Cognizant Programmer/Analyst interview questions

Introduce yourself. Name and explain any new technology that you had studied recently. (In my case block-chain explanation) Differentiate between traditional and newer storage technique. Real world example of all the OOPS concept. Difference between array and linked list. Cross questioning on the technology that I had answered earlier. Explain the concepts of deep learning. Explain the key concepts of Hadoop(Big Data Storage). In which programming language are you comfortable. Asked 2-3 basic question of C++. Asked me to write a code to check a number is prime or not with least complexity. Asked me to write a code for the given star pattern.