Cognizant Junior Programmer Analyst Interview Questions and Answers

Coding test will be pretty hard. 2 questions will be giv

Coding test will be pretty hard. Have to choose any one of 2 questions given and solve it in 45 mins.
Atleast 70-80% test case needs to be cleared to pass

Q1. Drill down on the tech stack mentioned in CV
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Q2. Basic concepts of Java
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Q3. Advanced java like stream, sealed classes, webflux etc
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Q4. Concepts on cloud, docker, kubernetes etc
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Q1. What is the repository design pattern?
Ans. 
Repository design pattern is a design pattern that separates the data access logic from the business logic in an application.
• It helps in achieving separation of concerns by isolating the data access code in a separate layer.

• It provides a centralized way to access data from various sources such as databases, web services, etc.

• It makes the codebase more maintainable and testable by abstracting the data access logic.

• Examp...read more
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Q2. What is the difference between IEnumerable and IQueryable?
Ans. 
IEnumerable is used for in-memory collection operations, while IQueryable is used for database query operations.
• IEnumerable is used for querying data from in-memory collections like arrays, lists, etc.

• IQueryable is used for querying data from a database using LINQ to SQL or Entity Framework.

• IEnumerable executes the query in-memory, while IQueryable executes the query on the database server.

• IEnumerable is suitable for L...read more
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1st round is Cognitive which consists of English, pseudocodes, Arthametic and reasoning.

2nd is coding consists of 2nd questions.

Q1. Introduce yourself? Tell me about your projects. Basics in python.
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Q2. Why do you choose engineering
Ans. 
I chose engineering because I have always been fascinated by problem-solving and creating innovative solutions.
• Passion for problem-solving and creating innovative solutions

• Interest in technology and how things work

• Opportunities for creativity and continuous learning

• Desire to make a positive impact on society through technological advancements
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Q1. Difference between web.config and Machine.config
Ans. 
web.config is specific to a web application and overrides settings in Machine.config
• web.config is specific to a web application, while Machine.config is at the machine level

• web.config can override settings in Machine.config for a specific application

• Machine.config is located in the .NET framework folder, while web.config is in the application folder
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Q2. Explain about state management
Ans. 
State management in .NET refers to the process of storing and retrieving data during the lifecycle of an application.
• State management can be achieved using various techniques such as session state, view state, cookies, and query strings.

• Session state allows storing user-specific data across multiple pages during a user session.

• View state stores the state of the page and its controls between postbacks.

• Cookies can be use...read more
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Q1. Interviewer was rude
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Q2. Oops c# basics sql azure
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Q1. What is work of team lead? how do you handle workload of yours and the junior assigned to you? how do u handle conflicts?
Ans. 
Team lead is responsible for managing the workload of the team, including assigning tasks, providing guidance, and resolving conflicts.
• Assign tasks to team members based on their skills and workload capacity

• Provide guidance and support to junior team members to help them complete their tasks successfully

• Monitor progress of tasks and ensure deadlines are met

• Resolve conflicts within the team by listening to all parties i...read more
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Q2. Other deep technical questions
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Q1. How to connect to PHP to SQL ?
Ans. 
To connect PHP to SQL, use functions like mysqli_connect or PDO to establish a connection and execute queries.
• Use mysqli_connect function to establish a connection with MySQL database

• Use PDO class to connect to various types of databases like MySQL, PostgreSQL, etc.

• Execute SQL queries using functions like mysqli_query or PDO::query
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Q2. Full form of PHP?
Ans. 
Hypertext Preprocessor
• Stands for Hypertext Preprocessor

• Server-side scripting language

• Used for web development

• Open source and free to use
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Q3. Haepar text pre prosesar
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Q4. Php and SQL opsn sorss language
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Arithmetic, reasoning, English