Topics

• IPv4 vs IPv6
• TCP vs UDP
• Packet Loss/Connection Based
• Get address info
• DNS
• TCP client calls
• TCP server calls
• shutdown
• recvfrom
• epoll vs select
• RPC

Questions

• What is IPv4? IPv6? What are the differences between them?
• What is TCP? UDP? Give me advantages and disadvantages of both of them. When would I use one and not the other?
• Which protocol is connection less and which one is connection based?
• What is DNS? What is the route that DNS takes?
• What does socket do?
• What are the calls to set up a TCP client?
• What are the calls to set up a TCP server?
• What is the difference between a socket shutdown and closing?
• When can you use read and write? How about recvfrom and sendto?
• What are some advantages to epoll over select? How about select over epoll?
• What is a remote procedure call? When should I use it?
• What is marshalling/unmarshalling? Why is HTTP not an RPC?