Xamarin Certification Xamarin Testing and Deployment

Question 1

Which testing framework is recommended for unit testing shared Xamarin code?

Accepted Answer

NUnit or xUnit

Answer

Espresso

Answer

XCTest

Answer

Robolectric

Question 2

What is Xamarin.UITest used for?

Accepted Answer

Automated UI testing of iOS and Android apps using C#

Answer

Performance profiling

Answer

Screenshot diffing only

Answer

Mocking network calls in tests

Question 3

Which cloud service provides device farms for running Xamarin.UITest on real physical devices?

Accepted Answer

App Center Test (formerly Test Cloud)

Answer

Firebase Test Lab

Answer

BrowserStack only

Answer

AWS Device Farm only

Question 4

What does Moq provide in the context of Xamarin unit testing?

Accepted Answer

A mocking library for creating test doubles of interfaces and abstract classes

Answer

A UI automation runner

Answer

A real device connection layer

Answer

An HTTP mock server

Question 5

In Xamarin.UITest, which method is used to locate a UI element by its accessibility label?

Accepted Answer

app.Query(x => x.Marked("label"))

Answer

app.FindById("id")

Answer

app.GetElement("name")

Answer

app.AccessibilityQuery("label")

Question 6

Which Xamarin App Center feature provides continuous integration and automated builds?

Accepted Answer

App Center Build

Answer

App Center Crashes

Answer

App Center Analytics

Answer

App Center Push