Happiest Minds Technologies Technical Architect Interview Questions and Answers

Q1. MVC URL Routing and normal url definition in ASP.NET
Ans. 
MVC URL routing allows for custom URL definitions in ASP.NET
• MVC URL routing maps URLs to controller actions

• Normal URL definition uses query strings to pass parameters

• MVC URL routing is more SEO-friendly

• MVC URL routing can be configured in RouteConfig.cs file

• Example: /products/category/electronics maps to ProductsController's Category action with 'electronics' parameter
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Q2. Advantage of MVC over traditional Architecture?
Ans. 
MVC separates concerns, promotes code reusability, and enhances testability.
• MVC separates the application into Model, View, and Controller components.

• Model represents the data and business logic.

• View represents the user interface.

• Controller handles user input and updates the model and view accordingly.

• MVC promotes code reusability by separating concerns.

• MVC enhances testability by allowing for easier unit testing of in...read more
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Q3. What is AoT Microsoft Azure?
Ans. 
AoT (Ahead of Time) is a compilation technique used in Microsoft Azure to improve application performance.
• AoT compiles code before it is executed, resulting in faster startup times and reduced memory usage.

• It is commonly used in Azure Functions and Azure Web Apps.

• AoT can also improve security by detecting potential vulnerabilities during compilation.

• It is different from Just-in-Time (JIT) compilation, which compiles co...read more
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Q4. Classic ASP can run in Azure? or migrating into ASP.Net is required?
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Q5. ASP.NET page life cycle and events in it and how page will be rendered?
Ans. 
ASP.NET page life cycle and events in it and how page will be rendered.
• Page life cycle includes events like Init, Load, PreRender, and Unload.

• During Init, controls are initialized and their properties are set.

• During Load, controls are loaded with data and their events are fired.

• During PreRender, the page is prepared for rendering.

• During Unload, resources are released.

• Page is rendered using HTML, CSS, and JavaScript.

• Ren...read more
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Q6. What are postback events?
Ans. 
Postback events are server-side events triggered by user actions on a web page.
• Postback events occur when a user interacts with a web page and the page sends a request back to the server for processing.

• Examples of postback events include clicking a button, selecting an item from a dropdown list, or submitting a form.

• Postback events can be used to update the page content without requiring a full page refresh.

• ASP.NET is ...read more
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Q7. What is Authentication and different types in it?
Ans. 
Authentication is the process of verifying the identity of a user or system.
• There are three types of authentication: something you know (passwords, PINs), something you have (smart cards, tokens), and something you are (biometrics).

• Two-factor authentication combines two of these types for added security.

• Authentication protocols include OAuth, OpenID Connect, and SAML.

• Authentication can also be classified as single-fact...read more
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Q8. Late Binding/Dynamic binding in ASP.Net?
Ans. 
Late binding or dynamic binding is a technique in which the method call is resolved at runtime rather than compile time.
• In late binding, the type of the object is determined at runtime.

• It allows for more flexibility in code as it can handle different types of objects.

• Dynamic keyword is used for late binding in C#.

• Example: using reflection to invoke a method on an object whose type is not known until runtime.
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Q9. ASP.Net cache and its different types?
Ans. 
ASP.Net cache is a feature that stores frequently accessed data in memory to improve application performance.
• ASP.Net cache is available in two types: in-memory cache and distributed cache.

• In-memory cache stores data in the memory of the web server.

• Distributed cache stores data in a separate cache server that can be accessed by multiple web servers.

• ASP.Net cache can be used to store data such as database query results, ...read more
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Q10. What is state management in ASP.Net?
Ans. 
State management in ASP.Net refers to the process of storing and retrieving data between HTTP requests.
• ASP.Net provides various techniques for state management such as ViewState, Session, Application, and Cache.

• ViewState is used to store page-specific data, Session is used to store user-specific data, Application is used to store application-level data, and Cache is used to store frequently accessed data.

• State manageme...read more
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Q11. Handled Conflicts? Code merging or Resource Conflicts? Explain
Ans. 
Handled conflicts in code merging and resource allocation.
• Used version control systems like Git to manage code merging conflicts.

• Communicated with team members to resolve resource allocation conflicts.

• Prioritized tasks and resources based on project requirements.

• Implemented agile methodologies to minimize conflicts and improve collaboration.

• Documented conflict resolution processes for future reference.
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Discussed the challenges encountered in our current projects and the strategies used to manage them.

1. How to find the duplicate char in a string without any built in function
2. How to find the char length in c# without using built in functions

Q1. Performance tuning related questions
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Q2. Basic oops concepts, basic sql server concepts
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Q1. Snowpipe scenario based question
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Q2. Streams scenario based question
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Q1. Be focused and emphasise on your skill sets
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Q2. How did you managed your solution conflicts
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Q3. Real time scenarios question
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Q1. How to tackle the conflict
Ans. 
To tackle conflicts, it is important to understand the root cause, communicate effectively, find common ground, and seek a win-win solution.
• Identify the root cause of the conflict

• Listen actively and communicate effectively

• Find common ground and areas of agreement

• Seek a win-win solution through compromise and collaboration

• Encourage open dialogue and respect differing perspectives

• Consider involving a mediator or facilita
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Q2. Try to a bridge between the stockholders and discuss clearly
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Q1. Machine Learning, deep learning basics,
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Q2. End to end understanding of projects
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BERT model layers implementation in python from scratch, though it was late night client call, interviewer was cool and very supportive to explain details and get the best out of me.

