There is no shortage of TCP books, lectures, documents and youtube videos that will read the TCP RFC’s to you.
I thought it would be more helpful to simply put a 2 question quiz out every so often to keep your knowledge sharp.
One of the goals for myself was to ensure that each question would be something you could use or apply in the field. Then I thought why not explain a question if people have difficulty with one.
In this case, I asked if having 2 different TCP MSS values would cause the connection to fail and quite a few people got it wrong.
So here's a video explaining the answer.