Microsoft 70-480 Exam Questions And Information – (Jan-2018 Dumps)

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Latest and Most Accurate Microsoft 70-480 Dumps Exam Questions and Answers:

Version: 16.0
Question: 21

You are developing a web form that includes the following HTML.
You need to ensure that a value is entered into txtValue before the form is submitted.
Which code segment should you use?

A. Option A
B. Option B
C. Option C
D. Option D

Answer: A

* Input Text Object Properties include:
value: Sets or returns the value of the value attribute of the text field
* Check if text is a null value or an empty string.
Incorrect:
not .get(): there is no input text object property get.
Reference: HTML DOM Input Text Object

Question: 22

You are developing a web page that consumes a Windows Communication Foundation (WCF) service. The page includes the following code segment.
var xhr = new XMLHttpRequest() ;
The page uses the xhrHandler() method to listen for changes to the request status of the WCF service calls. It uses the xmlToJavaScript() method to convert the response from the WCF service to a JavaScript object.
The xhrHandler() method must be called automatically each time the request status changes.
You need to add the event handler to the request object.
Which line of code should you use?

A. xhr.onCallback = xhrHandler;
B. xhr.onreadystatechange = xhrHandler;
C. xhr.readyState = xhrHandler;
D. xhr.status = xhrHandler;

Answer: B

Question: 23

You are developing a customer contact form that will be displayed on a page of a company’s website. The page collects information about the customer.
If a customer enters a value before submitting the form, it must be a valid email address.
You need to ensure that the data validation requirement is met.
What should you use?

A.
B.
C.
D.

Answer: D

Example:

E-mail:

Reference:
http://www.w3schools.com/html/html5_form_input_types.asp

Question: 24

You are developing a customer web form that includes the following HTML.

A. $(“#txtValue”).val = (JSONObject.Confirmation);
B. $(“#txtValue”).val (JSONObject.Confirmation);
C. $(“#txtValue”).text = (JSONObject.Confirmation);
D. $(“#txtValue”).text (JSONObject.Confirmation);

Answer: D

Incorrect:
not A, not B: A label object has no value attribute.
Reference:
http://api.jquery.com/text/

Question: 25

You are developing an application that consumes a Windows Communication Foundation (WCF) service.
The application interacts with the service by using the following code. (Line numbers are included for reference only.)

You need to authenticate to the WCF service.
What should you do?

A. At line 11, add the following lines of code.
,username: yourusername
,password: yourpassword
B. At line 11, add the following line of code.
,credentials: prompt
C. At line 06, replace the code with the following line of code.
url: “http://contoso.com/Service.svc/GetCountry?
Username=username&password=password”,
D. At line 11, add the following line of code. The username and password will be stored in an XML file.
,credentials: credentials.xml

Answer: C

Question: 26

You are developing a web page that enables customers to upload documents to a web server. The page includes an HTML5 PROGRESS element named progressBar that displays information about the status of the upload.
The page includes the following code. (Line numbers are included for reference only.)

An event handler must be attached to the request object to update the PROGRESS element on the page.
You need to ensure that the status of the upload is displayed in the progress bar.
Which line of code should you insert at line 03?

A. xhr.upload.onloadeddata =
B. xhr.upload.onplaying =
C. xhr.upload.onseeking =
D. xhr.upload.onprogress =

Answer: D

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