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?
A . You should deploy CoS on R1 and R4.
B . You should deploy CoS on R1, R3 and R4.
C . You should deploy CoS on S1, R1, R2, R3, R4, and S2.
D . You should deploy CoS on R1, R2, R3, and R4.
Answer: D