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Trunking switching technique allows to funnel traffic belonging to more than one vlan through a single switch interface.What is VLAN ?Any broadcast domain in a computer network that is divided and isolated at the data connection layer is referred to as a virtual local area network. Virtual here refers to a physical object that has been replicated and changed by additional logic through a local area network.Hence, Trunking switching technique allows to funnel traffic belonging to more than one vlan through a single switch interface.You can learn more about VLAN from the given link:https://brainly.in/question/1875794#SPJ4