Which switching concept is used to create separate broadcast domains?
A VLAN creates a separate Layer 2 broadcast domain on a switch. Devices in different VLANs do not share the same broadcasts unless traffic is routed between the VLANs. STP is used for loop prevention, VTP is used to distribute VLAN information, and CSMA/CD is an Ethernet access method rather than a mechanism for segmenting broadcast domains.
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