HashedIn by Deloitte Technology Architect Interview Questions and Answers

Q1. Azure solution design case studies
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Q2. Current project walkthrough
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Q3. PySpark coding questions
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Q4. DataModelling question
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Q1. How Google search engine work?
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Google search engine works by crawling and indexing web pages, and then ranking them based on relevance and authority.
• Google uses automated programs called spiders to crawl the web and discover new pages.

• The information from these pages is then indexed and stored in Google's database.

• When a user enters a search query, Google's algorithm determines the most relevant results based on factors like keywords, backlinks, and...read more
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Q1. How will you design the data models
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I will design the data models by analyzing the requirements, identifying entities and relationships, creating entity-relationship diagrams, and normalizing the data.
• Analyze the requirements to understand the data needs

• Identify entities and their relationships

• Create entity-relationship diagrams to visualize the structure

• Normalize the data to reduce redundancy and improve efficiency
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Q1. Package expected
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Q1. Mostly theories and case studied around it
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Q1. Salary and Benefits
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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
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Q2. Advantage of MVC over traditional Architecture?
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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?
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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?
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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?
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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?
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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?
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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?
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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.

Q1. Explain Drupal best practices
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Drupal best practices involve following coding standards, using modules wisely, optimizing performance, and maintaining security.
• Follow Drupal coding standards to ensure consistency and readability of code

• Use contributed modules from trusted sources and avoid unnecessary custom code

• Optimize performance by caching content, enabling compression, and minimizing database queries

• Maintain security by keeping Drupal core and ...read more
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Q2. Explain Drupal Cache Mechanism
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Drupal Cache Mechanism stores and retrieves data to improve website performance.
• Drupal has multiple cache bins like page cache, block cache, and dynamic page cache.

• Cache tags are used to invalidate specific cache items when content is updated.

• Cache contexts allow different versions of a page to be served based on user roles or languages.

• Cache max-age sets the time for which a cached item is considered valid before it n
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Q3. Explain Drupal custom module you developed
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Developed a custom Drupal module for creating a custom content type with specific fields and functionality.
• Created a custom module folder within the Drupal installation

• Defined the custom content type and its fields in the module's .info file

• Implemented hook functions to handle data processing and display logic

• Used Drupal's Form API to create custom forms for data input and editing

• Integrated with other Drupal modules or
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Q1. How to tackle non performers in your team
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Q2. Are you ready to work on weekends?
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Q1. Are you willing to relocate?
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Q2. Why should we hire you?
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Q1. What is SAP Platform
Ans. 
SAP Platform is a comprehensive suite of software solutions for businesses to manage various aspects of their operations.
• Integrated suite of applications for managing business processes

• Includes modules for finance, HR, supply chain, CRM, and more

• Provides real-time data analytics and reporting capabilities

• Supports customization and integration with other systems

• Examples: SAP S/4HANA, SAP Business One, SAP SuccessFactors
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