Refer to the Cisco IOS XR policy-map configuration exhibit. What is wrong with the policy-map configuration?
正解:B
Explanation/Reference: Explanation: Hierarchical policing is also supported. In such a configuration, both parent and child policies have class- maps containing policing statements, as in the following example: ! policy-map child class gold police rate percent 50 conform-action set precedence immediate exceed-action drop ! ! policy-map parent class match_all police rate 10000 kbps burst 15000 exceed-action drop service-policy child