Programming Concepts: OOPs, Data Structures, Pointers, Arrays, Recursion Languages: C, Java, Python (your preferred language) SQL: Basic queries, joins, normalization, aggregate functions Projects: Final-year or academic projects – be ready to explain your role, tools used, challenges, and outcomes CS Fundamentals: OS basics, Networking, DBMS Tell me about yourself. Why do you want to join Cognizant? Are you comfortable relocating/working in shifts? Tell me about a challenge you faced and how you handled it.