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Exam 642-887 Question id=3262 QOS in a Service Provider IP NGN Environment

An engineer has been tasked to configure a guaranteed 10 Mbps priority queue for traffic matched by class-map VOICE_CLASS on Cisco IOS XR. Which policy must be applied for outgoing traffic on interface FastEthernet 0/0/1?

A. configure policy-map VOICE_POLICY class VOICE_CLASS police rate 10000 exceed-action drop exit priority level 1 exit exit interface FastEthernet 0/0/1 service-policy output VOICE_POLICY commit
B. configure policy-map VOICE_POLICY class VOICE_CLASS priority percent 10 exit exit interface FastEthernet 0/0/1 service-policy output VOICE_POLICY commit
C. configure policy-map VOICE_POLICY class VOICE_CLASS police rate 1000 exceed-action drop exit priority level 1 exit exit interface FastEthernet 0/0/1 service-policy output VOICE_POLICY commit
D. configure policy-map VOICE_POLICY class VOICE_CLASS police rate 10 Mbps exceed-action shape exit priority level 1 exit exit interface FastEthernet 0/0/1 service-policy output VOICE_POLICY commit