Which technology like computer languages or domains of the IT sector gives the best career ?

There are many computer languages to consider but the more popular langaues are:

- Java

- .NET (asp, c#, ..)

- PHP

and also c, c++ which is one of the requirements to get hired in an MNC. If you're a good Java and .NET developer you'll have a strong chance to get hired in the market.

Other aspects you should consider like having knowledge in database management systems, computer hardware and networking. This might boost up you career,