多选题You need to configure a new Company Catalyst 3560 switch for a VOIP-enabled office. Which three statements are true about the voice VLAN feature on this switch？（）AThe default CoS value for incoming traffic is set up to 0.BThe CoS value is trusted for 802.1p or 802.1q tagged traffic.CPortFast is automatically disabled when a voice VLAN is configured.DThe voice VLAN feature is disabled by default.EThe IP phone accepts the priority of all tagged and untagged traffic and sets the CoS value to 4.FWhen the voice VLAN feature is enabled， all untagged traffic is sent according to the default CoS priority of the port
多选题
You need to configure a new Company Catalyst 3560 switch for a VOIP-enabled office. Which three statements are true about the voice VLAN feature on this switch？（）
A
The default CoS value for incoming traffic is set up to 0.
B
The CoS value is trusted for 802.1p or 802.1q tagged traffic.
C
PortFast is automatically disabled when a voice VLAN is configured.
D
The voice VLAN feature is disabled by default.
E
The IP phone accepts the priority of all tagged and untagged traffic and sets the CoS value to 4.
F
When the voice VLAN feature is enabled， all untagged traffic is sent according to the default CoS priority of the port
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