i want to learn , how to start the study.
i have 12 GB Ram,1 TB HDD , i3 laptop.
please suggest how to start the study.
First you can start acquiring some fundamentals on NetApp University site.
There are a lot of free courses: Free courses on NetAppU
After that you can start to practice with the Simulator.
You can download it from NetApp Support Site: Download Simulator (need to be registered)