What is VLAN and VPN?

Related questions

1. What is the VLAN range?
2. Why is VLAN used?
3. What is VLAN hopping attack?
4. What is VLAN mapping?
5. What is the header size of 802.1 Q?
6. What are VLAN tags?
7. What is the size of Ethernet header?
8. Why is VLAN needed?
9. What is Preamble in Ethernet header?
10. What is untagged VLAN?

Tags

1. #means
2. #various
3. #secured
4. #tunnel
5. #segregate
6. #switches
7. #network
8. #physically
9. #transmission
10. #without
11. #networks
12. #basically
13. #subcategory
14. #connect
15. #logically
16. #creating
17. #points
18. #segregating
19. #encrypted