试题详情
单项选择题 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.

  • E

  • 关注下方微信公众号，在线模考后查看

热门试题