200-301 - Automation and Programmability - Section 6.1
Explain how automation impacts network management, compare traditional networks with controller-based and software-defined architectures (overlay, underlay, fabric, control/data plane separation, northbound/southbound APIs), and compare traditional with cloud-based and Cisco Catalyst Center management.
Explain how automation reduces manual, error-prone CLI work and improves consistency, then contrast a traditional distributed control plane with a controller-based model where the control plane is centralised and separated from the data plane. Map the overlay, underlay, and fabric of an SDN architecture, and the northbound (controller-to-application) and southbound (controller-to-device) APIs, and recognise where v1.1 cloud network management fits versus on-box CLI and Catalyst Center.
Network automationController-based networkingControl plane vs data planeNorthbound and southbound APIsCloud network management
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