What are three problems with the tail drop mechanism of managing interface congestion?()

A . Queuing introduces equal delays for packets of the same flow, resulting in jitter. B . When congestion occurs, dropping affects most of the TCP sessions, which simultaneously back off and then restart again. C . All buffers can temporarily be seized by aggressive flows, and normal TCP flows experience buffer starvation. D . There is no differentiated drop mechanism. Higher priority traffic is dropped in the same way as best-effort traffic. E . In TCP starvation, traffic exceeds the queue limit because of the bursty nature of packet networks. A router cannot handle multiple concurrent TCP sessions. F . Global synchronization occurs because multiple TCP hosts reduce their transmission rates at random intervals in response to packet dropping

时间:2022-10-08 21:38:21 所属题库:CCNP(642-845)题库

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