Virtual local area network (VLAN)
Also called: VLAN
Course: AP® Cybersecurity Shows up in: Unit 3: Securing Networks
A logical network created on switches that separates devices physically connected to the same central switches.
Appears in the course and exam description (CED): 3.3.A.3
Why it matters in Unit 3
Separation without buying new hardware.
Example
Security cameras and classroom laptops share switches but sit in different VLANs.
Learn it properly, with a checkpoint 3.3 Protecting Networks: Segmentation