300-420 Designing Cisco Enterprise Networks (ENSLD)

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.
Answer: Option C.

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