In QOS design, the incorrect description of traffic scheduling design principles is:

In QOS design, the incorrect description of traffic scheduling design principles is:
A . The scheduling strategy of the entire network should maintain the principle of unity, and try to use templated deployment to facilitate network management.
B . LPQ/WFQ scheduling strategy can be used to prevent low-priority services from being unable to obtain bandwidth resources.
C . The currently planned QoS strategy needs to consider the subsequent expansion of the network.
D . Core services and video and voice services must ensure the absolute priority of forwarding and use PQ scheduling.
E . Unless the business has special needs, try to use default values for some parameters of the scheduling policy.
F . For TCP-based services, the queue must be configured with WRED discarding to avoid TCP global synchronization.

Answer: B