Microsoft Research Interview Questions and Answers

Q1. Given a piece of code and asked oops concepts used in the code..which are inheritance, method overriding , abstract class, method hiding,virtual ,new , abstract ,over ride keyword
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Q2. Web api verbs and options ,put nd patch
Ans. 
Web API verbs include GET, POST, PUT, PATCH, and DELETE for different operations on resources.
• GET is used to retrieve data from a server

• POST is used to create new data on a server

• PUT is used to update or replace existing data on a server

• PATCH is used to partially update existing data on a server

• DELETE is used to remove data from a server
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Q3. Azure key vault use and implementation
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Azure Key Vault is a cloud service for securely storing and managing sensitive information such as keys, passwords, certificates, etc.
• Azure Key Vault helps to safeguard cryptographic keys and secrets used by cloud applications and services

• It provides centralized management of keys, secrets, and certificates

• Access to Key Vault can be controlled using Azure AD authentication and authorization policies

• Key Vault can be int...read more
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Q4. Sql datatype difference
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Q5. Delegates use case
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Q6. Design pattern with example
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Factory design pattern is used to create objects without specifying the exact class of object that will be created.
• Factory method pattern defines an interface for creating objects, but lets subclasses decide which class to instantiate.

• Example: Java's Calendar.getInstance() method returns a Calendar object based on the current time zone and locale.

• Factory pattern promotes loose coupling by eliminating the need to bind a...read more
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Q7. Solid principles with example
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Q8. Jwt authentication
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Q9. Asynchronous programming vs multithreading
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Asynchronous programming allows tasks to run independently, while multithreading involves multiple threads executing tasks simultaneously.
• Asynchronous programming is useful for I/O-bound operations, such as network requests or file operations.

• Multithreading is beneficial for CPU-bound tasks that can be parallelized, like complex calculations.

• Asynchronous programming can improve responsiveness in applications by allowin...read more
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Q10. How to handle exception in asynchronous programming
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Handle exceptions in asynchronous programming by using try-catch blocks and error handling functions.
• Use try-catch blocks to catch exceptions in asynchronous code

• Use error handling functions like .catch() or .then().catch() in Promises

• Consider using async/await for cleaner error handling syntax

• Use libraries like async/await or Bluebird for advanced error handling features
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How many user exist in portel

Q1. What us working of roles
Ans. 
Roles in a working environment refer to the specific responsibilities and tasks assigned to individuals within a team or organization.
• Roles help define the scope of work for each team member

• Roles ensure that tasks are distributed effectively and efficiently

• Roles help establish accountability and clear expectations

• Examples: project manager, software developer, quality assurance tester
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Q2. What do you mean by azure
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Azure is a cloud computing platform by Microsoft.
• Cloud computing platform by Microsoft

• Offers services like virtual machines, databases, AI, etc.

• Allows for scalability and flexibility in IT infrastructure
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Q3. I purchase domain online
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Q4. Various services in Azure
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Azure offers a wide range of services for cloud computing, storage, networking, and more.
• Compute services like Virtual Machines, App Services, and Functions

• Storage services like Blob Storage, File Storage, and Data Lake Storage

• Networking services like Virtual Network, Load Balancer, and VPN Gateway

• Database services like SQL Database, Cosmos DB, and Redis Cache

• AI and Machine Learning services like Cognitive Services and...read more
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Q5. Good English work
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Coding tests are assessments that are designed to evaluate a developer's coding skills and aptitude.

A self-assessment is a process through which you can learn more about yourself and measure your growth.

Group discussion (GD) is a comprehensive technique to judge the suitability of an individual and his appropriateness for admission, scholarship, job, etc.

Q1. What feedback do you have for me?
Ans. 
Constructive feedback can enhance communication and improve the interview process for future candidates.
• Consider providing more context about the role and responsibilities during the interview.

• Encourage candidates to ask questions to foster a two-way dialogue.

• Provide feedback on the interview process itself, such as timing and structure.
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Q2. How confident do you feel about where the company is going?
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I feel confident about the company's direction due to its strong leadership, innovative strategies, and positive growth trajectory.
• Strong leadership team in place

• Innovative strategies being implemented

• Positive growth trajectory evident in recent performance

• Clear vision and goals set by the company
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Q3. How long is a one-on-one interview? between 45 and 90 minutes
Ans. 
A one-on-one interview typically lasts between 45 and 90 minutes.
• One-on-one interviews usually start with introductions and small talk to build rapport.

• The interviewer will then ask a series of questions to assess the candidate's qualifications and fit for the position.

• Candidates may also have the opportunity to ask questions about the role or company.

• The interview may end with a discussion of next steps or a timeline ...read more
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Q4. How long is a 1st interview?
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A first interview typically lasts between 30 minutes to an hour, depending on the role and company.
• Most first interviews are around 30-60 minutes long.

• For entry-level positions, interviews may be shorter, around 30 minutes.

• For more complex roles, interviews can extend to an hour or more.

• Example: A data entry operator interview may focus on skills and experience in the first 30 minutes.
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Q5. Are job interviews one-on-one?
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Q1. Explain how Spring Boot simplifies REST API development in Java?
Ans. 
Spring Boot streamlines REST API development with minimal configuration and built-in features.
• Auto-configuration: Spring Boot automatically configures your application based on the dependencies present, reducing boilerplate code.

• Embedded Server: It comes with an embedded server (like Tomcat), allowing you to run your application without external server setup.

• Convention over Configuration: Spring Boot follows convention...read more
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Q2. How do you manage state in a React application connected to a java backend ?
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Managing state in a React app with a Java backend involves using state management libraries and API calls for data synchronization.
• Use React's built-in state management with hooks like useState and useEffect for local component state.

• For global state management, consider using Context API or libraries like Redux or MobX.

• Fetch data from the Java backend using Axios or Fetch API, and store it in the component state.

• Examp...read more
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Q3. What is the difference b/w SQL and NoSQL database, and when would you use each in a Java Full Stack Project ?
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Q4. How would you implement unit testing for a Java-based REST API
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Implementing unit testing for a Java-based REST API involves using frameworks like JUnit and Mockito to ensure code reliability.
• Use JUnit for writing test cases. Example: @Test public void testGetUser() { ... }

• Utilize Mockito to mock dependencies. Example: when(userService.getUser(anyLong())).thenReturn(mockUser);

• Test controller methods by simulating HTTP requests. Example: mockMvc.perform(get('/api/users/1')).andExpec...read more
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