Thursday, January 19, 2012

Get A+ Ratification Desktop Virtualization

By Steven P. Anderson


You are designing a Windows Phone 7 application. You need to suggest a design methodology that will allow the application to be accepted into the Windows Phone 7 Marketplace. What should you suggest?

A. The application must support trial mode.

B. The file size of the application must meet the standards of the Windows Phone 7 Marketplace.

C. The application must be localized to each region that is supported by the Windows Telephone 7 Market-place.

D. The file size of the application must be downloadable over a General Packet Radio Service (GPRS) or 3G phone connection.

Answer: B

You are designing a Windows Telephone 7 application that uses multiple pages for the entry of user data. A user can freely navigate among the pages in the application at any time. The user can also perform actions that employ a launcher or chooser object to choose data to populate info entry fields. You want to suggest a way for MCITP Certification data to endure when the user navigates thru the application. What should you suggest?

A. Add logic to the Application_Launching and Application_Closing events that retrieve and store page data to IsolatedStorage when the events are executed.

B. Add logic to the Application_Deactivated and Application_Activated events that retrieve and store page information by using the state property of the PhoneApplicationService object when the events are executed.

C. Add a button to the page with a Click event that persists the page data to IsolatedStorage when the button is clicked.

D. Add NavigatedTo and NavigatedFrom events that retrieve and store page information by using the State property of the PhoneApplicationService object when the events are executed.

Answer: D

You are planning a Windows Phone 7 application that depends on having a network connection. The network connection on occasion becomes unavailable. The application must not poll to see if a network connection is available. Application information must be available when the application is closed and reopened. You want to ensure that application info is available when the network connection returns. What must you counsel?

A. Use the NetworkChange.NetworkAddressChanged event and save the info to the PhoneApplicationService.State dictionary.

B. Use the NetworkInterface.GetIsNetworkAvailable strategy and save the data to the PhoneApplicationService.State compendium.

C. Use the NetworkInterface.GetIsNetworkAvailable system and save the data to isolated storage.

D. Use the NetworkChange.NetworkAddressChanged event and save the info to isolated storage.

Answer: D.




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