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Controlled Broadcast activity - Broadcasts are only propagated within the VLAN. This of-
fers segmentation based on logical constraints.
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Leveraging of existing hub investments - Existing hubs can be plugged into a switch port
and assigned a VLAN of their own. This segregates all users on the hub to one VLAN.
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Centralized administration control - VLANs can be centrally administrated.
Keypoints:Know that inter-VLAN communication takes place on a router that runs ISL.Know that VLANs increase the number of collision domains.