View All num of num See all Photos Juniper Networks www.juniper.net Engaged Employer Overview Reviews Salaries Interviews Jobs Photos Benefits 987 Reviews 1.8k Salaries 239 Interviews 359 Jobs Follow Add Interview Follow Add Interview Interview Question Tech Lead Interview San Jose, CA Juniper Networks 4)Two linked lists merge at a point. Write code to detect this. 5)How many NULL pointers can a binary tree have ? Tags: See more , See less 8 Answer Add Tags Answer Interview Answer 1 Answer ▲ 0 ▼ Number of Null pointers : n + 1 , n is the number of nodes. M. Shah on Jun 3, 2013 Interviews > Tech Lead > Juniper Networks Add Answers or Comments To comment on this, Sign In or Sign Up.