interview question updates

Author: ramkrishnsaini

_config.yml

@@ -5,5 +5,10 @@ url: https://proxytechsupport.com
 markdown: kramdown
 permalink: /blog/:title/
 
+collections:
+  interviews:
+    output: true
+    permalink: /interviews/:name/
+
 plugins:
   - jekyll-sitemap

_interviews/2026-02-10-real-enterprise-developer-interview-questions-dotnet-sql-angular-cloud.md

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+---
+layout: interview-post
+title: Real Enterprise Developer Interview Questions (.NET, SQL, Angular, Cloud) Asked by Hiring Managers in USA, UK, Canada & Australia
+description: Real interview questions asked for senior developers working on .NET, SQL Server, Angular, Azure and AWS projects in USA, UK, Canada and Australia. Practical answers from real production interviews.
+date: 2026-02-10
+tags: [.net, sql, angular, cloud, enterprise]
+keywords: real developer interview questions USA, .NET interview questions enterprise, SQL interview real questions, Angular production interview questions, Azure AWS interview questions developers, senior software engineer interview real
+---
+
+## Real Enterprise Developer Interview Questions Asked in USA, UK, Canada & Australia
+
+These interview questions are taken from real hiring discussions with developers working on enterprise .NET, SQL Server, Angular and Cloud projects.  
+This is not theory. These are real questions asked to developers handling production systems, APIs, microservices and support responsibilities.
+
+This helps working developers understand what hiring managers actually expect in real interviews across USA, UK, Canada and Australia.
+
+---
+
+## What is team structure in enterprise application development?
+
+Team structure is usually cross-functional. It includes product owner, architect, backend developers, frontend developers, DevOps, QA and support teams. Each module has ownership but design and security decisions follow centralized architecture standards.
+
+---
+
+## What are temp tables in stored procedures?
+
+Temp tables store intermediate data during execution of complex queries. They help break large operations into steps, improve readability and allow reuse of filtered data during stored procedure execution.
+
+---
+
+## What is linked server?
+
+Linked server allows one database server to connect and query another server directly. It is used for integrations, reporting and accessing data from distributed systems without moving all data physically.
+
+---
+
+## How do you create temp tables?
+
+Temp tables are created like normal tables but used only during session execution. They store temporary datasets for joins, filtering and data transformation.
+
+---
+
+## What are table variables?
+
+Table variables are lightweight temporary storage used inside stored procedures for small datasets and short operations. They exist only within execution scope.
+
+---
+
+## Difference between temp table and table variable?
+
+Temp tables handle large data and support indexing and performance tuning. Table variables are used for smaller datasets and simple logic. Temp tables are preferred in enterprise scenarios.
+
+---
+
+## How many types of functions exist in SQL Server?
+
+Scalar functions return single values. Inline table functions return datasets using one query. Multi-statement table functions return datasets using multiple logic steps.
+
+---
+
+## What are user-defined tables?
+
+User-defined table types allow passing structured data as parameters to stored procedures, mainly for bulk operations and batch processing.
+
+---
+
+## What are user-defined functions?
+
+Scalar functions, inline table-valued functions and multi-statement table-valued functions are commonly used based on return type and complexity.
+
+---
+
+## Have you used table parameters?
+
+Yes, used for bulk inserts and batch updates where multiple records are processed in one call to improve performance.
+
+---
+
+## Difference between ExecuteScalar and ExecuteNonQuery in ADO.NET?
+
+ExecuteScalar returns a single value. ExecuteNonQuery performs insert, update or delete and returns number of rows affected.
+
+---
+
+## Difference between overloading and overriding in C#?
+
+Overloading is same method name with different parameters in same class. Overriding changes parent class method behavior in child class using inheritance.
+
+---
+
+## Difference between ref and out parameters?
+
+Both pass variables by reference. Ref requires value initialization before passing. Out must assign value inside method before returning.
+
+---
+
+## What grids are used in MVC instead of ASP.NET GridView?
+
