单选题Which traffic descriptor s can be recognized and categorized by cisco quality of service（qos）features？（）A incoming interface.outgoing interface.ip precedence.and differentiated services code P.oint（DSCP）.B Incoming interace.ip precedence.differentiated services code point（DSCP），and source or d.estination address.C Outgoing interface.ip precedence.differentiated services code point（DSCP）.and source or d.estination address.D Incoming interface .outgoing interface.ip precedence and differentiated code point s.ervices（DCPS）E Incoming interface .ip precedence .and source or destination address. F Outgoing interface.ip precedence .and source or destination address.
单选题
Which traffic descriptor s can be recognized and categorized by cisco quality of service（qos）features？（）
A
incoming interface.outgoing interface.ip precedence.and differentiated services code P.oint（DSCP）.
B
Incoming interace.ip precedence.differentiated services code point（DSCP），and source or d.estination address.
C
Outgoing interface.ip precedence.differentiated services code point（DSCP）.and source or d.estination address.
D
Incoming interface .outgoing interface.ip precedence and differentiated code point s.ervices（DCPS）
E
Incoming interface .ip precedence .and source or destination address.
F
Outgoing interface.ip precedence .and source or destination address.
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