Cognizant Intern Interview Questions, Process, and Tips

It was coding test genc-next ,there was total 3 questions 1 hard 1 medium and 1 easy ,i had pass 1.5 question and i had shortlisted for genc-elevate further round.

Q1. First interview asked tell me abou yourself. Second they asked about Oops question where they asked about polymorphism, inheritance and other oops concepts. Then they asked 1 aptitude question . And finall...read more
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Round duration - 45 minutes
Round difficulty - null
The test was on AMCAT platform and the questions were multiple choice questions. It was an online test. There are 3 sections:- 1. Quants 2. Logical 3. English The questions were of easy to moderate difficulty level.

Q1. Aptitude question like ratio and proportion, speed time distance etc.
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Round duration - 20 minutes
Round difficulty - null
As I belonged to a core background(mechanical) so the interviewer was quite lenient and asked more from my subjects and basic questions related to C, python and OOPs concepts.

Q1. Introduce yourself
Ans. 
I am a highly motivated individual with a passion for learning and problem-solving.
• I have a degree in computer science and have worked as a software developer for 2 years.

• I am proficient in programming languages such as Java, Python, and C++.

• I have experience working in agile development environments and collaborating with cross-functional teams.

• I am a quick learner and enjoy taking on new challenges.

• In my free time, I
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Q2. Why do you want to enter the IT sector?
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Q3. Where do you rate your programming skills on a scale of 1 to 10?
Ans. 
I rate my programming skills at 8 out of 10.
• I have experience in multiple programming languages such as Java, Python, and C++.

• I have completed several projects including a web application and a mobile app.

• I am constantly learning and improving my skills through online courses and personal projects.
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Q4. Are you comfortable to code on this interview call?
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Q5. Define data types
Ans. 
Data types are classifications of data items based on their characteristics and properties.
• Data types determine the type of data that can be stored in a variable or used in an expression.

• Common data types include integers, floating-point numbers, characters, strings, and booleans.

• Data types can be categorized as primitive or non-primitive, depending on whether they are built-in or user-defined.

• Primitive data types incl...read more
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Q6. Define OOPs concept.
Ans. 
OOPs is a programming paradigm that focuses on objects and their interactions to solve problems.
• OOPs stands for Object-Oriented Programming.

• It emphasizes on encapsulation, inheritance, and polymorphism.

• Encapsulation is the process of hiding implementation details from the user.

• Inheritance allows a class to inherit properties and methods from another class.

• Polymorphism allows objects to take on multiple forms or behavio...read more
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Q7. What is memory allocation?
Ans. 
Memory allocation is the process of assigning memory space to programs or processes.
• Memory allocation is essential for programs to run efficiently.

• It involves reserving a block of memory for a program to use.

• There are different methods of memory allocation such as stack allocation and heap allocation.

• Examples of memory allocation functions in programming languages include malloc() in C and new operator in C++.
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Q8. What do you know about beams?
Ans. 
Beams are structural elements that support loads by resisting bending.
• Beams are typically horizontal, but can also be vertical or diagonal.

• They are commonly made of wood, steel, or concrete.

• The shape and size of a beam depends on the load it needs to support and the span it needs to cover.

• Examples of beams include floor joists, roof trusses, and bridge girders.
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Q9. Define Thrust
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Thrust is the force that propels an object forward.
• Thrust is a force that acts in the opposite direction to drag.

• It is commonly used in the context of propulsion systems, such as rockets and jet engines.

• Thrust can be measured in units of force, such as pounds or newtons.

• Examples of thrust include the force generated by a car's engine, the thrust of a rocket during liftoff, and the thrust of a swimmer's arms and legs th
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Q10. Define turbines and its type?
Ans. 
Turbines are machines that convert fluid energy into mechanical energy. There are four types of turbines: steam, gas, hydro, and wind.
• Turbines are used in power generation, aviation, and marine propulsion.

• Steam turbines are commonly used in power plants.

• Gas turbines are used in aviation and power generation.

• Hydro turbines are used in hydroelectric power plants.

• Wind turbines are used in wind farms to generate electricit...read more
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Round duration - 10 minutes
Round difficulty - null
It was an extremely short round where most of it was focused on document verification and id-proofs.

Q1. Are you a team leader? If yes, please justify
Ans. 
Yes, I am a team leader.
• I have experience leading a team of 5 in my previous job.

• I have successfully managed projects and delegated tasks to team members.

• I have received positive feedback from my team members and superiors on my leadership skills.

• I believe in fostering a collaborative and supportive work environment to achieve team goals.
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Q2. Why do you want to join Cognizant?
Ans. 
I want to join Cognizant because of its reputation as a leading technology company and its focus on innovation and growth.
• Cognizant has a strong reputation in the technology industry and is known for its innovative solutions.

