The Company XYZ network is experiencing attacks against their router. Which type of Control Plane Protection must be used on the router to protect all control p...

The Company XYZ network is experiencing attacks against their router. Which type of Control Plane Protection must be used on the router to protect all control plane IP traffic that is destined directly for one of the router interfaces?

A. Control Plane Protection transit subinterface B. Control Plane Protection host subinterface C. Control Plane Protection CEF-exception subinterface D. Control Plane Protection main interface