Which three descriptions are true?

Which three descriptions are true? (Choose three.)

Which three descriptions are true? (Choose three.)

A.
The class of service is a parameter that is used for traffic classification and marking at Layer 2.

B.
The IP precedence is a parameter that is used for traffic classification and marking at Layer 2.

C.
The differentiated services code point is a parameter that is used for traffic classification and marking
at Layer 2.

D.
The class of service is a parameter that is used for traffic classification and marking at Layer 3.

E.
The IP precedence is a parameter that is used for traffic classification and marking at Layer 3.

F.
The differentiated services code point is a parameter that is used for traffic classification and marking
at Layer 3.



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