• I am impressed by the company's commitment to growth and its focus on developing new technologies and services.

• I believe that Cognizant offers a dynamic and challenging work environment that will a...read more
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Q3. Please show your Aadhaar Card and College ID.
Ans. 
I presented my Aadhaar Card and College ID as requested.
• I handed over my Aadhaar Card and College ID to the interviewer.

• The interviewer checked both documents to verify my identity and enrollment in college.
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Cognitive test, one hours duration, aptitude type of questions

Q1. Basic Data structures and algorithms, problem statement and code implementation
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60mins easy level exam u can also find and on the internet also

Q1. Interview few questions about urself general interview-easy level
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Q1. What are your strength and weaknesses
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Round duration - 40+140 mins
Round difficulty - null
Conceptual/ Code Analysis and Case study. Questions related to DSA, DBMS, trees, database, programming construct, SQL, Web and UI.

Q1. Question on binary tree
Ans. 
A binary tree is a data structure in which each node has at most two children, referred to as the left and right child.
• Binary trees are used in many algorithms such as binary search, Huffman coding, and decision trees.

• Traversal of a binary tree can be done in three ways: inorder, preorder, and postorder.

• Examples of binary trees include expression trees, AVL trees, and binary heaps.
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Round duration - 20 Mins
Round difficulty - null
The technical face-to-face interview round is the most crucial in the entire interview process. I was well-versed in computer science fundamentals such as OOPS, DBMS, CN, OS and was able to communicate them clearly to the interviewer

Q1. List out the differences between Generalization and Specialization in DBMS
Ans. 
Generalization and Specialization are two important concepts in DBMS.
• Generalization is the process of combining two or more entities into a higher-level entity.

• Specialization is the process of dividing a higher-level entity into two or more lower-level entities.

• Generalization is a top-down approach while specialization is a bottom-up approach.

• Generalization is used to represent a group of entities that share common att...read more
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Q2. What exactly is index hunting, and how does it aid query performance?
Ans. 
Index hunting is the process of finding the best index for a query to improve its performance.
• Index hunting involves analyzing the query and the database schema to determine the most efficient index to use.

• It can involve creating new indexes or modifying existing ones.

• For example, if a query frequently searches for a specific column, creating an index on that column can significantly improve performance.

• Index hunting i...read more
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Q3. What is the fill factor in SQL? What is its default value?
Ans. 
Fill factor is the percentage of space on each leaf-level page to be filled with data.
• It determines how much data is written to a page during index creation or rebuild.

• It can improve performance by reducing page splits and fragmentation.

• The default value is 0, which means the page is filled to 100%.

• A fill factor of 80 means the page is filled to 80% and 20% is left empty for future growth.
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Q4. How does Dynamic Loading help in better memory space utilization?
Ans. 
Dynamic Loading allows loading of modules only when required, freeing up memory space.
• Dynamic Loading loads modules only when required, freeing up memory space.

• It allows for better memory utilization by loading only necessary modules.

• For example, in a web application, images can be loaded dynamically as the user scrolls down the page.

• This reduces the initial load time and improves the overall performance of the applica
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Q5. How will you print the address of a variable without using a pointer?
Ans. 
Printing the address of a variable without using a pointer can be done by using the & operator.
• Use the & operator before the variable name to print its address

• Example: int num = 10; printf("%p", &num);

• This will print the address of the variable num
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Round duration - 10 minutes
Round difficulty - null
They asked for documents and asked basic HR questions

Q1. Introduce yourself
Ans. 
I am a highly motivated individual with a passion for learning and problem-solving.
• I have a degree in computer science and have worked as a software developer for 2 years.

• I am proficient in programming languages such as Java, Python, and C++.

• I have experience working in agile development environments and collaborating with cross-functional teams.

• I am a quick learner and enjoy taking on new challenges.

• In my free time, I
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Q2. Why cognizant?
Ans. 
Cognizant is a leading global IT services company with a strong focus on innovation and client satisfaction.
• Cognizant has a diverse range of clients across industries and geographies

• The company has a strong reputation for delivering high-quality services and solutions

• Cognizant invests heavily in research and development to stay ahead of industry trends

• The company has a culture of continuous learning and development for...read more
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Q3. Are you interested in an internship or learning program?
Ans. 
Yes, I am interested in an internship or learning program.
• I am eager to gain practical experience in my field of study.

• I am open to learning new skills and expanding my knowledge.

• I am excited to work with professionals in the industry and learn from their expertise.
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Q4. Do you have any questions?
Ans. 
Yes, I have a few questions regarding the company culture and growth opportunities.
• Can you tell me more about the company's values and how they are reflected in the workplace?

• What kind of professional development opportunities are available for employees?

• How does the company encourage work-life balance?

• Can you give me an example of a recent project the team has worked on?

• What is the company's approach to diversity and
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