networking is difficult to get. ) `7 {- g4 ]( j% K% a5 r& V& J' k2 p! w9 V# F' V, |" T3 M; T9 A
programming is easier.0 B& N* p C! x& {6 b
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It's not very difficult. I saw some chinese guy took network course at nait and found job. The most important is your language. This job need more communication than programming.