Interview Q&A

Technical interview questions with detailed answers—organized by course, like Dot Net Tutorials interview sections. Original content for Toolliyo Academy.

By tech stack (from PDF library)

210 ADO.NET 111 ASP.NET Core 181 ASP.NET Core MVC 78 ASP.NET Web API 101 Agile & Scrum 59 Azure DevOps 59 C# Coding Interview 108 C# Collections 104 C# OOP 163 Design Patterns & SOLID 104 Entity Framework Core 111 Gang of Four Patterns 323 Git & GitHub 169 JavaScript 294 LINQ 145 Managerial Interview 59 Microservices 747 Microsoft Azure 224 SQL & Databases 250 Unit Testing 104

SOLID Design Principles Tutorial · CLR & types

Short answer: CLR & types is essential when working with SOLID Design Principles Tutorial. Interviewers want to hear clear definitions, trade-offs, and a concise example from your experience.

How to structure your answer

  1. Define the concept in one or two sentences.
  2. Explain how it applies in SOLID Design Principles projects.
  3. Give an example from work, internships, or a personal project.
  4. Mention trade-offs—what you gain and what you sacrifice.

Example talking points

  • What problem does CLR & types solve?
  • What tools or APIs do you use (.NET ecosystem)?
  • How do you test or monitor this area?

Tip: Keep answers under 90 seconds unless the interviewer asks for depth. Practice aloud on Toolliyo before your mock interview.

Permalink

SOLID Design Principles Tutorial · ASP.NET Core

Short answer: ASP.NET Core is essential when working with SOLID Design Principles Tutorial. Interviewers want to hear clear definitions, trade-offs, and a concise example from your experience.

How to structure your answer

  1. Define the concept in one or two sentences.
  2. Explain how it applies in SOLID Design Principles projects.
  3. Give an example from work, internships, or a personal project.
  4. Mention trade-offs—what you gain and what you sacrifice.

Example talking points

  • What problem does ASP.NET Core solve?
  • What tools or APIs do you use (.NET ecosystem)?
  • How do you test or monitor this area?

Tip: Keep answers under 90 seconds unless the interviewer asks for depth. Practice aloud on Toolliyo before your mock interview.

Permalink

SOLID Design Principles Tutorial · EF Core

Short answer: EF Core is essential when working with SOLID Design Principles Tutorial. Interviewers want to hear clear definitions, trade-offs, and a concise example from your experience.

How to structure your answer

  1. Define the concept in one or two sentences.
  2. Explain how it applies in SOLID Design Principles projects.
  3. Give an example from work, internships, or a personal project.
  4. Mention trade-offs—what you gain and what you sacrifice.

Example talking points

  • What problem does EF Core solve?
  • What tools or APIs do you use (.NET ecosystem)?
  • How do you test or monitor this area?

Tip: Keep answers under 90 seconds unless the interviewer asks for depth. Practice aloud on Toolliyo before your mock interview.

Permalink

SOLID Design Principles Tutorial · Security

Short answer: Security is essential when working with SOLID Design Principles Tutorial. Interviewers want to hear clear definitions, trade-offs, and a concise example from your experience.

How to structure your answer

  1. Define the concept in one or two sentences.
  2. Explain how it applies in SOLID Design Principles projects.
  3. Give an example from work, internships, or a personal project.
  4. Mention trade-offs—what you gain and what you sacrifice.

Example talking points

  • What problem does Security solve?
  • What tools or APIs do you use (.NET ecosystem)?
  • How do you test or monitor this area?

Tip: Keep answers under 90 seconds unless the interviewer asks for depth. Practice aloud on Toolliyo before your mock interview.

Permalink

SOLID Design Principles Tutorial · Testing

Short answer: Testing is essential when working with SOLID Design Principles Tutorial. Interviewers want to hear clear definitions, trade-offs, and a concise example from your experience.

How to structure your answer

  1. Define the concept in one or two sentences.
  2. Explain how it applies in SOLID Design Principles projects.
  3. Give an example from work, internships, or a personal project.
  4. Mention trade-offs—what you gain and what you sacrifice.

Example talking points

  • What problem does Testing solve?
  • What tools or APIs do you use (.NET ecosystem)?
  • How do you test or monitor this area?

Tip: Keep answers under 90 seconds unless the interviewer asks for depth. Practice aloud on Toolliyo before your mock interview.

Permalink