First, agreeing that you should not be writing an article on a topic that you don't know well. Blind leading the blind is not a good idea. Experienced individuals leading the blind works much better.
1. how does the basic networking of MOBA game work ?
Designers, architects, and programmers figure out the protocols to be used for communications between the machines. Then they implement them. The details are not "basic", they usually represent months of effort and are unique to each game.
2. Any networking difference b/w SMITE and LoL ? (one is top-down and 1 is 3rd person)
Yes, many differences. Also, many similarities.
3. its out of the topic still what is lockstep method for multiplayer game ?
I suggest you type "lockstep network simulation" into your favorite search engine and read the articles it finds.