View All num of num See all Photos Sandvine www.sandvine.com Engaged Employer Overview Reviews Salaries Interviews Jobs Photos Benefits 77 Reviews 66 Salaries 34 Interviews 62 Jobs Follow Add Interview Follow Add Interview Interview Question Quality Assurance Engineer Interview(Student Candidate) Toronto, ON (Canada) Sandvine What is the difference between a link list and a double link list and what is the difference between a stack and a heap? Tags: See more , See less 8 Answer Add Tags Answer Interview Answer 1 Answer ▲ 0 ▼ A link list has 1 pointer point to the next. The Double link list has 2 pointers, one point to the Next and one point to the previous (its neighbors).Memory in stack will be clear when exit the function and memory automatic de-allocate while the Heap is a memory will store in memory as long as user de-allocate it i.e. malloc and free. Stack is smaller in size, but faster than Heap. Dominator on Sep 2, 2013 Interviews > Quality Assurance Engineer > Sandvine Add Answers or Comments To comment on this, Sign In or Sign Up.