What is VLAN in simple?

Related questions

1. What is an untagged port?
2. How do I find the IP address of my VLAN?
3. What is Intel Advanced Network Services?
4. What does untagged port mean?
5. How many bits is a VLAN ID?
6. How big is a VLAN tag?
7. What type of VLAN is the default VLAN?
8. What VLAN 4094?
9. What is VLAN attack?
10. What is VLAN ID and priority?

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