An engineer must design a solution to connect a customer to the Internet. The solution will include a Layer 3 circuit with a CIR of 50 Mbps from the service pro...

An engineer must design a solution to connect a customer to the Internet. The solution will include a Layer 3 circuit with a CIR of 50 Mbps from the service provider. The hand-off from the provider's switch to the customer's router is 1Gbps. Which solution should the engineer include to prevent potential issues with choppy voice traffic?

A. Reduce the bandwidth of the connection to the router. B. Implement hierarchical QoS with a parent policing policy. C. Implement hierarchical QoS with a parent shaping policy. D. Add a bandwidth statement to the router interface.