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Which layer of the OSI model includes VLANs?
A. Physical
B. Data Link
C. Network
D. Transport
Correct Answer: B
Explanation/Reference:
Section Reference: Understanding Layer 2 Switching
Explanation: Layer 2 switching can also allow for a virtual LAN (VLAN) to be implemented. A VLAN is implemented to segment the network, reduce collisions, organize the network, boost performance, and—hopefully—increase security.
Ans B. Data Link