| Exam 642-887 | Question id=3194 | QOS in a Service Provider IP NGN Environment |
On Cisco routers, how is hierarchical QoS implemented?
| A. |
Within the parent policy, reference another child policy using the policy-map command. | |
| B. |
Within the child policy, reference another parent policy using the policy-map command. | |
| C. |
Use the policy-map command within a service-policy to implement nested policy-maps. | |
| D. |
Within the parent policy-map, reference another child policy-map using the service-policy command. |