Q: DSCP and CoS map to which of the following OSI layers? (Select TWO)
> answers are correct B and C), but for those willing to learn (which is the purpose of this web site, I guess), an explanation as to Protocol utilises the corresponding OSI layer would be very informative.
DSCP (Differentiated Services Code Point) is layer 3;
CoS (Class of Service) is layer 2 (but has to have Trunking enabled as it uses the 802.1Q protocol > no Trunking, no CoS).
https://networkengineering.stackexchange.com/questions/53/are-cos-and-qos-ever-interchangeable
upvoted 1 times
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A (35%)
C (25%)
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mad
5 years, 10 months ago