Which two layers of the OSI model are associated with SDN network control plane functions that make forwarding decisions? (Choose two.)

Which two layers of the OSI model are associated with SDN network control plane functions that make forwarding decisions? (Choose two.)

• Layer 1
• Layer 2
• Layer 3
• Layer 4
• Layer 5

Explanation: The control plane contains Layer 2 and Layer 3 route forwarding mechanisms, such as routing protocol neighbor tables and topology tables, IPv4 and IPv6 routing tables, STP, and the ARP table. Information sent to the control plane is processed by the CPU.

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