Domanda di colloquio di Tata Steel

my mentions - c,c++,python,oops,computer networks,ml,statistics,data analysis. (PI round) Q- Introduction Q- Hobbies Q - Projects - mine was on ml and data analysis. Q - what tools are used in projects and various questions on tools like what numpy is used for and how it is different from tool pandas and which is faster. Q- projects done on c++. Q - types of access modifiers in c++ and differences between them. Q- python - the difference between lists and tuples Q- computer networks - what field interests you most in cn. Q - the difference between routing and switching, different types of routing algorithms with examples, what is ping and how it is implemented. Q- ml - projects done on ml Q- what is ml, how ml is different from data analysis. Q- statistics - mean, average, median, mode, normal distribution, standard distribution, spread, what will happen if data is not in bell curve form. Q- data analysis-projects done on data analysis Q- what is data, the difference between data and information, why data is so important Q- why data analysis interest you so much. Q- is video is data and how. Q- the difference between video analysis and data analysis. Q- latest technologies trends -do you know questions- big data, data warehouses, cloud computing, cyber security, e.t.c. There were more questions, can't recall all of them. Be honest and try to mention topics that you studied.