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According to the information presented in the foll...

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单选题

According to the information presented in the following exhibit， can you tell me the reason that thetrust state of interface FastEthernet 0/3 displays "not trusted"？（）

发布日期：2021-01-28

A.The command mis qos needs to be turned on in global configuration mode

B.DSCP map needs to be configured for VOIP

C.ToS has not been configured

D.There is not a Cisco Phone attached to the interface

标签： information presented exhibit reason thetrust

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