Microsoft Universal Windows Platform - App Data, Services, and Coding Patterns - 70-355

You are developing a Universal Windows Platform (UWP) app. The application architecture uses the Model-View-ViewModel (MVVM) pattern. You are designing a form to add new contacts to the app. The form contains an input field named LastName and a Save button. You need to ensure that when LastName is empty, the Save button is disabled. What should you use?

You are developing a Universal Windows Platform (UWP) app that will support two displays. The primary display will have a maximum resolution of 1080 p. The secondary display will support a maximum resolution of 4

You are creating a Universal Windows Platform (UWP) app by using Microsoft Visual Studio 2015. You discover that the app uses more memory than expected. You suspect that a method named Method1 is consuming most of the memory. You need to identify the changes in memory that are a direct result of executing Method1. What should you do?

You develop a Universal Windows Platform (UWP) app that is available in the Microsoft Store. Some users report that the app occasionally crashes. You review the health reports from the Windows Dev Center dashboard and you discover that there are no Failure logs for the app. You need to ensure that the app failure information is available in the health reports from the Windows Dev Center dashboard. What should you do before you republish the app?

You are packaging a Universal Windows Platform (UWP) app for the Microsoft Store. You need to set the name of the app that will appear in the Store. Which element should you define in Package.appxmanifest?

You are developing a Universal Windows Platform (UWP) app by using Microsoft Visual Studio. The app will use the AdMediatorControl control. You need to select the ad providers that will be used by the app. What should you add to the app?

You need to provide license metadata to the current app. Which class should you use?

You are developing a Universal Windows Platform (UWP) app by using Microsoft Visual Studio 2015. You plan to perform unit testing. You need to automate the creation of the unit tests. What should you use?

You are developing a cross-platform app by using Microsoft Visual Studio 2015. The app will be available to Windows, Android, and iOS devices. You need to gather usage telemetry for the app across all three platforms. What should you use?

You are developing a Universal Windows Platform (UWP) app that will display a list of contacts. When the app loads, it will display the alphabet and provide users with the ability to zoom in on a letter to display all of the contacts whose name starts with that letter. The app will use a SemanticZoom control. You need to identify which event you must use in the app. Which event should you identify?