Why is VLAN used?

Related questions

1. What is VLAN and VPN?
2. What is Preamble in Ethernet header?
3. What is the VLAN range?
4. Why is VLAN needed?
5. What is the Ethernet header?
6. What are QoS settings?
7. What is VLAN mapping?
8. What is untagged VLAN?
9. Is voice VLAN tagged or untagged?
10. What is VLAN hopping attack?

Tags

1. #sensitive
2. #outsider
3. #chances
4. #expensive
5. #periodically
6. #network
7. #routers
8. #eliminate
9. #domains
10. #reduce
11. #access
12. #users
13. #placing
14. #broadcast
15. #those
16. #create
17. #gaining
18. #cases
19. #which