Elsner Technologies Interview Questions, Process, and Tips

Q1. Some basic questions like loops, array, switch case, sql query
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Q2. Like loops, array, switch case
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Q3. Sql query , php related
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The first round was a group discussion, and the question posed was, "What should be done to introduce a new technology in the company, and how will you ensure that everyone learns about that technology?"

Q1. What does OOP stand for?
Ans. 
OOP stands for Object-Oriented Programming, a programming paradigm based on objects and classes.
• Encapsulation: Bundling data and methods that operate on the data within one unit (e.g., a class).

• Inheritance: Mechanism where a new class inherits properties and behavior from an existing class (e.g., a 'Dog' class inheriting from an 'Animal' class).

• Polymorphism: Ability to present the same interface for different underlyin...read more
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Q2. What are the features of Object-Oriented Programming (OOP)?
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OOP features include encapsulation, inheritance, polymorphism, and abstraction, enhancing code reusability and organization.
• Encapsulation: Bundling data and methods that operate on the data within one unit (class). Example: A 'Car' class with properties like 'color' and methods like 'drive()'.

• Inheritance: Mechanism to create a new class from an existing class, inheriting its properties and methods. Example: 'ElectricCa...read more
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Q3. SQL related question
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Q1. Can you introduce yourself?
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I'm a passionate WordPress developer with 5 years of experience in creating custom themes and plugins for diverse clients.
• Experience in developing custom WordPress themes using HTML, CSS, and PHP.

• Proficient in creating and managing WordPress plugins, such as a custom booking system for a local business.

• Skilled in optimizing websites for speed and SEO, resulting in a 30% increase in organic traffic for a client.

• Familiar...read more
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Q1. Basic Testing related question Some test cases and scenarios based
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Q2. Types of testing
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Types of testing include functional testing, non-functional testing, manual testing, automated testing, regression testing, and performance testing.
• Functional testing: Testing the functionality of the software against the requirements.

• Non-functional testing: Testing aspects like performance, usability, and security.

• Manual testing: Testing performed manually by QA engineers.

• Automated testing: Testing performed using aut...read more
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Q3. Sdlc phases and definition
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SDLC phases include planning, analysis, design, implementation, testing, and maintenance.
• Planning: Define project scope, goals, and requirements.

• Analysis: Gather and analyze user needs and system requirements.

• Design: Create a detailed design plan for the software.

• Implementation: Develop the software based on the design.

• Testing: Verify that the software meets requirements and is bug-free.

• Maintenance: Update and improve
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Q4. Test cases write test case on atm
Ans. 
Test cases for ATM functionality
• Verify if the ATM machine is dispensing the correct amount of cash requested by the user

• Check if the ATM machine is accepting valid debit/credit cards and rejecting invalid ones

• Ensure that the ATM machine is displaying the correct balance after a transaction

• Test the ATM machine's ability to handle multiple transactions in a short period of time
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Q5. About agile principle and methodology
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It's online coding test

Q1. What is JS and how it works
Ans. 
JS stands for JavaScript, a high-level programming language used for creating interactive websites and web applications.
• JS is a client-side scripting language that runs in the browser.

• It is used to add interactivity, animations, and dynamic content to websites.

• JS can be used alongside HTML and CSS to create responsive and user-friendly web applications.

• Example: document.getElementById('demo').innerHTML = 'Hello World';
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