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Which two mechanisms provide Cisco IOS XE Software with control plane and data plane separation? (Choose two.)
Correct Answer: A,B
Explanation/Reference: Explanation: Control Plane and Data Plane Separation IOS XE introduces an opportunity to enable teams to now build drivers for new Data Plane ASICs outside the IOS instance and have them program to a set of standard APIs which in turn enforces Control Plane and Data Plane processing separation. IOS XE accomplishes Control Plane / Data Plane separation through the introduction of the Forwarding and Feature Manager (FFM) and its standard interface to the Forwarding Engine Driver (FED). FFM provides a set of APIs to Control Plane processes. In turn, the FFM programs the Data Plane via the FED and maintains forwarding state for the system. The FED is the instantiation of the hardware driver for the Data Plane and is provided by the platform. Reference. http://www.cisco.com/c/en/us/products/collateral/ ios-nx-os-software/ios-xe-3sg/QA_C67-622903.html