问题:
Refer to the exhibit.
Why does the trust state of interface FastEthernet 0/3 show "not trusted"? ()
A . DSCP map needs to be configured for VOIP.
B . ToS has not been configured.
C . ToS has been misconfigured.
D . The command mls qos needs to be turned on in global configuration mode.
E . There is not a Cisco Phone attached to the interface.
Refer to the exhibit.
Why does the trust state of interface FastEthernet 0/3 show "not trusted"? ()
● 参考解析
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