC D-DS-FN-23 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Data Analytics Lifecycle | 15% | - Key activities and deliverables in each phase - Phases: Discovery, Data Preparation, Model Planning, Model Building, Communicate Results, Operationalize |
| Operationalization and Visualization | 10% | - Building effective dashboards and reports - Communicating insights and results to stakeholders - Deploying and maintaining analytics solutions |
| Advanced Analytics Methods | 25% | - Text Analytics basics - Clustering: K-means, Hierarchical - Association Rules - Time Series Analysis - Linear and Logistic Regression - Decision Trees and Naive Bayes |
| Big Data, Analytics, and the Data Scientist Role | 5% | - Characteristics of Big Data - Role and required skills of a Data Scientist - Business drivers for Big Data and analytics |
| Initial Data Analysis and Statistics | 20% | - Statistical inference, hypothesis testing, and probability concepts - Basic data visualization techniques and interpretation - Descriptive statistics and exploratory data analysis - Introduction to R or Python for basic analysis |
| Big Data Technologies and Tools | 10% | - Cloud and distributed computing concepts - Big Data ecosystem components: Hadoop, Spark, NoSQL - Storage and processing frameworks for large datasets |
| Data Collection and Preparation | 15% | - Data governance and security basics - Data cleaning, integration, transformation, and quality assessment - Data sources and acquisition methods |
D-DS-FN-23 Exam FAQ: Format, Prep, and Purchase
Real4Prep issues a full refund if you take the EMC Dell Data Science Foundations exam within 60 days of purchase and do not pass. The policy does not apply if the exam is taken within 3 days of purchase, if the exam was never actually taken, or to free materials or expired orders, and the candidate name must match the payer name. Submit a scan of your enrollment slip and the official Score Report PDF within 2 days of the exam; claims are processed within 7 days. Alternatively, exchange for two free exam products of equal value and keep your original update service. Orders arrive by email within 1 minute — contact support if nothing arrives within 2 hours.
The EMC Dell Data Science Foundations exam contains 59-60 to complete within 90 minutes. Knowing your pacing beforehand is exactly what the Real4Prep Desktop Test Engine's timed simulations are for.
Online proctored or Onsite at Pearson VUE test centers Register for the EMC Dell Data Science Foundations exam through these official channels:
After booking, Real4Prep delivers your practice questions within 1 minute — preparation starts the same day.
Three versions of the same study materials, provided because different customers have various needs: a printable, expert-prepared PDF in Q&A form with free demo download and instant access; a Desktop Test Engine for Windows that simulates the real exam with two practice modes and works offline; and an Online Test Engine for any browser on Windows, Mac, Android, and iOS with test history and performance review. The 358 practice questions are identical across versions — just choose the one you like. All include 365 days of free updates, a 50% renewal discount afterward, and unlimited computer installations.
The official EMC Dell Data Science Foundations outline defines 7 domains. The leading three are Data Analytics Lifecycle (15%), Operationalization and Visualization (10%), and Data Collection and Preparation (15%). The full list is in the topics section above, and Real4Prep's 358 practice questions cover each one.
No mandatory prerequisites; recommended 6+ months of experience in data-related work or basic knowledge of statistics and programming Since requirements change over time, confirm the latest on the official EMC exam page before scheduling.
The D-DS-FN-23 exam is a EMC certification exam validating the EMC Dell Data Science Foundations syllabus shown above. It belongs to these credential paths: Data Scientist and Big Data Analytics Professional, Data Scientist and Big Data Analytics Expert. Candidates in 2026 prepare for it with Real4Prep's 358 practice questions, available as a printable PDF, a Windows Desktop Test Engine, and an Online Test Engine — three versions of the same materials.
The EMC Dell Data Science Foundations exam requires 60% to pass, and registration costs $230 USD. A failed attempt means paying the same fee again — a readiness check with the Real4Prep engines before booking is the cheaper option.
EMC recommends these training resources for the EMC Dell Data Science Foundations exam:
Follow the training with steady self-testing — the 358 practice questions from Real4Prep make that routine easy to maintain.
EMC Dell Data Science Foundations Sample Questions:
You submit a MapReduce job to a Hadoop cluster. Although the job was successfully submitted, you notice that it is not completing.
What should be done?
- A. Ensure that the JobTracker is running
- B. Ensure that the TaskTracker is running
- C. Ensure that the NameNode is running
- D. Ensure that a DataNode is running
Correct Answer: B 🗳️
During the data preparation phase, you notice a high correlation between average spend on video games, age of players, and number of science fiction shows watched.
Which technique could you use to address the three correlated variables?
- A. Combine the three variables into one new variable
- B. Use scaling to make the three variables equivalent in size
- C. Square the three variables to remove the correlation
- D. Drop the three variables to improve the model
Correct Answer: A 🗳️
After which phase of the data analytics lifecycle should you determine if the model needs any recalibration?
- A. Data preparation
- B. Operationalize
- C. Model planning
- D. Discovery
Correct Answer: B 🗳️
Explanation: Only visible for Real4Prep members. You can sign-up / login (it's free).
What is the optimal usage scenario for the Hadoop Distributed File System?
- A. Large files and low latency
- B. Small files and high throughput
- C. Small files and low latency
- D. Large files and high throughput
Correct Answer: D 🗳️
You have the data from a popular e-commerce website. You are exploring the time spent (in seconds) on the website by 100,000 customers across 14 different product categories.
What visualization can be used to represent the relationship between time spent and product category?
- A. Box and whisker plot
- B. Rug plot
- C. Hexbin plot
- D. Scatter plot
Correct Answer: A 🗳️
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