Xamarin Certification Trivia 2 — Questions and Answers
Question 1: Which company originally created Xamarin before Microsoft acquired it?
- Novell
- Xamarin Inc. (Correct answer)
- Ximian
- Mono Project
Correct answer: Xamarin Inc.
Xamarin was created by Xamarin Inc., founded in 2011 by engineers from the Mono project.
Question 2: What year did Microsoft complete the acquisition of Xamarin?
- 2014
- 2015
- 2016 (Correct answer)
- 2017
Correct answer: 2016
Microsoft completed the acquisition of Xamarin in February 2016.
Question 3: Which open-source project is Xamarin built upon?
- OpenJDK
- Mono (Correct answer)
- CoreCLR
- DotGNU
Correct answer: Mono
Xamarin is built on Mono, the open-source implementation of the .NET framework.
Question 4: What is the name of the Xamarin UI testing framework used for automated UI tests?
- Xamarin.UITest (Correct answer)
- Appium
- Calabash
- NUnit
Correct answer: Xamarin.UITest
Xamarin.UITest is the official framework for writing automated UI tests in Xamarin apps.
Question 5: In Xamarin, what does the acronym 'PCL' stand for?
- Platform Common Library
- Portable Class Library (Correct answer)
- Project Component Layer
- Public Code Library
Correct answer: Portable Class Library
PCL stands for Portable Class Library, an older approach for sharing code across platforms in Xamarin.
Question 6: Which tool in Visual Studio for Mac is used to visually design Xamarin.iOS interfaces?
- Interface Builder
- Xamarin Designer for iOS (Correct answer)
- Storyboard Editor
- XIB Viewer
Correct answer: Xamarin Designer for iOS
The Xamarin Designer for iOS (iOS Designer) allows visual layout of iOS interfaces within Visual Studio.
Question 7: What Xamarin service, now part of App Center, was originally used for continuous integration and testing?
- HockeyApp
- Xamarin Test Cloud (Correct answer)
- Visual Studio Mobile Center
- TeamCity
Correct answer: Xamarin Test Cloud
Xamarin Test Cloud was the original cloud-based testing service that was later folded into Microsoft App Center.
Which company originally created Xamarin before Microsoft acquired it?