[Free] 2017(Oct) EnsurePass Dumpsleader Microsoft 98-373 Dumps with VCE and PDF 71-80

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Mobile Development Fundamentals

Question No: 71 – (Topic 1)

What effect do higher dots per inch (DPI) screens have on user interface design?

  1. Graphics appear brighter.

  2. Text appears smoother.

  3. Screens can have more colors.

  4. Images and photos appear dithered.

Answer: B

Question No: 72 – (Topic 1)

You need to use a background agent to keep a local database synchronized with a remote data source. What is the maximum number of days you can schedule a background agent to run?

  1. 7

  2. 14

  3. 21

  4. 28

Answer: B

Question No: 73 – (Topic 1)

Which Windows Phone control is used to allow the user to type his or her name?

  1. TextBlock

  2. TextBox

  3. Label

  4. ListBox

Answer: D

Question No: 74 – (Topic 1)

Which framework is used to dynamically display a 3D model in a Windows Phone 7.5 application?

  1. C#

  2. Microsoft Visual Basic .NET

  3. XNA

  4. Microsoft Silverlight

Answer: C

Question No: 75 – (Topic 1)

You are creating an object by using the following code segment:

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Which XAML fragment should you use to display the person#39;s name in a TextBlock control by using data binding?

  1. lt;Texc31ock Text=quot; {Binding frame}quot; /gt;

  2. lt;Texc31ock Text=quot;{Binding Ferson}quot; /gt;

  3. lt;rexc31ock Foreground=quot; {Binding Person}quot; /gt;

  4. lt;Text31oc3c DataContext=quot; {binding Name}quot; /gt;

Answer: A

Question No: 76 – (Topic 1)

Which two events should you use to get the Global Positioning System (GPS) coordinates of a Windows Phone 7 device? (Choose two.)

  1. Navigated

  2. CurrentValueChanged

  3. Resolve AddressCompleted

  4. PositionChanged

  5. StatusChanged

Answer: D,E

Explanation: E:Geolocator.StatusChanged | statuschanged event

Raised when the ability of the Geolocator to provide updated location changes.

D:The Windows Phone 7.5 SDK provided the GeoCoordinateWatcher class which can be

used to determine the user#39;s current location of the Phone.In the Windows Phone 7.5 Project, you should add the reference to the System.Device.dll. Note that this dll is automatically added in Windows Phone 8 project.

Below is a code snippet on how to use GeoCoordinateWatcher class to find the current location of the phone.

GeoCoordinateWatcher watcher = new GeoCoordinateWatcher (); watcher.PositionChanged = watcher_PositionChanged;

private void watcher_PositionChanged(object sender, GeoPositionChangedEventArgslt;GeoCoordinategt; e)

{

var Latitude = e.Position.Location.Latitude; var longitude = e.Position.Location.Longitude;

}

Question No: 77 – (Topic 1)

In Windows Phone 7.5, how can you find out if the device has more RAM than the minimum amount of RAM required by Microsoft?

  1. By catching the OverflowException exceptions.

  2. By catching the OutOfMemoryException exceptions.

  3. By using the DeviceStatus class.

  4. By using the Scheduler class.

Answer: C

Question No: 78 – (Topic 1)

Which programming language is used for the following code segment?

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  1. JScript

  2. C#

  3. XAML

  4. Microsoft Visual Basic .NET

Answer: C

Question No: 79 – (Topic 1)

You are developing an application to find out the phone#39;s attitude and motion by using Motion API. Which three sensors does Motion API use? (Choose three,)

  1. Proximity

  2. Accelerometer

  3. Compass

  4. Gyroscope

  5. A-GPS

Answer: B,C,D

Explanation: The accelerometer measures the forces applied to the device at a moment in time.

The Compass, or magnetometer, sensor can be used to determine the angle by which the device is rotated relative to the Earth’s magnetic north pole.

The Gyroscope sensor is used to determine the rotational velocity of the device in each axis.

Question No: 80 – (Topic 1)

Which two protocols can the BackgroundTransferRequest class use? (Choose two.)

  1. HTTPS

  2. FTP

  3. FTPS

  4. HTTP

Answer: A,D

Explanation: The background transfer service APIs can be found in the Microsoft.Phone.BackgroundTransfer namespace.

The Background Transfer Service only supports transfers using HTTP and HTTPS.

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