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Backend-Focused Full-Stack Developer Practice Test

20 multiple choice questions on C# and .NET, SQL Server, ASP.NET Core, Entity Framework and databases for backend focused developers.

Questions
20
Time
20 min
Pass mark
60%

No account or email needed.

About this test

This test is built around the Backend-Focused Full-Stack Developer role, which prefers C# and .NET and strong SQL skills. It covers core C#, ASP.NET Core, Entity Framework, SQL Server and the basics of Power BI reporting.

It is practice only and is not part of any job application.

What it covers

The question set has 24 questions: 12 easy, 11 medium and 1 hard. Each attempt draws 20 of them at random, so a second try is not the same test.

  • C# and .NET (8)
  • Entity Framework and SQL Server (5)
  • Git and the web (3)
  • SQL (8)

Try a few sample questions

These are real questions from the set, with the answers and a short explanation. Read the question, decide, then open it to check.

Sample 1 · SQL · easyWhich clause filters individual rows before they are grouped?Show the answer
  • HAVING
  • WHERECorrect
  • GROUP BY
  • ORDER BY

WHERE filters rows before grouping. HAVING filters the groups afterwards.

Sample 2 · Git and the web · easyWhat does git init do?Show the answer
  • Downloads a repository
  • Creates a new Git repository in the current folderCorrect
  • Sends changes to a server
  • Deletes history

git init starts tracking a folder with Git by creating a hidden .git directory.

Sample 3 · C# and .NET · mediumWhich of these is a value type in C#?Show the answer
  • class
  • string
  • structCorrect
  • interface

Structs are value types. Classes, strings and interfaces are reference types.

How it works

  • 20 multiple choice questions, drawn at random from a larger set.
  • 20 minutes on the clock. The test submits itself when time runs out.
  • Pass mark: 60%.
  • No marks are taken off for wrong answers, so answer every question.
  • Some questions have more than one correct answer. You must pick all of them to score.
  • When you finish you see your score, the correct answers and a short explanation for each.
  • Your answers save as you go, so a dropped connection will not lose your work.
  • Please stay on the test page. Switching to another tab or window is recorded and you will see a warning.
  • Copying text, printing and screenshots are not allowed during the test.

This role is open

This test is built around the Backend-Focused Full-Stack Developer role on our jobs board. Taking it is not part of the application.

See the role

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