Cognizant GenC Elevate Interview Questions, Process, and Tips

It was the Basic aptitude round

Q1. It was non elimantion round
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Q1. It mainly focuses on java and 3 codes with lot of question on cse foundamentals like dbms,os,dsa etc quite moderate round
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There were 5 Coding questions. Out of 5, 2 Questions were based on SQL query with scheme diagram and 3 normal coding questions with problem statement. (Can use any language).

Q1. Tell me about yourself.
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Q2. Explain your project.
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Q3. What was your role and responsibility in the internship?
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Q4. Do you know 4 pillars of OOP? Explain.
Ans. 
The 4 pillars of OOP are Abstraction, Encapsulation, Inheritance, and Polymorphism.
• Abstraction: Hiding implementation details and showing only necessary information.

• Encapsulation: Binding data and functions together to prevent external interference.

• Inheritance: Creating new classes from existing ones, inheriting properties and methods.

• Polymorphism: Using a single interface to represent multiple types of objects.
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Q5. Write a code of Prime number which are printed in the Right angle triangle format.
Ans. 
Code to print prime numbers in right angle triangle format.
• Create a function to check if a number is prime or not.

• Use nested loops to print the numbers in right angle triangle format.

• Start with the first prime number and keep adding prime numbers to the triangle.

• Example: 2 3 5 7 11 13 17 19 23 29
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Q6. Java related questions like how can we implement encapsulation. Types of inheritance supported by java.
Ans. 
Answering Java related questions on encapsulation and inheritance.
• Encapsulation is implemented in Java by declaring the variables as private and providing public getter and setter methods.

• Java supports single, multiple and hierarchical inheritance.

• Single inheritance is when a class extends only one parent class.

• Multiple inheritance is when a class extends more than one parent class using interfaces.

• Hierarchical inherit...read more
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Q7. Exception handling in Java. Try catch finally. Types of Exceptions ans etc.
Ans. 
Exception handling in Java involves using try-catch-finally blocks to handle and manage exceptions.
• Java provides a mechanism to handle runtime errors called exceptions.

• The try block is used to enclose the code that might throw an exception.

• The catch block is used to catch and handle the exception.

• The finally block is used to execute code regardless of whether an exception occurred or not.

• There are two types of exceptio...read more
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Q8. Socket concept in java as one of my mini project had the concept of socket programming.
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Q9. General HR questions. Preferences wrt technology, location, Shifts.
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Q10. What approach did you take to learn data science?
Ans. 
I took a structured approach to learn data science.
• Started with learning the basics of statistics and programming

• Took online courses and read books on data science

• Practiced on real-world datasets and participated in Kaggle competitions

• Joined a data science community to learn from others and share knowledge

• Continuously updated my skills and knowledge through online resources and attending conferences
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Q11. Attitude related question. 5gm of gold plate to be given to worker each day in same amount. How many Minimum number of cuts are required to do that?
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Q12. Also basic DSA questions. Concepts overview.
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There was a coding test
3 questions on programming and 2 questions from DBMS query part.
In DBMS question ER diagram is presented and tables. We need to find the output using our knowledge on query ( Oracle or MYSQL) databases.
Tip: Good Knowledge of Joins in required for DBMS.
Coding is easy to moderate level. ( One out of 3 can be moderately hard)

Q1. It was a test to check our communication skills with respect to listening and speaking in English. It even had some grammar questions.
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Q2. Tip: Be ready with your earphone and listen to whatever is being spoken. Don't panic it's easy. You got this!
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Q3. This round was held 3 days after the Coding round.
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Q1. The interviewer asked me about myself and my family.
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Q2. Then he gave me to solve 2 aptitude problems, he asked some basic questions on cloud and machine learning. Some questions regarding my semester subjects and what was taught. Then finally he asked about oop...read more
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Q3. After that some basic questions related to conversion from int to float or string to int and float to int. Questions regarding pointers. Asked about my name meaning, asked about some DSA concepts. Finally...read more
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They give 3coding question which are medium difficult and ask to write 2sqlqueries

Q1. They ask in the communication interview about read some sentences repeat some sentences partsof speech,jumbled sentence, it almost about 30min medium difficult
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Q1. Self introduction,explaim about project,few general aptitude question,write 2codes like swap 2numbers and prime number code
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It was easy and questions were asked about time and work

Second round was communication assessment it was also easy

Q1. They asked two coding questions based on strings and arrays
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Q2. Questions were asked based on my projects and few questions on dbms and sql
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Coding Test-There were 2 coding question which can be solve in any language and 2 sql queries

next was communication round - where they check your speaking and listening skills also few aptitute question.

every round is an elimination round.

Q1. Mostly everything was resume based.
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Q2. 1.Prime number 2.reverse a string 3.Palindrome Numbers
Ans. 
Answering questions related to prime numbers, reversing strings, and palindrome numbers.
• A prime number is a number that is only divisible by 1 and itself, such as 2, 3, 5, 7, 11, etc.

• To reverse a string, you can use a loop to iterate through the string and append each character to a new string in reverse order.

• Palindrome numbers are numbers that read the same backward as forward, such as 121, 1331, 1441, etc.
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There were three coding questions and two sql releated question.

Q1. 1. Introduction 2. About RAM and ROM
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Q2. 3. Write a code for inheritance 4. OOPS concept 5. Location priority
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