Refer to the exhibit. Which three statements are true about trust boundaries in the campus network？ （Choose three.）（）
Refer to the exhibit. Which statement is true about a voice VLAN？（）
Refer to the exhibit. Which Catalyst switch interface command would be used to cause the switch to instruct the phone to override the incoming CoS from the PC before forwarding the packet to the switch？（）
Refer to the exhibit. Which statement is true about the 6.6.6.0/24 prefix？（）
Refer to the exhibit. Which statement is true？（）
