Updated: Jul 25, 2026
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| Certification Vendor: | BICSI |
| Exam Name: | BICSI Data Center Design Consultant (DCDC) Exam |
| Exam Number: | DCDC-002 |
| Related Certifications: | RCDD (Registered Communications Distribution Designer) CDCDP (Certified Data Centre Design Professional) |
| Available Languages: | English |
| Exam Format: | Multiple-choice |
| Recommended Training: | BICSI Official Training Programs |
| Exam Registration: | BICSI Certification Registration |
| Sample Questions: | BICSI DCDC-002 Sample Questions |
| Exam Way: | Computer-based exam (delivery method may vary by testing center) |
| Pre Condition: | Recommended: experience in data center design or BICSI-related certifications such as RCDD |
| Official Syllabus URL: | https://www.bicsi.org |
| Section | Objectives |
|---|---|
| Topic 1: Telecommunications and Cabling Infrastructure | - Standards compliance (TIA/BICSI best practices) - Structured cabling systems |
| Topic 2: Data Center Planning and Design Fundamentals | - Design objectives and performance criteria - Requirements analysis and stakeholder coordination |
| Topic 3: Site Selection and Facility Considerations | - Location risks and environmental factors - Building structure and space planning |
| Topic 4: Resiliency, Risk, and Standards | - Uptime and redundancy tiers - Industry standards and compliance frameworks |
| Topic 5: Mechanical and Cooling Systems | - Thermal management and airflow design - HVAC design principles for data centers |
| Topic 6: Electrical Systems Design | - Power distribution and redundancy - UPS and backup power systems |
1. What is the difference between N+1 and 2N redundancy?
A) N+1 redundancy means that there is one additional backup component while 2N redundancy means that there are two identical backup components
B) N+1 redundancy is more reliable than 2N redundancy
C) 2N redundancy is more cost-effective than N+1 redundancy
D) N+1 redundancy is more flexible and adaptable to changing needs than 2N redundancy
2. What is the highest allowable elevation for a data center site?
A) 5,000 ft
B) 7,500 ft
C) 2,500 ft
D) 12,500 ft
E) 10,000 ft
3. What is the Fourth Preference Regarding Utility Service?
A) One circuit from one substation, separate paths
B) At least two circuits from one substation fed via alternative power grid
C) At least four circuits each from different distribution stations but fed via common feeders
D) Two balanced feeds with different voltages derived from a single distribution station
4. How do you calculate thermal load in a data center?
A) IT Thermal Output + Lighting System
B) IT Thermal Output + Cooling System + Lighting System + PDU System
C) IT Thermal Output + Cooling System
D) IT Thermal Output + PDU System
E) IT Thermal Output + Cooling System + Lighting System
5. What is the ASHRAE TC 9.9 recommended range for static pressure in a data center?
A) 0.1-0.15 inches water gauge
B) 0.15-0.2 inches water gauge
C) 0.05-0.1 inches water gauge
D) 0.01-0.05 inches water gauge
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: E | Question # 3 Answer: A | Question # 4 Answer: B | Question # 5 Answer: D |
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