Cognizant Programmer Analyst Trainee Interview Questions, Process, and Tips

The candidates were allowed to write 50 MCQ and shortlisted by their marks

Q1. Write a code to explain method overriding.
Ans. 
Method overriding is when a subclass provides a specific implementation of a method that is already provided by its parent class.
• In method overriding, the method in the subclass has the same name, return type, and parameters as the method in the parent class.

• The overridden method in the subclass should have the same or broader access modifier than the method in the parent class.

• Example: class Animal { void sound() { Sy...read more
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Q2. What is cloud computing
Ans. 
Cloud computing is the delivery of computing services over the internet, including storage, databases, networking, software, and more.
• Cloud computing allows users to access resources on-demand without the need for physical infrastructure.

• Examples of cloud computing services include Amazon Web Services (AWS), Microsoft Azure, and Google Cloud Platform.

• It offers scalability, flexibility, and cost-effectiveness for busine...read more
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Q3. What are cypher technique and explain cypher
Ans. 
Cypher is a cryptographic technique used to encrypt and decrypt data.
• Cypher is a method of encoding information to keep it secure from unauthorized access.

• It involves using algorithms to transform plaintext into ciphertext, and vice versa.

• Examples of cypher techniques include AES, DES, and RSA.
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Q4. What is object oriented programming language
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Object oriented programming language is a type of programming language that uses objects and classes to organize code.
• Uses objects and classes to model real-world entities

• Encapsulates data and behavior within objects

• Supports inheritance, polymorphism, and encapsulation

• Examples include Java, C++, Python
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Q5. Why cloud computing is used
Ans. 
Cloud computing is used for scalability, cost-effectiveness, flexibility, and accessibility of resources.
• Scalability: Easily scale resources up or down based on demand.

• Cost-effectiveness: Pay only for the resources you use, reducing upfront costs.

• Flexibility: Access resources from anywhere with an internet connection.

• Accessibility: Allows for collaboration and sharing of resources across different locations.

• Examples: A...read more
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2 hours ,all topics covered

Q1. Python codes,lists,tuples,dictionaries
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Q1. OOPs concepts and basic sql, java coding
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Q2. Core engineering questions
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Quantitative aptitude and verbal reasoning from class 10, the English section would be easy if you practice the reading comprehension. Go through all the questions carefully and attempt all the questions.

Q1. Basics questions to check foundation of programming
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Q2. Tell me about if and function...
Ans. 
If statements are used to make decisions in programming based on a condition. Functions are blocks of code that can be called and executed.
• If statements are used to execute a block of code only if a specified condition is true.

• Functions are reusable blocks of code that can be called multiple times.

• Example: if (x > 5) { // do something }

• Example: function addNumbers(a, b) { return a + b; }
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It's pretty easy. We don't really have be stressed about this

Q1. They ask you basic questions from Java and c mostly includes oops concepts . Make sure that you are perfect about the things you added in resume
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Q1. Hr round is mostly about the your hobbies and interests which are included in your resume. Your strength and weakness and some general questions regarding your social life
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Q1. How http works in web tech
Ans. 
HTTP is a protocol used for communication between web servers and clients.
• HTTP stands for Hypertext Transfer Protocol.

• It is used to transfer data over the internet.

• HTTP requests are made by clients and responded by servers.

• HTTP uses different methods like GET, POST, PUT, DELETE, etc.

• HTTP headers are used to provide additional information about the request or response.

• HTTP status codes are used to indicate the status of...read more
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Q2. They asked one puzzle too
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