Microsoft 70-490 Actual Free Exam Questions & Community Discussion

You are developing a line-of-business Windows Store app that will interact with a magnetic stripe reader. Your company distributes the magnetic stripe reader to an end user.
You need to activate the magnetic stripe reader.
Which method should you use?

You need to set the default storage location for the client profiles. Which code segment should you insert at line CD04?

You are developing a Windows Store app by using JavaScript. The app will be installed on five devices. The app will use certificates to secure communications between the five
devices.
Information sent through the app must be decrypted only by the intended recipient device.
You need to complete the certificate enrollment.
What should you do?

You need to implement the saveCredentials method.
Which code segment should you insert at line CM06?

You are developing a Windows Store enterprise app.
The app must retrieve data from other apps asynchronously across domains by using the XMLHttpRequest object.
You need to retrieve the data.
What should you use?

You are developing two Windows Store apps by using JavaScript. A Source app will store sensitive customer information. A Target app will retrieve the stored information for validation and further processing.
The Source app must secure data by using a private-public key pair. Only the Target app must be able to consume data that has been secured by the Source app.
You need to ensure that the security of the data is not compromised.
What should you do?

You add an element with an ID of MyFlexbox to newsPage.html.
You need to ensure that the layout for MyFlexbox meets the requirements.
Which layout should you choose?

HOTSPOT
You are developing a Windows Store app.
You plan to use Windows Push Notification Services (WNS) in the app.
You need to identify whether the system has disabled notifications globally.
How should you complete the relevant code? (To answer, select the correct code segment
from each drop-down list in the answer area.)

You are developing a Windows Store app. The app includes a handler for the suggestions requested event. The empty event handler is shown in the following code. (Line numbers are included for reference only.)

The app must meet the following requirements:
- Provide an app-defined list of choices in the Search pane that responds to user query text changes. - Provide suggested search topics only when the user enters a query that contains the text "products".
You need to add code to meet the requirements.
Which code segment should you insert at line 02?