Which two statements are true about voice VLANs?()
- A、Voice VLANs are only used when connecting an IP phone and a host to distinct switch ports
- B、Access ports that are configured with voice VLANs will always trust the CoS that is received from IP phones
- C、Access ports that are configured with voice VLANs may or may not override the CoS value that is received from an IP phone
- D、Voice VLANs are configured using the switchport voice vlan vlan-ID interface configuration command
- E、Voice VLANs provide a trunking interface between an IP phone and an access port on a switch to allow traffic from multiple devices that are connected to the port
- F、Enabling Voice VLAN on a switch port will automatically configure the port to trust the incoming CoS markings
正确答案:C,D
答案解析:有
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