| Exam 642-887 | Question id=3269 | QOS in a Service Provider IP NGN Environment |
Refer to the exhibit.
policy-map WAN
class class_A
shape average 512000 32000
!
interface serial 4/0
service-policy input WAN
Which configuration error prevents this traffic-shaping policy from working?
| A. |
The WAN interface is starting to drop packets because no queuing mechanism is implemented. | |
| B. |
Traffic-shaping policies are applied only in the outbound direction. | |
| C. |
The class_A configuration shape peak is used to maximize the serial interface performances. | |
| D. |
The service-policy command is applied only on logical or channeled interfaces. |