![]() ![]() ![]() SDN makes use of a controller that centralizes some network functions. The 2010s have seen the introduction of a new network operational model: Software Defined Networking (SDN). Then you plan and implement distributed configuration to the devices, device by device, to implement the network. You understand protocols that the devices use, along with the commands that can customize how those protocols operate. The CCNA certification focuses on the traditional model for operating and controlling networks, a model that has existed for decades. This chapter covers the following exam topics:ġ.1 Explain the role and function of network componentsġ.2 Describe characteristics of network topology architecturesĦ.1 Explain how automation impacts network managementĦ.2 Compare traditional networks with controller-based networkingĦ.3 Describe controller-based and software defined architectures (overlay, underlay, and fabric)Ħ.3.a Separation of control plane and data plane
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