Invezza Technologies PHP Developer Interview Questions and Answers

Q1. OOPS concetps with DSA
Ans. 
OOPS concepts refer to Object-Oriented Programming principles, while DSA stands for Data Structures and Algorithms.
• OOPS concepts include encapsulation, inheritance, polymorphism, and abstraction.

• DSA involves the study of data structures like arrays, linked lists, trees, and algorithms like sorting and searching.

• Understanding OOPS helps in designing efficient data structures and algorithms for software development.
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It was a handson coding test contains 4 coding questions on prime numbers patterns and array it was easy

Q1. All questions based on resume on javascript java and react and mainly on projects
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Basic questions like reverse a number, print Fibonacci series, character replacement

Q1. Basic questions on .net framework, c# coding language
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Q2. Advanced level questions on MySql and Linq.
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Q3. What is the best approach to find the missing number from set of consecutive n numbers
Ans. 
One approach is to calculate the sum of all numbers in the set and then subtract the sum of the given numbers to find the missing number.
• Calculate the sum of all numbers in the set using the formula n*(n+1)/2, where n is the total number of elements in the set.

• Calculate the sum of the given numbers in the set.

• Subtract the sum of the given numbers from the sum of all numbers to find the missing number.
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Q1. Salary negotiation and document process. No questions.
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Aptitude questions along with it contained coding mcq question and sql query questions also

They gave 3 coding questions and 3 sql queries

Q1. 1.diffrence between javaScript and nodejs
Ans. 
JavaScript is a programming language used for web development, while Node.js is a runtime environment for executing JavaScript code outside of a web browser.
• JavaScript is primarily used for client-side scripting, while Node.js is used for server-side scripting.

• JavaScript is executed in a web browser, while Node.js is executed on a server.

• Node.js provides additional modules and libraries for server-side development, suc...read more
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Q2. 2.Tell me the angular lifecycle
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Angular lifecycle consists of eight different phases.
• The first phase is ngOnChanges() which is called when a component receives data-bound input properties.

• The second phase is ngOnInit() which is called once the component is initialized.

• The third phase is ngDoCheck() which is called during every change detection run.

• The fourth phase is ngAfterContentInit() which is called after the component's content has been projecte...read more
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Q3. 3. what is the use of ORM Tool
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ORM tool is used to map object-oriented programming language to a relational database management system.
• ORM tool helps in reducing the amount of code required to interact with the database.

• It provides an abstraction layer between the application and the database.

• ORM tool helps in managing the database schema and relationships between tables.

• It allows developers to work with objects instead of SQL statements.

• Examples of...read more
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Q4. 4. What is form control build.
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Form control build refers to the process of creating and customizing form controls in web development.
• Form controls are elements like text boxes, radio buttons, and dropdown menus that allow users to input data on a website.

• Developers can use HTML, CSS, and JavaScript to build and style form controls to fit the needs of their website or application.

• Form control build also involves adding validation and error handling t
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40 aptitude questions from different aptitude topics which are of average level questions and 1 hour is provided to solve them.

Q1. There are basic questions from the skills you have mentioned in your resume. And some technical problem solving questions are also there which are of medium level.
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Q2. 1. Basic coding question from python. 2. Theoretical questions from python.
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1 on 1 Technical Interview based on basic DSA questions topics like Math, String, Arrays and Duration of Interview was 45-60 minutes.

Q1. Introduce Yourself
Ans. 
I am a software developer with experience in Java and Python.
• I have completed a Bachelor's degree in Computer Science.

• I have worked on projects involving web development and data analysis.

• I am familiar with Agile methodology and version control systems like Git.

• I am a quick learner and enjoy working in a team environment.
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Q2. Why should i hire you ?
Ans. 
I am a quick learner with strong problem-solving skills and a passion for software development.
• I have experience in programming languages such as Java, Python, and C++

• I have completed several projects that demonstrate my ability to work independently and as part of a team

• I am always eager to learn new technologies and improve my skills

• I am a good communicator and can explain technical concepts to non-technical stakehol
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Q1. 1)what is async and await.
Ans. 
Async and await are keywords used in asynchronous programming in JavaScript.
• Async is used to define a function that returns a promise.

• Await is used to pause the execution of a function until a promise is resolved.

• Async/await makes asynchronous code look and behave like synchronous code.

• Example: async function getData() { const response = await fetch('https://example.com/data'); return response.json(); }
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Q1. 1)why nodejs is more popular
Ans. 
Node.js is popular due to its event-driven, non-blocking I/O model and ability to handle large amounts of data.
• Node.js allows for faster and more efficient development due to its use of JavaScript on both the front-end and back-end.

• Node.js has a large and active community, with many open-source libraries and modules available.

• Node.js is scalable and can handle high traffic and large amounts of data, making it a popular...read more
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