Mirabel Technologies Full Stack Developer Interview Questions and Answers

Quantitive Aptitude, General programming,oops

GK, Quantitative Aptitude

C# Fundamentals , ADO.NET,LINQ

Q1. Why there are so frequent change.
Ans. 
Frequent changes in technology are driven by advancements, market demands, and user feedback.
• Advancements in technology lead to new tools and frameworks being developed.

• Market demands require companies to adapt quickly to stay competitive.

• User feedback helps improve products and services, leading to updates and changes.

• Examples: Introduction of new programming languages like Swift, shift towards cloud computing, update...read more
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Q2. Please tell me about your understanding with roll
Ans. 
Roll is a term used in web development to describe the process of deploying code changes to a live server.
• Rolling back changes means reverting to a previous version of the code.

• Rolling forward means applying new changes to the live server.

• Rolling deployments involve gradually updating servers in a controlled manner to minimize downtime.

• Automated rollbacks can be triggered in case of errors or issues during deployment.
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Q1. Tell me about yourself
Ans. 
I am a passionate Full Stack Developer with experience in building web applications using various technologies.
• Experienced in front-end technologies like HTML, CSS, JavaScript, and frameworks like React and Angular

• Proficient in back-end technologies like Node.js, Express, and databases like MongoDB and SQL

• Familiar with version control systems like Git and deployment tools like Heroku
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Q2. Do you have any quetion for me ?
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Q1. All output based questions
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It was easy to crack ill rate 2/5

It was a short coding round pretty easy

It was a long coding round i couldn't crack it

Q1. Introduce yourself
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Q2. Tell me what you know about zoho
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Q1. Tell About yourself
Ans. 
I am a fullstack developer with expertise in front-end and back-end technologies.
• Proficient in HTML, CSS, JavaScript, and frameworks like React and Angular

• Skilled in server-side programming languages like Node.js and Python

• Experience in working with databases like MySQL and MongoDB

• Familiar with version control systems like Git

• Strong problem-solving and debugging skills

• Ability to work in both individual and team environ
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Q2. What is python testing and their unittest
Ans. 
Python testing is a process of verifying the functionality of code. Unittest is a built-in testing framework in Python.
• Python testing is done to ensure that the code is working as expected.

• Unittest is a testing framework that comes with Python's standard library.

• It provides a set of tools for constructing and running tests.

• Tests are written as methods within a class that inherits from unittest.TestCase.

• Assertions are u...read more
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Q3. What is Authentication
Ans. 
Authentication is the process of verifying the identity of a user or system.
• It ensures that only authorized users have access to a system or application.

• Authentication can be achieved through various methods such as passwords, biometrics, and two-factor authentication.

• Examples of authentication include logging into a social media account or accessing a secure building with an ID card.

• Authentication is often used in con...read more
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Q4. What is decorators
Ans. 
Decorators are functions that modify the behavior of other functions or classes without changing their source code.
• Decorators are denoted by the '@' symbol in Python.

• They can be used to add functionality to a function or class, such as logging or timing.

• Decorators can also be used to create class decorators, which modify the behavior of a class.

• Examples of decorators include @staticmethod, @classmethod, and @property i...read more
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Q5. For the students data group the data in angular
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Q6. What is Angular test cases
Ans. 
Angular test cases are automated tests written to ensure the functionality of Angular applications.
• Angular test cases are written using testing frameworks like Jasmine and Karma.

• They test the components, services, and modules of an Angular application.

• Test cases can be run automatically during development or deployment to catch errors early.

• Examples of test cases include checking if a component renders correctly, if a ...read more
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Q1. What is idempotent in rest api
Ans. 
Idempotent in REST API means multiple identical requests have the same effect as a single request.
• Idempotent operations can be safely retried without causing unintended effects.

• GET, PUT, and DELETE methods are idempotent, while POST method is not.

• For example, sending the same DELETE request multiple times will have the same effect as sending it once.

• Idempotency is important for ensuring data consistency and preventing
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Q1. Write a program to frequency of character in string in java using stream.
Ans. 
Program to find frequency of characters in a string using Java stream.
• Convert the string to a character array using toCharArray() method.

• Create a stream of characters using Arrays.stream() method.

• Use Collectors.groupingBy() method to group the characters by their frequency.

• Use Collectors.counting() method to count the frequency of each character.

• Store the result in a Map.

• Print the result using forEach(
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