Which cost-effective physical network topology design is recommended when building a three-tier campus network that connects three buildings?

Which cost-effective physical network topology design is recommended when building a three-tier campus network that connects three buildings?​

• mesh
• dual ring
• extended star
• bus

Explanation: For efficiency, scalability, and cost-effectiveness, building an extended star topology from a centralized site to all other campus sites is recommended. A mesh topology is much more expensive, and bus and dual ring topologies are more difficult to troubleshoot and maintain.

Exam with this question: CCNA 3 v7 Module 11 Quiz - Network Design