Which statement is true about voice VLANs? ()

A . When the voice VLAN feature is enabled, all untagged voice and data traffic is sent through the voice VLAN. B . The voice VLAN feature is enabled by default. C . The IP phone overrides the priority of all incoming data traffic (tagged and untagged) and sets the CoS value to 0. D . The default CoS value is 1 for incoming voice and data traffic.

时间:2022-11-02 10:58:48 所属题库:CCNP(642-813)题库

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