+jQuery DataTables, Kendo Grid, Telerik Grid and Angular-based grids are used for performance and flexibility.
+
+---
+
+## How do you handle million records in jqGrid?
+
+Use server-side paging. UI loads only required data per page. Backend handles filtering, sorting and pagination using optimized queries.
+
+---
+
+## How pagination is calculated?
+
+Using total records, page size and page number. Backend skips required records and fetches only current page dataset.
+
+---
+
+## How is client-side validation done?
+
+Using Angular forms, JavaScript validation, jQuery validation and reactive form validators before submitting data to backend.
+
+---
+
+## Data annotations are client-side or server-side?
+
+Defined on server models but can work on both client and server validation layers.
+
+---
+
+## Alternative to data annotations in MVC?
+
+Fluent validation, controller validation logic, service layer validation and database constraints.
+
+---
+
+## How Angular client-side validation works?
+
+Reactive forms validate inputs instantly, show errors and block submission until valid.
+
+---
+
+## How email and mobile validation handled?
+
+Email uses built-in Angular validator. Mobile validation uses pattern rules and length checks.
+
+---
+
+## Common RxJS operators used in Angular?
+
+map, filter, switchMap, mergeMap, debounceTime, distinctUntilChanged, catchError, takeUntil.
+
+---
+
+## Angular version used in recent projects?
+
+Angular 14+ and later versions for enterprise UI development.
+
+---
+
+## Latest Angular versions in market?
+
+Angular 17+ and newer with performance improvements and standalone components.
+
+---
+
+## Explain recent microservice development and security handling?
+
+Services built independently using .NET Core APIs, protected with authentication tokens, RBAC authorization, HTTPS, logging and monitoring.
+
+---
+
+## Which identity provider used?
+
+Azure AD, Okta or enterprise SSO platforms depending on environment.
+
+---
+
+## How data validated before financial system integration?
+
+Authentication validation, request validation, business rule validation and data integrity checks before processing.
+
+---
+
+## How APIs tested before integration?
+
+Using Postman, Swagger and automated testing tools to validate responses and security.
+
+---
+
+## When JWT token is generated?
+
+After successful authentication through identity provider and passed with every API request.
+
+---
+
+## Which protocol used for JWT?
+
+OAuth 2.0 and OpenID Connect over HTTPS.
+
+---
+
+## SAML vs OAuth?
+
+SAML used for enterprise SSO. OAuth and OpenID Connect used for modern API-based authentication.
+
+---
+
+## How applications hosted in Azure?
+
+Using App Services, AKS, Functions and Azure SQL with CI/CD and monitoring.
+
+---
+
+## Azure storage mechanisms used?
+
+Azure SQL, Blob Storage, File Storage, Table Storage and Data Lake based on data type.
+
+---
+
+## Have you used Azure SQL?
+
+Yes, used as managed relational database for enterprise applications.
+
+---
+
+## What is storage account?
+
+Azure service used for storing blobs, files, queues and tables.
+
+---
+
+## Where source code maintained?
+
+GitHub, Azure Repos or enterprise Git platforms.
+
+---
+
+## CI/CD using Azure DevOps or GitHub?
+
+Both used. Pipelines built for automated build and deployment.
+
+---
+
+## Where code builds when using GitHub and Jenkins?
+
+Jenkins pulls code from GitHub and performs build on Jenkins servers.
+
+---
+
+## How JIRA and documentation maintained?
+
+JIRA used for tracking tasks and defects. Documentation maintained in Confluence or internal repositories.
+
+---
+
+## How production support handled?
+
+Using ticketing tools like ServiceNow or JIRA with monitoring dashboards and logs.
+
+---
+
+## Describe recent production incident resolution?
+
+Performance issue traced to database queries. Stabilized with query optimization, indexing and later permanent architectural fix.
+
+---
+
+## Cloud monitoring tools used?
+
+Azure Monitor, Application Insights, AWS CloudWatch, X-Ray and centralized logging tools.
+
+---
+
+## Have you used Kibana?
+
+Yes, used with ELK stack for log visualization, troubleshooting and monitoring.
+
+---
+
+### Preparing for Real Interviews?
+
+These are real questions asked to developers working on enterprise projects in USA, UK, Canada and Australia.
+
+If you are working in live projects or facing production interviews, preparation must be practical, not theoretical.
+
+We help developers with:
+
+- live project support  
+- real interview preparation  
+- production troubleshooting  
+- architecture guidance  
+
+Visit: https://proxytechsupport.com