What are two differences between Class of Service (CoS) and Differentiated Services Code Point (DSCP)? (Choose two.)
A . DSCP defines priority levels and CoS manipulates traffic according to these defined priority levels.
B . CoS defines priority levels and DSCP manipulates traffic according to these defined priority levels.
C . DSCP operates at Layer 2 in OSI model, whereas CoS operates in Layer 3.
D . CoS operates at Layer 2 in OSI model, whereas DSCP operates in Layer 3.
E . DSCP is simpler and can scale easily as the network grows. CoS becomes more complex as network demand for prioritized data increase.
Answer: B, D
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