Chetu Interview Questions and Answers

It was well designed

Q1. Basic Questions about data warehousing
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Q2. Dbt Scenarios
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CBT-based assessments in aptitude and pseudocode for the MCA program.

Q1. React development basic questions
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Q2. Basic html, css, js
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Q3. Basic JSX and introduction of react
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Q4. Basic state management like useState, useeffect, usecontext
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Q5. Redux for global state management
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Redux is a popular library for managing global state in React applications.
• Redux helps in managing the state of the entire application in a single store.

• It provides a predictable state container that can be accessed and modified using actions and reducers.

• Redux allows for a unidirectional data flow, making it easier to debug and trace changes in the application state.

• It is commonly used in large-scale applications wher...read more
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Q1. What are the joins in my sql?
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Joins in SQL combine rows from two or more tables based on related columns.
• INNER JOIN: Returns records with matching values in both tables. Example: SELECT * FROM A INNER JOIN B ON A.id = B.id;

• LEFT JOIN: Returns all records from the left table and matched records from the right table. Example: SELECT * FROM A LEFT JOIN B ON A.id = B.id;

• RIGHT JOIN: Returns all records from the right table and matched records from the le...read more
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Q2. What is the difference between print and echo in PHP ?
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Print and echo are both used to output data in PHP, but they have key differences in usage and behavior.
• echo can take multiple parameters: echo 'Hello', 'World';

• print can only take one argument: print 'Hello World';

• echo is slightly faster than print because it doesn't return a value;

• print returns 1, so it can be used in expressions: $result = print 'Hello';

• echo does not require parentheses: echo 'Hello'; while print do...read more
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Maths ,english ,reasoning, puzzles

Jackeron was the platform

Q1. About myself introduction
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Q2. Java,html,css, about ms word, office
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Q3. About company and salary
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Basic aptitude test with technical and non technical question

Q1. What is event loop
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The event loop is a core concept in JavaScript that manages asynchronous operations and executes code in a non-blocking manner.
• The event loop allows JavaScript to perform non-blocking I/O operations despite being single-threaded.

• It works with a call stack, a callback queue, and a message queue to handle asynchronous tasks.

• When an asynchronous operation completes, its callback is pushed to the callback queue.

• The event l...read more
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Q1. What is the DevOps and Advantages
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DevOps is a cultural and technical movement that enhances collaboration between development and operations teams for faster software delivery.
• Improved collaboration: Breaks down silos between development and operations teams, fostering a culture of shared responsibility.

• Faster time to market: Continuous integration and continuous deployment (CI/CD) practices enable quicker releases, like deploying updates to a web appl...read more
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Q2. What is the terraform?
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Terraform is an open-source infrastructure as code tool for building, changing, and versioning infrastructure safely and efficiently.
• Declarative Configuration: Users define infrastructure in configuration files using HashiCorp Configuration Language (HCL).

• Resource Management: Terraform manages resources across various providers like AWS, Azure, and Google Cloud.

• State Management: It maintains a state file to keep track ...read more
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