can help me answer all these questions by typing? thank you

7. Suggested Questions to be Discussed 3. 1. Which is fast, TCP or UDP? 2. In which scenario should you use the User Datagram Protocol UDP? What is difference between multicast and broadcast in UDP? 4. Can we ping multicast address? Give your answer and explain briefly. 5. How many multicast addresses are there? 6. Does multicast work over the Internet