Make your concepts in C++ more clear by appearing the given test questions and each question answer is explained in more details. Most of the questions are associated with multiple concepts and all the associated concepts are covered in the explanation section of each question.
We are moving from very basic beginner level to advanced level. Even if you are able to answer the questions correctly, my suggestion is to read all the explanation, so you will definitely learn some interesting stuff here that MOST OF THE REALTIME DEVELOPERS DOESN'T KNOW!
If some concept is explained here, you will find it is in depth!
I recommend all C++ programers should take this opportunity to grow their knowledge in C/C++ to next level.