【单选题】
Refer to the exhibit. A trunk link is connected between switch A_SW and switch D_SW. Based on  the configuration shown in the exhibit， <br /> how would the traffic coming from the switch A_SW be  managed？（）<br /> <img src="https://nimg.ppkao.com/2018-07/gelingxia/2018073014424289611.jpg?sign=787172ddb9bd473c5a46d554998d9476&t=62d3c9ab" />
A、The trunk port Fa0/1 on switch A_SW will trust allCoS values on the frames coming from the IP phone.
B、The trunk port Fa0/1 on switch A_SW will trust allCoS values on the frames received on the IP phone.
C、The trunk port Fa0/1 on switch D_SW will trust allCoS values on the frames coming from port Fa0/1 on A_SW.
D、The trunk port Fa0/1 on switch D_SW will trust allCoS values on the frames received on the A_SW switch port Fa0/4.
E、The trunk port Fa0/1 on switch D_SW will trust allCoS values on the frames received on the IP phone port.
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