A network engineer is tasked with improving the flexibility and programmability of the company's network. They decide to implement an architecture where network intelligence is decoupled from packet forwarding functions. What is an advantage of this approach?
It allows for centralized control of the network, facilitating easier management and automation
It increases packet forwarding speed by integrating control functions into each device
It reduces the need for physical hardware by virtualizing data forwarding functions
It enhances security by isolating user data from network control information
By decoupling network intelligence (control plane) from packet forwarding functions (data plane), the network can be centrally controlled. This allows for easier management and automation, as policies and configurations are managed by a centralized controller rather than individually on each device. Centralized control enhances flexibility and programmability, making it simpler to implement widespread changes and respond to network demands. The other options are incorrect because simply virtualizing forwarding functions does not necessarily reduce hardware needs (Option 2), integrating control functions into each device counteracts the separation (Option 3), and while security may be improved, the primary advantage is centralized management (Option 4).
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Cisco CCNA 200-301
Automation and Programmability
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