Cognizant Software Engineer Trainee Interview Questions, Process, and Tips

General aptitude questions and basic logical thinking questions

Basic c c++ languages programs will be asked

Q1. Basic intro , positive attitude
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Q2. What is your strength
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It's on campus recruitment drive so first round is aptitude round all about basic formulas of aptitude(60),consist of verbal and aptitude and reasoning.you can crack easily if ur good at basics.That's about first round.It includes next round as game based asssesment different types games (4)are there one by one you have to play with in time .

Q1. After completing communication test final round included both technical and hr asked some aptitude questions,about basics of programming languages that you known .Asked to talk about particular topic and f...read more
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Q2. What you mean by call by value and reference ,funtions.
Ans. 
Call by value and reference are two ways of passing arguments to functions.
• Call by value passes a copy of the argument's value to the function.

• Call by reference passes a reference to the argument's memory location to the function.

• Functions that use call by value cannot modify the original value of the argument.

• Functions that use call by reference can modify the original value of the argument.

• In some programming languag...read more
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(Maths Reasoning English) You have to start from the basic and then go to competitive level and also follow the previous trends of asking questions.

Q1. I gave technical round approx 30 mins First they ask introduction. I have opted C, C++ and Java in my resume they only ask questions from first two languages and basic of Java. They asks more questions fr...read more
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There are some reasoning and technical question are there it was so simple

Q1. In the technical interview timeing 1hr30min but they take max 45 min it was so easy You must have technical basic knowledge as per u mention preferred language in resume also add only those things in resu...read more
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Q2. Basic. 1 Intro ...speak atleast 1min 2 strength Weakness 3 programing que 1 also 4 basic technical question
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Q1. Able to relocate according to project requirements
Ans. 
Yes, I am willing to relocate for project requirements.
• I am open to relocating for the duration of the project

• I understand that project requirements may require me to move to a different location

• I am willing to adapt to new environments and work with different teams
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Easy to answer if you think peacefully

Q1. They will ask questions on technical which are related to what you mention in self bio
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Q1. Just like interaction and .. questions about relocate and eger to learn new things on business requirement
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Basic maths like mixture, speed time distance, profit loss etc

2 coding. Candidates can choose any language. Whatever they will prefer

Q1. Depends on candidates stream. My stream was CSE. So Interviewer asked basics of cse subjects like data structures, c , oops, Java, SQL. And some HR related questions based on current situations.
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Q2. How many types of join inSQL?
Ans. 
There are four types of joins in SQL: INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN.
• INNER JOIN: Returns rows when there is at least one match in both tables.

• LEFT JOIN: Returns all rows from the left table, and the matched rows from the right table.

• RIGHT JOIN: Returns all rows from the right table, and the matched rows from the left table.

• FULL JOIN: Returns rows when there is a match in one of the tables.
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Q3. What is inheritance
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Inheritance is a concept in object-oriented programming where a class can inherit attributes and methods from another class.
• Allows a class to inherit attributes and methods from another class

• Promotes code reusability and reduces redundancy

• Creates a parent-child relationship between classes

• Derived class can access public and protected members of the base class

• Example: Class 'Car' can inherit from class 'Vehicle'
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Q4. What is encapsulation
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Encapsulation is the concept of bundling data and methods that operate on the data into a single unit, known as a class.
• Encapsulation helps in hiding the internal state of an object and restricting access to it.

• It allows for data hiding, which prevents direct access to the internal state of an object.

• Encapsulation also helps in achieving data abstraction, where the internal details of an object are hidden and only the ...read more
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Q5. What are the differences between array list and array?
Ans. 
Array list is a dynamic array that can grow or shrink in size, while array has a fixed size.
• Array list can dynamically resize itself, while array has a fixed size.

• Array list is part of Java's Collection framework, while array is a basic data structure in most programming languages.

• Array list allows insertion and deletion of elements at any position, while array does not support this flexibility.
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