C# certification

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Our C# test will help you understand your proficiency with programming in the .NET environment using C#. This test includes the following topics: Configuration and Support; Delegates; Developing Data Consumers and Services; Grammar; Methods; Object-Oriented Programming; Properties, Indexers, and Fields; and Value and Reference Types. Difficulty level: for experienced programmers.

Number of questions: 100
Time limit for question: 60 seconds

Which .NET collection class allows elements to be accessed using a unique key?

Choose one:
  • ListDictionary
  • Stack
  • Hashtable
  • ArrayList
  • StringCollection

What is boxing?

Choose one:
  • Encapsulating an object in a value type
  • Encapsulating a copy of a value type in an object
  • Encapsulating a copy of an object in a value type
  • Encapsulating a value type in an object

Which common design pattern is shown below? public class A { private A instance; private A() { } public static A Instance { get { if(instance == null) instance = new A(); return instance; } } }

Choose one:
  • Factory
  • Abstract Factory
  • Singleton
  • Builder

Our certificates

Getting your career started and need to impress a potential employer? We can conduct any of our tests in a manner that will allow us to verify your identity and check that the test result is indeed your own work. If you pass the test, we will issue a certificate just like the one pictured. You will be then able to obtain both an electronic certificate suitable for sharing on Facebook and Linkedin, a corresponding badge on your personal page, and a downloadable PDF version for printing.

Certificate authencity can be verified with a special tool. Simply enter the certificate ID to verify claims of completion.

PDF version:
Online competence badge:
Certified in C#
2017-11-18 #xxxx-xxx-xxx-xxx

Price: $5

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