What's the best way to learn about TCP IP protocol suite?

Oh man! Ad-blocking software has been detected! :'(

This website is run by the community, for the community... and it needs advertisements in order to keep running. Blocking our ads means your killing our stats!
Please disable your ad-block, or become a premium member to hide all advertisements and this notice.

My problem is when I read books, I feel I'm rehashing the concepts. What are the possible ways I can apply my knowledge about tcp ip protocol suite in depth? I am not a programmer though, so i say "no to coding".
What else is networking used for?