Click the Exhibit button.
Traffic congestion has been noticed when S1 is sending traffic to S2. You must design a CoS deployment to address the traffic congestion issue. Referring to the exhibit, which statement is true?

Select an option, then click Submit answer.
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You should deploy CoS on R1 and R4.
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You should deploy CoS on R1, R3 and R4.
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You should deploy CoS on S1, R1, R2, R3, R4, and S2.
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You should deploy CoS on R1, R2, R3, and R4.
