100+ Free CDDP Practice Questions
Pass your Certified Demand Driven Planner exam on the first try — instant access, no signup required.
Loading questions...
Key Facts: CDDP Exam
100 Qs
Exam Questions
Multiple-choice format
70%
Passing Score
70 correct answers needed
120 min
Time Limit
ISCEA
$1,295
Workshop + Exam Fee
ISCEA
3 years
Certification Validity
45 PDUs + $50 renewal
7
Content Categories
Aligned with 5 DDMRP steps
The CDDP exam has 100 multiple-choice questions with a 120-minute time limit and a 70% passing score. It covers 7 categories aligned with the 5 steps of DDMRP: strategic inventory positioning, buffer profiles and levels, dynamic adjustments, demand driven planning, and visible and collaborative execution. The exam is delivered online via ISCEA's iProctor system. No prerequisites are required. The workshop and exam session fee is $1,295, while the online self-study option is $650. Certification must be renewed every 3 years with 45 PDUs and a $50 fee. The 1st retake is free within 30 days.
About the CDDP Exam
The Certified Demand Driven Planner (CDDP) certification from the International Supply Chain Education Alliance (ISCEA) validates knowledge of Demand Driven Material Requirements Planning (DDMRP) methods and applications. The CDDP exam covers 7 content categories spanning DDMRP principles, strategic inventory positioning, buffer profiles and levels, dynamic adjustments, demand driven planning, and visible and collaborative execution. The certification is internationally accredited by the IISB (ISCEA International Standard Board).
Questions
100 scored questions
Time Limit
120 minutes
Passing Score
70%
Exam Fee
$1,295 (ISCEA)
CDDP Exam Content Outline
DDMRP Principles
Flow-based thinking, demand driven concepts, limitations of traditional MRP, bullwhip effect, variability management
DDMRP Basics
Core DDMRP components, decoupling fundamentals, buffer zones, the five-step DDMRP methodology
Strategic Inventory Positioning
Decoupling point placement, positioning criteria, decoupled lead time, matrix BOM analysis
Buffer Profiles and Levels
Buffer zone calculations (red, yellow, green), buffer profiles, individual part properties, lead time factors
Dynamic Adjustments
Planned adjustment factors, recalculated adjustments, seasonal and promotional demand changes
Demand Driven Planning
Net flow equation, supply order generation, decoupled explosion, prioritized share, order prioritization
Visible and Collaborative Execution
Buffer status alerts, synchronization alerts, execution priority management, S&OP implications
How to Pass the CDDP Exam
What You Need to Know
- Passing score: 70%
- Exam length: 100 questions
- Time limit: 120 minutes
- Exam fee: $1,295
Keys to Passing
- Complete 500+ practice questions
- Score 80%+ consistently before scheduling
- Focus on highest-weighted sections
- Use our AI tutor for tough concepts
CDDP Study Tips from Top Performers
Frequently Asked Questions
What is the CDDP certification?
The Certified Demand Driven Planner (CDDP) is a supply chain certification from ISCEA (International Supply Chain Education Alliance) that validates knowledge of Demand Driven Material Requirements Planning (DDMRP). The exam has 100 multiple-choice questions, a 120-minute time limit, and requires a 70% passing score. It is internationally accredited by the IISB.
How much does the CDDP exam cost?
The CDDP workshop and exam session fee is $1,295, which includes 16 classroom hours, study materials, a 2-hour review, and the exam. An online self-study option with exam is available for $650. The 1st retake is free within 30 days. Additional retakes cost $250 each. Certification renewal every 3 years costs $50 plus 45 PDUs.
What are the CDDP exam prerequisites?
There are no formal prerequisites for the CDDP exam. The certification is designed for strategic decision makers, managers, planners, manufacturing and logistics professionals, materials managers, MRP implementers, demand planners, inventory controllers, and IT architects in supply chain management. Supply chain experience is recommended but not required.
What topics does the CDDP exam cover?
The CDDP exam covers 7 categories: (1) DDMRP Principles, (2) DDMRP Basics, (3) Strategic Inventory Positioning (Step 1), (4) Buffer Profiles and Levels (Step 2), (5) Dynamic Adjustments (Step 3), (6) Demand Driven Planning (Step 4), and (7) Visible and Collaborative Execution (Step 5). These align with the five steps of the DDMRP methodology.
How is the CDDP exam delivered?
The CDDP exam is delivered online through ISCEA's iProctor system. You need a computer with good internet connectivity and a webcam. The exam can be taken on the last day of a workshop or scheduled independently via the iProctor booking system. Each exam draws from a larger question pool, so every test is unique in questions and sequence.
What is the difference between CDDP and DDPP?
The CDDP (Certified Demand Driven Planner) is administered by ISCEA and covers DDMRP fundamentals through 18 modules. The DDPP (Demand Driven Planner Professional) is administered by the Demand Driven Institute (DDI) and is a professional endorsement based on 13 modules. Both focus on DDMRP, but they are offered by different organizations with different curricula and testing systems.