Briefly shared about problem statement before hand to my personal email id, during interview process asked to build a classification model with known approaches. While the modelling clients asked why I have chosen the method, why not other methods in order to understand my way of approaching the problem

Total sql interview questions, asked to write in notepad.

Q1. Random questions from ML, GenAI, deep learning strategies
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Q2. Touched on MLOPs concepts, when and why containerized apps work and some of AWS usecases etc
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Q1. MVC URL Routing and normal url definition in ASP.NET
Ans. 
MVC URL routing allows for custom URL definitions in ASP.NET
• MVC URL routing maps URLs to controller actions

• Normal URL definition uses query strings to pass parameters

• MVC URL routing is more SEO-friendly

• MVC URL routing can be configured in RouteConfig.cs file

• Example: /products/category/electronics maps to ProductsController's Category action with 'electronics' parameter
Answered by AI
Add your answer
Q2. Advantage of MVC over traditional Architecture?
Ans. 
MVC separates concerns, promotes code reusability, and enhances testability.
• MVC separates the application into Model, View, and Controller components.

• Model represents the data and business logic.

• View represents the user interface.

• Controller handles user input and updates the model and view accordingly.

• MVC promotes code reusability by separating concerns.

• MVC enhances testability by allowing for easier unit testing of in...read more
Answered by AI
Add your answer
Q3. What is AoT Microsoft Azure?
Ans. 
AoT (Ahead of Time) is a compilation technique used in Microsoft Azure to improve application performance.
• AoT compiles code before it is executed, resulting in faster startup times and reduced memory usage.

• It is commonly used in Azure Functions and Azure Web Apps.

• AoT can also improve security by detecting potential vulnerabilities during compilation.

• It is different from Just-in-Time (JIT) compilation, which compiles co...read more
Answered by AI
Add your answer
Q4. Classic ASP can run in Azure? or migrating into ASP.Net is required?
Add your answer
Q5. ASP.NET page life cycle and events in it and how page will be rendered?
Ans. 
ASP.NET page life cycle and events in it and how page will be rendered.
• Page life cycle includes events like Init, Load, PreRender, and Unload.

• During Init, controls are initialized and their properties are set.

• During Load, controls are loaded with data and their events are fired.

• During PreRender, the page is prepared for rendering.

• During Unload, resources are released.

• Page is rendered using HTML, CSS, and JavaScript.

• Ren...read more
Answered by AI
Add your answer
Q6. What are postback events?
Ans. 
Postback events are server-side events triggered by user actions on a web page.
• Postback events occur when a user interacts with a web page and the page sends a request back to the server for processing.

• Examples of postback events include clicking a button, selecting an item from a dropdown list, or submitting a form.

• Postback events can be used to update the page content without requiring a full page refresh.

• ASP.NET is ...read more
Answered by AI
Add your answer
Q7. What is Authentication and different types in it?
Ans. 
Authentication is the process of verifying the identity of a user or system.
• There are three types of authentication: something you know (passwords, PINs), something you have (smart cards, tokens), and something you are (biometrics).

• Two-factor authentication combines two of these types for added security.

• Authentication protocols include OAuth, OpenID Connect, and SAML.

• Authentication can also be classified as single-fact...read more
Answered by AI
Add your answer
Q8. Late Binding/Dynamic binding in ASP.Net?
Ans. 
Late binding or dynamic binding is a technique in which the method call is resolved at runtime rather than compile time.
• In late binding, the type of the object is determined at runtime.

• It allows for more flexibility in code as it can handle different types of objects.

• Dynamic keyword is used for late binding in C#.

• Example: using reflection to invoke a method on an object whose type is not known until runtime.
Answered by AI
Add your answer
Q9. ASP.Net cache and its different types?
Ans. 
ASP.Net cache is a feature that stores frequently accessed data in memory to improve application performance.
• ASP.Net cache is available in two types: in-memory cache and distributed cache.

• In-memory cache stores data in the memory of the web server.

• Distributed cache stores data in a separate cache server that can be accessed by multiple web servers.

• ASP.Net cache can be used to store data such as database query results, ...read more
Answered by AI
Add your answer
Q10. What is state management in ASP.Net?
Ans. 
State management in ASP.Net refers to the process of storing and retrieving data between HTTP requests.
• ASP.Net provides various techniques for state management such as ViewState, Session, Application, and Cache.

• ViewState is used to store page-specific data, Session is used to store user-specific data, Application is used to store application-level data, and Cache is used to store frequently accessed data.

• State manageme...read more
Answered by AI
Add your answer
Q11. Handled Conflicts? Code merging or Resource Conflicts? Explain
Ans. 
Handled conflicts in code merging and resource allocation.
• Used version control systems like Git to manage code merging conflicts.

• Communicated with team members to resolve resource allocation conflicts.

• Prioritized tasks and resources based on project requirements.

• Implemented agile methodologies to minimize conflicts and improve collaboration.

• Documented conflict resolution processes for future reference.
Answered by AI
Add your answer

Discussed the challenges encountered in our current projects and the strategies used to manage them.