Company vault
Digital services — Java, SQL, and agile team interviews.
Questions
100
Reported in Cognizant interview loops. Core OOP concepts asked in almost every fresher technical screen.
Reported in Cognizant interview loops. Fundamental operating-system question for entry-level engineering roles.
Reported in Cognizant interview loops. Classic SQL screening question testing subqueries, window functions, or ordering.
Reported in Cognizant interview loops. DBMS fundamentals covering 1NF through 3NF and when to denormalize.
Reported in Cognizant interview loops. Networking basics question covering transport-layer reliability and use cases.
Reported in Cognizant interview loops. HR opener testing motivation, research, and alignment with the role.
Reported in Cognizant interview loops. Behavioral HR question assessing self-awareness and growth mindset.
Reported in Cognizant interview loops. OS concept linking paging, address translation, and process isolation.
Reported in Cognizant interview loops. Classic array + hash map problem testing optimal time–space trade-offs.
Reported in Cognizant interview loops. Foundational search algorithm with clear loop invariants and edge cases.
Reported in Cognizant interview loops. Pointer manipulation staple for junior coding interviews.
Reported in Cognizant interview loops. Graph traversal question covering shortest paths, connectivity, and complexity.
Reported in Cognizant interview loops. Tree recursion warm-up that often leads to balanced-tree and diameter follow-ups.
Reported in Cognizant interview loops. Sliding window pattern for substring problems with hash set or map tracking.
Reported in Cognizant interview loops. Sort-and-sweep array problem common in calendar and scheduling interviews.
Reported in Cognizant interview loops. Introductory dynamic programming problem isomorphic to Fibonacci.
Reported in Cognizant interview loops. Hash map plus doubly linked list problem bridging DSA and system components.
Reported in Cognizant interview loops. Classic DP testing tabulation, space optimization, and item selection reconstruction.
Reported in Cognizant interview loops. Graph algorithm for non-negative edge weights using priority queue.
Reported in Cognizant interview loops. Foundational system design covering APIs, encoding, storage, and read-heavy scaling.