Beej - Networking Guide

What are the main types of Internet sockets?
What is a stream socket?
What is a datagram socket?
Which protocol do stream sockets use? What does this protocol guarantee?
Which protocol do datagram sockets use? What does this protocol guarantee?
Web browsers (HTTP), SSH, and Telnet all use (or are built on top of) which type of socket/protocol pair?
Live-Service streaming, TFTP, DHCP clients use which protocol?
What are the trade-offs / pros-cons of TCP vs UDP?
How do protocols like TFTP ensure reliability on top of UDP?
Why use TCP instead of UDP and vice versa?
What is “data encapsulation” in networking?
Can you give an example of encapsulation?
Describe what happens when the receiving computer gets a TFTP packet?
What is the OSI model? (hint: sausage pizzas)
Define what each layer in the OSI Model does and provide two examples
Why is the OSI model important?

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