PHN Technology Software Developer Interview Questions, Process, and Tips

Q1. What is middleware
Ans. 
Middleware is software that acts as a bridge between different applications, allowing them to communicate and share data.
• Middleware facilitates communication and data exchange between different software components.

• It provides a layer of abstraction, allowing applications to interact without needing to understand each other's internal workings.

• Examples of middleware include web servers, message queues, and API gateways.
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Q2. What is MVC, does laravel follow MVC architecture
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MVC stands for Model-View-Controller. Laravel follows the MVC architecture.
• MVC is a software design pattern that separates an application into three interconnected components: Model, View, and Controller.

• Model represents the data and business logic of the application.

• View is responsible for rendering the user interface.

• Controller handles the user input, updates the model, and interacts with the view.

• Laravel, a popular ...read more
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Q3. Difference between == and ===
Ans. 
The difference between == and === is that == performs type coercion, while === does not.
• The == operator compares two values for equality, allowing type coercion.

• The === operator compares two values for equality, without type coercion.

• Using ==, different types can be considered equal if they can be coerced into the same value.

• Using ===, different types are not considered equal, even if they have the same value.
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Q4. Explain OOPS Concept
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OOPS (Object-Oriented Programming) is a programming paradigm that uses objects to represent and manipulate data.
• OOPS focuses on creating reusable code through the use of classes and objects.

• It emphasizes the concepts of encapsulation, inheritance, and polymorphism.

• Encapsulation allows data and methods to be bundled together within a class.

• Inheritance enables the creation of new classes based on existing ones, inheritin...read more
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Q5. What is model, controller, migrations in laravel
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Model, controller, and migrations are key components in the Laravel framework for organizing and managing database-related operations.
• Model: Represents the data structure and logic of a specific table in the database.

• Controller: Handles the logic and flow of the application, interacting with models and views.

• Migrations: Allow for database schema changes and version control, making it easy to manage and deploy database ...read more
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Build customer enquiry page with client/server input validation, after successful registration send an email to the user, also add google recaptcha

Q1. HR give our interview to know the knowledge of employees
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Q2. What's our skill present in this field What was company hired you
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Q3. What is your previous acheivment
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Q4. Why are you company hired you
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Pandas numpy matplotlib mean median mode and linear regression assignment

Q1. What is mean by linear regression and their types
Ans. 
Linear regression is a statistical method to model the relationship between a dependent variable and one or more independent variables.
• Linear regression is used to predict a continuous outcome based on one or more input features.

• Types of linear regression include simple linear regression (one independent variable), multiple linear regression (multiple independent variables), and polynomial regression (non-linear relati...read more
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