TCP/IP INTERNALS
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Lesson 1    Background
    Lesson1 Quiz
Lesson 2    IP,  Part1   physical vs IP addresses
          Part2   dotted decimal notation, Classes,
                              masks, DNS

          Part3   IP Header format
    Lesson2 Quiz
Lesson 3    TCP,  Part1   TCB, initial connection
             Part2   TCP header, ports/sockets, UDP
    Lesson3 Quiz
Lesson 4    Gateways and Routing
    Lesson4 Quiz

prepared at
National Weather Service Training Center
Kansas City, Missouri