Cogniter Technologies Junior Software Engineer Interview Questions and Answers

20 questions were there and enough time was given. Questions were easy to medium

Q1. Basics of programming were asked. You will be asked to make logic for the given problem.
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Q2. Star pattern, Fibonacci series, swap two numbers without third variable
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Q1. They simply check your communication skills and behaviour
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Q1. Class four pillars of oops
Ans. 
The four pillars of OOP are encapsulation, inheritance, polymorphism, and abstraction.
• Encapsulation: Bundling of data and methods into a single unit (class) to hide implementation details.

• Inheritance: Ability of a class to inherit properties and behaviors from another class.

• Polymorphism: Ability of objects of different classes to respond to the same message in different ways.

• Abstraction: Simplifying complex systems by ...read more
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Q2. Css basic questions tag in html
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Q1. Introduction discuss about bond
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Q2. Basic questions family background only check communication
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Q1. Basics questions in javascript questions like what is closures, what projects do you have created. How many threads run in React Native.
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Q1. What projects you have developed
Ans. 
I have developed various projects including a mobile app for tracking fitness goals and a web application for managing inventory.
• Developed a mobile app for tracking fitness goals using React Native

• Created a web application for managing inventory using Angular and Node.js

• Implemented a data analytics platform for analyzing user behavior using Python and SQL
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Q2. Have you implemented any Android sdk in the projects
Ans. 
Yes, I have implemented Android SDK in multiple projects.
• I have used Android SDK to develop various features like push notifications, location services, and in-app purchases.

• I have also integrated third-party SDKs like Facebook and Google Maps SDKs in my projects.

• I am familiar with Android Studio and have used it extensively for Android app development.

• I have experience with different versions of Android SDK and have d
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Q3. What is the flow of push notifications
Ans. 
Push notifications are sent from a server to a client device to notify the user of new content or updates.
• The server sends a notification to the push notification service (e.g. Firebase Cloud Messaging)

• The push notification service sends the notification to the client device

• The client device receives the notification and displays it to the user
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Q1. What is the reason for change. How many people are their in your family.
Ans. 
The reason for change can vary based on individual circumstances. The number of people in my family is...
• Reasons for change can include personal growth, career advancement, or seeking new challenges.

• The number of people in my family is [insert number].

• Example: The reason for change in my previous job was the lack of growth opportunities.

• Example: There are 4 people in my family.
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Q1. Basic questions
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Q1. Basic Questions about your projects
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Q1. Salary discussion
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Q1. Basic question about the post like node.js developer then question will be related to node.js
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Q2. Some question from your project which you have mentions in your cv or resume.
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Q1. Basic Question about security.
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Q2. Some baisc of array questions or string
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Q1. Diff b/w CTE and SubQuery
Ans. 
CTE is a temporary result set that can be referenced within a query, while a subquery is a query nested within another query.
• CTE stands for Common Table Expression and is defined using the WITH keyword.

• CTEs can be referenced multiple times within a query.

• Subqueries are enclosed in parentheses and can only be referenced once in a query.

• Subqueries can be correlated or non-correlated.

• CTEs are generally used for readabilit...read more
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Q2. What is middleware in mvc core
Ans. 
Middleware in MVC Core is software components that are used to handle requests and responses in the application pipeline.
• Middleware components are added to the application pipeline in the Startup class using the UseMiddleware method.

• Each middleware component in the pipeline can inspect, modify, or short-circuit the request pipeline.

• Middleware components can perform tasks such as authentication, logging, error handling,...read more
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Q1. Android Question with Past projects
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Q1. Behavior questions and Some Project based Questions
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Q1. Logical question
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Q2. Basic opps and collection
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