70-490 Exam - Recertification for MCSD: Windows Store Apps using HTML5

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Q1. - (Topic 7) 

You are developing a Windows Store app. A page in the app contains the following HTML code: 

The app must style a container element and two child elements to resemble the following image. 

The grid layout must meet the following requirements: 

. The Top section must be half the width of the Bottom section. . The solution must retain the proportions of the child sections in the event that the dimensions of any of the grid sections change. 

You need to ensure that the proportions of the sections of the image are retained. 

Which CSS segment should you add to your style sheet? 

A. Option A 

B. Option B 

C. Option C 

D. Option D 

Answer:

Explanation: Grid Layout (Windows) 

Q2. DRAG DROP - (Topic 7) 

You are developing a Windows Store app by using JavaScript. The app will use the fileStream object to write text to a file. 

You need to write the text to the file and ensure that the file is available to other apps. 

Which five actions should you perform in sequence? (To answer, move the appropriate actions from the list of actions to the answer area and arrange them in the correct order.) 

Answer:  

Q3. - (Topic 3) 

You need to implement the secondary schedule functionality for inspectors. 

Which two actions should you perform? Each correct answer presents part of the solution. 

A. Browse through the client database to find all clients with the same postal code. 

B. Define a geofence by using the location capabilities of the device. 

C. Specify the maximum distance of nearby equipment. 

D. Ascertain the proximity of the nearest piece of client-owned equipment. 

Answer: B,C 

Explanation: * From scenario, the secondary scheduling requirement is: 

Inspectors must be able to request a list of other clients within a specified search distance 

who might require equipment inspection. 

* Geofence / A geo-fence is a virtual perimeter for a real-world geographic areas. A geo-fence could be dynamically generated—as in a radius around a store or point location. / Geofence class Contains the information to define a geofence, an area of interest, to monitor. 

Q4. DRAG DROP - (Topic 2) 

You need to configure the app to receive push notifications. 

Which four actions should you perform in sequence? To answer, move the appropriate actions from the list of actions to the answer area and arrange them in the correct order. 

Answer:  

Q5. - (Topic 4) 

You need to store the data for the last selected product. 

How should you store the data? 

A. Use app data storage. 

B. Use the company's central data center. 

C. Use System.IO.IsolatedStorage. 

D. Use Microsoft Azure SQL Database. 

Answer:

Reference: http://msdn.microsoft.com/en-us/library/windows/apps/System.IO.IsolatedStorage%28v=vs.105%29.aspx 

Q6. - (Topic 7) 

You are developing a Windows Store app. 

The app must store data locally. When the app terminates, it must destroy the stored data. 

You need to choose the appropriate data storage location. 

Which storage location should you use? 

A. sessionStorage 

B. localStorage 

C. indexedDB 

D. roamingStorage 

Answer:

Reference: http://msdn.microsoft.com/en-us/magazine/jj991982.aspx 

Q7. - (Topic 7) 

You develop a Windows Store app. 

The app user interface is slow to load, and occasionally stops responding. 

You need to increase the responsiveness of the user interface. 

What should you implement? 

A. Promises 

B. TheTask.Run method 

C. The Web API of the Windows Library for JavaScript 

D. Windows Runtime Metadata (WinMD) components 

Answer:

Q8. - (Topic 7) 

You are developing a Windows Store app. 

The app must provide single sign-on (SSO) to a Microsoft account and to social networks. The SSO feature must be accessible from any device. 

You need to implement SSO. 

Which authentication strategy should you use? 

A. Fingerprint authentication 

B. Credential Locker 

C. Smart card authentication 

D. Credential Picker 

Answer:

Reference: 

http://msdn.microsoft.com/en-us/library/windows/apps/dn448918.aspx 

Q9. - (Topic 7) 

You are developing a Windows Store app by using JavaScript. 

The app contains the following code. (Line numbers are included for reference only). 

You need to ensure that the app will handle any possible event for a media connection in a Play To streaming operation. 

How should you complete the relevant code? (Each correct answer presents part of the solution. Choose all that apply.) 

A. Option A 

B. Option B 

C. Option C 

D. Option D 

E. Option E 

F. Option F 

Answer: A,B,F