144. Why does buffer overflow happen?

Вариант ответа 1 - A. Because they are an easy weakness to exploit

Вариант ответа 2 - B. Because buffers can only hold so much data

Вариант ответа 3 - C. Because input data is not checked for appropriate length at time of input

Вариант ответа 4 - D. Because of insufficient system memory