Personally I think the people who teach networking either
  don't really understand it themselves or they LOVE making the
  whole process seem arcane and mysterious by being SUPER PRECISE
  at times that's unnecessary.

  Like sticking TCP and UDP together like that chart above.

  There's a LOT of protocols that get transmitted over TCP/IP, not
  just TCP or UDP.

  And of course, at once time, it was _ONLY_ really used for TCP,
  hence the name.

  ATP, AppleTalk Transaction Protocol
  CUDP, Cyclic UDP
  DCCP, Datagram Congestion Control Protocol
  FCP, Fibre Channel Protocol
  IL, IL Protocol
  MPTCP, Multipath TCP
  RDP, Reliable Datagram Protocol
  RUDP, Reliable User Datagram Protocol
  SCTP, Stream Control Transmission Protocol
  SPX, Sequenced Packet Exchange
  SST, Structured Stream Transport
  TCP, Transmission Control Protocol
  UDP, User Datagram Protocol
  UDP-Lite
  *TP, Micro Transport Protocol I'd love to know who coined
  DATAGRAM.*

  "Hey guys, hehe ::: tokes weed ::: - remember they had
  TELEGRAMS... :: hehe... let's call the thing we're sending...

  ::: chuckles, snorts mountain dew out of the nose and knocks
  doritos off the table :::

  ... a DATA GRAM...

  get it? telegram? ahha... datagram....

  HAHA...

  Blank looks all around the dorm room with someone pausing the
  SuperNES just long enough to let it sink it...

  ... then it begins: "bro... " bro... " "BRO"... DUDE"... dude!
  dude!!! you rock - you caught the gnarly wave on that one...
  it's RAD... man.. rad.... ===   it's awesome you have a
  note-taking system that works for you. I never found an
  effective note-taking system, unfortunately.

  Through the years, I'd try memory maps, write-rewrite, drawing,
  making songs, talking to people about it... [the back and forth
  discussion] seemed to work best.

  although I always did well on tests.

  I guess "variety". They called me a "lateral thinker" or
  abstract. eh, I'm just me.

  I never took networking tests or studied it though.

  It's just exposure. Sometimes I get curious and I'll wonder
  WHAT'S THIS NEW SET OF LETTERS MEAN? and I'd look it up.

  But I have an ACTIVE dislike of the excessive compression of
  knowledge into acrynyms. Even when I*was* in IT, they'd be using
  the acrynyms left and right while I'd be speaking Plain English
  about the same things.   ===