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The correct answer is B.

OBJ-3.3: A virtual local area network (VLAN) is a type of network segmentation configured in your network switches that prevent communications between different VLANs without using a router. This allows two virtually separated networks to exist on one physical network and separates the two virtual network’s data. A virtual private network (VPN) is a remote access capability to connect a trusted device over an untrusted network back to the corporate network. A VPN would not create the desired effect. WPA2 is a type of wireless encryption, but it will not create two different segmented networks on the same physical hardware. MAC filtering is used to allow or deny a device from connecting to a network, but it will not create two network segments, as desired.

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