多选题What are two purposes of a forwarding class?（）Ato rewrite the ToS bits in the IP headerBto classify trafficCto identify traffic that should receive commom treatmentDto assign traffic to output queues
多选题
What are two purposes of a forwarding class?（）
A
to rewrite the ToS bits in the IP header
B
to classify traffic
C
to identify traffic that should receive commom treatment
D
to assign traffic to output queues
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