[Free] 2018(Aug) Ensurepass Microsoft 98-373 Dumps with VCE and PDF 121-130

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Mobile Development Fundamentals

Question No: 121 – (Topic 2)

Which sensor measures both force of gravity and forces resulting from movement on a Windows Phone device?

  1. Compass

  2. Accelerometer

  3. Gyroscope

  4. A-GPS

Answer: B

Question No: 122 – (Topic 2)

Which style service is used by Windows Communication Foundation (WCF) to request remote resources that use uniform resource identifiers?

  1. Remote Procedure Call (RPC)

  2. Representational State Transfer (REST)

  3. Master File Table (MFT)

  4. Database Management Services

Answer: D

Question No: 123 – (Topic 2)

Which component is used by Microsoft ADO.NET to translate queries to a Microsoft SQL database?

  1. Active Directory query

  2. Microsoft Visual Basic -NET

  3. Language-Integrated Query (LINQ)

  4. Microsoft .NET Framework

Answer: C

Question No: 124 – (Topic 2)

What information is required to store user passwords in isolated storage?

  1. Only the plain-text password

  2. Only the hashed password

  3. The plain-text and hashed passwords

  4. The hashed password and a random salt

Answer: D

Question No: 125 – (Topic 2)

What are two extension methods implemented by the Queryable class that support Language-Integrated Query (LINQ) queries? (Choose two.)

  1. Median

  2. Sum

  3. Select

  4. Query

  5. Round

Answer: B,C

Explanation: Sum(IQueryablelt;Decimalgt;)Computes the sum of a sequence of Decimal values.

Selectlt;TSource, TResultgt;(IQueryablelt;TSourcegt;, Expressionlt;Funclt;TSource, TResultgt;gt;)Projects each element of a sequence into a new form.

Question No: 126 – (Topic 2)

You are designing the user interface for a Windows Phone 7 application by using Microsoft Silverlight. Which markup language should you use?

  1. HTML

  2. XAML

  3. MAML

  4. DHTML

Answer: B

Question No: 127 – (Topic 2)

You are developing a Windows Phone application. The application has a class named MainPageViewModel that is data-bound to the PhoneApplicationPage#39;s DataContext element in MainPage.xaml.

You need to use data binding to update controls on the MainPage.xaml page periodically. Which interface should be implemented by the MainPageViewModel class?

  1. lEnumerable

  2. iDisposable

  3. iQueryable

  4. IValueConverter

  5. InotifyPropertyChanged

Answer: E

Question No: 128 – (Topic 2)

Which two restrictions are placed on developer unlocked devices? (Choose two.)

  1. only a certain number of applications can be sideloaded at a time.

  2. a maximum of three devices can be unlocked by using one App Hub account.

  3. Use of native code is disallowed.

  4. Internet access is restricted to HTTP Port 80.

Answer: A,B

Explanation: Now, any developer can unlock and register 1 phone to load up to 2 apps. Registered developers with Dev Center accounts continue to have the option to unlock up to 3 phones and upload up to 10 apps on each.

Question No: 129 – (Topic 2)

You create a Windows Phone 7.5 application. You plan to test whether the application will pass the Marketplace certification requirements by using the windows Phone Marketplace Test Kit.

Which three images are part of the requirements to pass the certification tests for your application? (Choose three.)

  1. zune tile (250×250 pixels)

  2. Marketplace tile (200×200 pixels)

  3. Background artwork (1000×800 pixels)

  4. Large application tile (173×173 pixels)

  5. Small application tile (99×99 pixels)

Answer: C,D,E

Explanation: C:Panorama background (optional) 1000 x 800

D:Large mobile application tile icon (optional) 173 x 173

E:Small mobile application tile icon 99 x 99

Incorrect:

not B:Large PC application tile icon 200 x 200

Question No: 130 – (Topic 2)

Which API is used to store and access data in the local database of a Windows Phone 7.5 application?

  1. Entity Framework

  2. LINQ to SQL

  3. Code First

  4. MicrosoftADO.NET

Answer: B

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