Internet Security Book Recommendations

What is penetration testing? What is the strategic approach to learning penetration testing? What are the specific ways to learn penetration testing? How to solve various problems encountered? 1. Do you need to learn programming for penetration? 2. What is the thinking of penetration testing? 3. Who do you ask if you have any questions? How to ask? 4. The problem of penetration tools. 5. Questions about infiltration of actual combat. 6. How much do you need to learn to go to work... Come to us to give you the answer!