CodeClouds Web Developer Interview Questions, Process, and Tips

Php mcq

Q1. Basic concepts of PHP
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Q2. What is multilevel inhertance
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Multilevel inheritance is a concept in object-oriented programming where a class inherits properties and methods from another class, which in turn inherits from another class.
• Multilevel inheritance involves creating a hierarchy of classes, where each class inherits from the class above it.

• The derived class inherits the properties and methods of the base class, and can also add its own unique properties and methods.

• This...read more
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Q1. PHP OOPS Concept , Structures
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Q1. Why should we hire you?
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Q1. Basic to intermediate level questions.
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Machine test on your technology stack. Deeply conceptual.

Q1. Conceptual, deep logic and reasoning
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Q1. Why we should hire you? Keep yourself ready with answer to face this question.
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Q1. Interface vs abstract class
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Interface defines only method signatures while abstract class can have method implementations.
• Interface cannot have constructors while abstract class can.

• A class can implement multiple interfaces but can inherit only one abstract class.

• Abstract class can have non-abstract methods while interface cannot.

• Abstract class can have instance variables while interface cannot.

• Example of interface: Runnable interface in Java.

• Exa...read more
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Q1. I was interviewed on the skills that are mentioned in my resume. It was an easy round. Only basic questions were asked in this round.
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Q2. What is document object model?
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Document Object Model (DOM) is a programming interface for web documents.
• DOM is a tree-like structure that represents the HTML or XML document.

• It allows developers to manipulate the content and structure of a web page using programming languages like JavaScript.

• DOM provides a set of methods and properties to access and modify the elements of a web page.

• Changes made to the DOM are reflected in the web page in real-time.

• ...read more
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Q3. Questions on object oriented php
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Q4. MySQL - limit, offset, aggregate functions, where vs having, group_concat vs concat
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Q5. JavaScript - language fundamentals, promise, async await, callback, break vs continue
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Q6. Laravel - request life cycle, dependency injection, explicit vs implicit routing, design patterns
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Q7. Vue - lifecycle hooks, component communications, watch vs computed vs methods
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Q1. Different technical scenario based questions were asked in this round.
Ans. They wanted to hear elaborative answer in this round.
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Q1. Even in HR round technical questions were asked so be prepared to face the challenges.
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Q2. What is ACID property?
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ACID property ensures database transactions are reliable and consistent.
• ACID stands for Atomicity, Consistency, Isolation, and Durability.

• Atomicity ensures that a transaction is treated as a single, indivisible unit.

• Consistency ensures that a transaction brings the database from one valid state to another.

• Isolation ensures that concurrent transactions do not interfere with each other.

• Durability ensures that once a tran...read more
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Q3. What is normalization?
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Normalization is the process of organizing data in a database to reduce redundancy and dependency.
• Normalization helps to eliminate data redundancy and inconsistencies.

• It involves breaking down a table into smaller tables and defining relationships between them.

• Normalization is achieved through a series of normal forms, such as first normal form (1NF), second normal form (2NF), and so on.

• Normalization ensures data consi...read more
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