About This Domain
Domain 1 — Infrastructure — accounts for 25% of the CLCOR certification exam. This domain evaluates your understanding of cucm cluster design, expressway and mra, endpoint registration, and related concepts. Collaboration infrastructure deployment and management. To pass this section you need practical knowledge of how these services and patterns work together in real-world architectures.
What You'll Be Tested On
- CUCM cluster design
- Expressway and MRA
- Endpoint registration
- IM&P and presence
Key Cisco Technologies in This Domain
Study Strategy for Domain 1
This domain represents 25% of the total exam, making it a significant scoring area. Balance theoretical study with hands-on practice. Use practice quizzes to identify weak spots and review the topics where you score below 75%.
Exam Tips for Domain 1
Know CUCM cluster sizing and redundancy models.
Frequently Asked Questions
How many questions on the CLCOR exam come from Domain 1?
Domain 1 (Infrastructure) makes up 25% of the CLCOR exam. The exam has 65 scored questions, so approximately 16 questions will come from this domain.
What services should I focus on for Domain 1?
The key services for this domain include Infrastructure. Make sure you understand how each service works, its use cases, and how they integrate with one another.
How should I prepare for Infrastructure questions?
Start by reviewing the key topics listed above, then practice with domain-specific questions. Focus on understanding real-world scenarios rather than memorizing facts.
What's the best order to study the CLCOR domains?
Many candidates start with the highest-weighted domains first. For the CLCOR exam, the domains in order of weight are: Infrastructure (25%), Call Control (25%), Applications (20%), Security (15%), Automation (15%).
Practice Domain 1 Questions
Test your knowledge of Infrastructure with practice questions from our CLCOR question bank.
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