Young Decade IT Software Solution PHP Developer Interview Questions and Answers

Q1. Tell me about yourself
Ans. 
I am a passionate web developer with 5 years of experience in front-end and back-end development.
• 5 years of experience in web development

• Skilled in front-end and back-end development

• Passionate about creating user-friendly and efficient websites
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Q2. Rate yourself in different technologies
Ans. 
I rate myself highly in HTML, CSS, JavaScript, and React.
• HTML - Proficient in creating semantic and accessible web pages

• CSS - Skilled in styling and layout design, including responsive design

• JavaScript - Strong understanding of core concepts and modern ES6+ features

• React - Experienced in building interactive and dynamic web applications
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Q3. Technical questions
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Implement a web page as per description

There was a machine test organised as the 1st round of the interview process. The machine test was on Angular

Q1. Throw some light on the new angular feature that doesn't use @NgModule
Ans. 
The new Angular feature that doesn't use @NgModule is called Ivy.
• Ivy is the new rendering engine in Angular that doesn't rely on @NgModule for compilation.

• It allows for faster compilation times and smaller bundle sizes.

• Ivy enables features like improved tree shaking and better debugging capabilities.

• Example: Angular 9 introduced Ivy as the default rendering engine.
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Q2. How would the application work without @NgModule
Ans. 
The application would not work properly without @NgModule as it is required to bootstrap the application and configure dependencies.
• Without @NgModule, the application would not be able to bootstrap and start properly.

• NgModule is used to configure dependencies, such as components, directives, and services.

• NgModule also helps in organizing the application into modules for better maintainability and reusability.
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Q3. Mid level Angular interview questions
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Q4. What are types of directives in angular
Ans. 
Types of directives in Angular include structural directives, attribute directives, and component directives.
• Structural directives are used to add or remove elements from the DOM based on conditions (e.g. *ngIf, *ngFor)

• Attribute directives are used to change the appearance or behavior of an element (e.g. ngStyle, ngClass)

• Component directives are custom directives that are components themselves (e.g. @Component)
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Q5. Can a service file have more than one instance? If yes how?
Ans. 
Yes, a service file can have more than one instance by creating multiple instances of the service class.
• Multiple instances of a service class can be created by instantiating the class multiple times.

• Each instance will have its own state and can be used independently.

• This can be useful for scenarios where multiple instances of the same service are needed to handle different tasks.
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Q6. What are pipes in angular?
Ans. 
Pipes in Angular are used for transforming data in templates.
• Pipes are used to format data before displaying it in the view.

• They can be used to filter, sort, or transform data in various ways.

• Examples include currency, date, uppercase, and lowercase pipes.
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Q1. How to make an application scalable?
Ans. 
To make an application scalable, consider using cloud services, optimizing database queries, caching frequently accessed data, and using microservices architecture.
• Utilize cloud services like AWS or Azure for scalability on demand

• Optimize database queries to improve performance

• Implement caching mechanisms for frequently accessed data to reduce load on servers

• Use microservices architecture to break down the application ...read more
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Q2. Interview questions based on architecture of project and less of technical aspects
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Q1. Salary negotiation, polices discussion, company norms and some basic HR questions.
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Q1. Why do we use database
Ans. 
Databases are used to store, organize, and retrieve data efficiently for various applications.
• Efficient data storage and retrieval

• Data organization and management

• Data security and integrity

• Support for concurrent access and transactions

• Scalability and performance optimization
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Q2. What are SQL joins
Ans. 
SQL joins are used to combine rows from two or more tables based on a related column between them.
• Joins are used to retrieve data from multiple tables in a single query

• Common types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN

• Joins are based on a related column between the tables, such as a primary key and foreign key relationship
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It was so easy. Even this round is conducted by hr they are not suree

This was my final round

Aptitude, Reasoning ,c

Artificial intelligence

Q1. Questions based on javascript, html, css .it will be based on what role you are applying for
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Q2. Css flexbox, box model, html doctype, semantic tags javascript asynchronous , localstorage etc
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There were 3 coding questions in the first round

30 MCQ questions based on Math, reasoning and English and also email writing

Q1. I'm on it my interview scheduled on 14 oct
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Coding round with 4 coding problem

Q1. Interviewer give coding problems which we have to solved face to face
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Q1. Then question answer regarding coding language and you knowledge regarding programming
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