COGNIZANT Study Guide 2026
Everything you need to pass the COGNIZANT exam in one place: the exam format, every topic to study, real practice questions with explanations, flashcards, and full-length practice tests. Free, no sign-up needed.
📋 COGNIZANT Exam Format at a Glance
📚 COGNIZANT Topics to Study (75)
✍️ Sample COGNIZANT Questions & Answers
1. What is a primary key in a relational database?
A primary key uniquely identifies each record in a table and cannot contain NULL values or duplicates.
2. Which of the following actions constitutes insider trading under US securities law?
Using material non-public information obtained through employment or client relationships to trade securities is illegal insider trading under the SEC's rules.
3. Which SQL clause is used to filter records after a GROUP BY has been applied?
HAVING is used to filter groups after GROUP BY, whereas WHERE filters individual rows before grouping.
4. Select the statement that weakens the argument: 'Students who study more than 3 hours daily score higher on tests.'
If some top scorers study only 1 hour, it contradicts the claim that more study time always leads to higher scores.
5. In a row of 40 students, Priya is 15th from the left. What is her position from the right?
Position from right = (40 − 15 + 1) = 26th.
6. When Cognizant evaluates candidates for a Project Manager role, which scenario response best demonstrates 'Stakeholder Management'?
A RACI matrix combined with regular communication cadence directly demonstrates structured stakeholder management skills.