QuestionQ9

Priorização de Tráfego no Data Center

Refer to the exhibit. Traffic congestion is observed when traffic is sent from S1 to S2. You must design a CoS deployment to resolve the congestion issue. Based on the exhibit, which two statements are true?

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Choose two
  • A You should use BA classifiers on R1.
  • B You should use multifield classifiers on R2, R3, and R4.
  • C You should use multifield classifiers on R1.
  • D You should use BA classifiers on R2, R3, and R4.
Explanation

Multifield classifiers are normally used at the network edge, where traffic entering from an end system may lack valid or trusted CoS markings; R1 is that ingress edge for S1 traffic. After traffic has been classified and marked at the edge, BA classifiers use those trusted packet-header CoS values efficiently across the core. R2, R3, and R4 are reached over core-facing links for this traffic flow, so they should use BA classifiers.

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