wt cn i do after 3year computer diploma

r u confidant in any of the Server Side Operating System? for what purpose u would like to do CCNA? wanted to go in network line? is that so? wanted to get good job in higher end? am i right? if u want to enhance ur career and knowledge as well why don't u choose RHCE. cos most of the Servers r runn

Depends upon your own line of interest, i.e., data operator, data management, hardware maintenance, or networking, if not interested in software development.

you can do btech