I need elaboration if possible pictures for the following questions.

1. What is point-to-point protocol
2. Explanation concerned types of transmission media
3. Different between baseband and broadband transmission
4. Different types of networking/internet working devices
5. How gateway is different from Routers
6. What is frame relay, in which layer it comes
7. Different between NETBIOS and NETBEUI
8. What is MAC address
9. What is MAIL Gateway

Question asked by visitor Neema Richard