COGNIZANT INTERVIEW QUESTIONS

A carefully curated Cognizant Technical + HR Interview Questions PDF designed for candidates preparing for Cognizant interviews.

The PDF covers:

• Java Cluster – Core Java, OOPs, Collections, Exception Handling, JVM, Multithreading
• Python Cluster – Python fundamentals, OOPs, Collections, Exception Handling, Lambda, Generators, List Comprehension
• C# Cluster – C#, .NET, OOPs, Collections, Exception Handling, ADO.NET
• DSA & Coding – Arrays, Strings, Searching, Sorting, Binary Search, Linked List, Stack, Queue
• SQL – Queries, Joins, Subqueries, Aggregate Functions, Keys, Normalization
• DBMS – DBMS/RDBMS, ACID, Transactions, Indexing, Keys
• Operating Systems – Processes, Threads, Deadlocks, Scheduling, Round Robin, FCFS, Gantt Charts
• Computer Networks – OSI 7 Layers, TCP/IP, TCP vs UDP, DNS, HTTP/HTTPS, IP, Networking basics
• Web Technologies – HTML, CSS, JavaScript, REST APIs, GET/POST, DOM, Authentication
• Cloud Basics – Cloud Computing, IaaS/PaaS/SaaS, AWS EC2, S3, VPC
• Project & Internship Questions
• HR & Behavioral Questions
• Frequently asked follow-up questions

Questions are arranged from basic → intermediate → advanced to help you prepare systematically.