What is VLAN and why it is used?

Related questions

1. What does untagged port mean?
2. Is VLAN 1 tagged?
3. What is Switchport VLAN?
4. What is a VLAN ID?
5. How many bits is a VLAN ID?
6. Why do you assign an IP address to a VLAN?
7. What is VLAN ID and priority?
8. How do I find the IP address of my VLAN?
9. What is the other name for a LAN card?
10. What is an untagged port?

Tags

1. #layer
2. #directly
3. #partitioned
4. #domain
5. #broadcast
6. #connected
7. #allow
8. #administrators
9. #switch
10. #together
11. #hosts
12. #isolated
13. #group
14. #vlans
15. #network
16. #computer
17. #virtual