- 7 layer
- 3 layer
- two-tier collapsed core
Explanation: In the two-tier collapsed core model, the distribution layer and the core layer are combined into one. The switch that connects the site to the NOC is serving as both a distribution layer switch and a core layer switch. The NOC is designed with other network devices that are not shown, such as the firewall, as part of an Internet edge design.
More Questions: CCNPv8 ENCOR (Version 8.0) – Network Design and Monitoring Exam