Cloud4C Cloud Solutions Architect Interview Questions and Answers

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

Q1. How will you design the data models
Ans. 
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. 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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Q1. Explain Drupal best practices
Ans. 
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
Ans. 
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
Ans. 
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. Questions on kafka
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Q2. Questions on microservices
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Q1. Project related experience and challenges faced
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Q2. Scripting knowledge
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Q1. Why want to switch from existing company
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Q1. Snowpipe scenario based question
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Q2. Streams scenario based question
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Q1. What are different datawarehouse design patterns
Ans. 
Datawarehouse design patterns are strategies for organizing data in a datawarehouse to optimize performance and efficiency.
• Star schema

• Snowflake schema

• Galaxy schema

• Data Vault

• Federated datawarehouse
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Q2. What ETL design pattern was used in your last project
Ans. 
We used the Extract, Transform, Load (ETL) design pattern in our last project.
• We extracted data from multiple sources such as databases, APIs, and files.

• We transformed the data by cleaning, filtering, and aggregating it to fit the target data model.

• We loaded the transformed data into the destination database or data warehouse.

• We used tools like Informatica, Talend, or Apache NiFi for ETL processes.
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Q1. Datawarehouse Architecture and personal
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Q2. What was architect's role in your project
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Q1. What is the salary expectations
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