Delhi School of Internet Marketing Interview Questions and Answers

Calculate the number of children and grandchildren

• Count the number of direct children of a person

• Count the number of grandchildren of a person

• Use recursion to count all descendants

• Consider only living descendants

• Exclude step-children and adopted children

Partition even and odd numbers in an array

• Iterate through the array and check if each number is even or odd

• Create two separate arrays for even and odd numbers

• Combine the two arrays to get the final partitioned array

Find leaders in an array of strings

• Leaders are elements that are greater than all elements to their right

• Traverse array from right to left and keep track of maximum element

• Add maximum element to result if it is a leader

DHCP is a protocol that assigns IP addresses to devices on a network. DNS is a system that translates domain names to IP addresses.

• DHCP assigns IP addresses to devices on a network

• DNS translates domain names to IP addresses

• DHCP reduces the need for manual IP address configuration

• DNS allows users to access websites using domain names instead of IP addresses