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2021 Sep exam ref 70-480:
Q1. You are developing a customer web form that includes the following HTML.
<input id="txtValue"/>
You need to change the HTML markup so that customers can enter only a valid three-letter country code.
Which HTML should you use?
A. <input id="txtValue" type="code" />
B. <input id="txtValue" type="text" pattern=" [A-Za-z] {3}" />
C. <input id="txtValue" type="text" required="required"/>
D. <input id="txtValue" type="country" />
Answer: B
Q2. Your company uses a third-party component that generates HTML for a website. The third-party component creates DIV elements that display a yellow background.
The third-party component uses inline styles in the DIV elements that are inconsistent with your corporate standards. You must override the DIV elements in the style sheet with the corporate styles.
You need to ensure that the website meets corporate standards.
Which style should you use?
A. Option A
B. Option B
C. Option C
D. Option D
Answer: C
Q3. You create an application that sends information to a web service by using the following code: (Line numbers are included for reference only.)
When the web service returns a non-zero result code, you must raise an exception that contains the result code.
You need to implement the code that generates the exception.
Which line of code should you insert at line 04?
A. CustomError .prototype = Error.prototype;
B. CustomError ["ErrorType"] = Error;
C. CustomError.customError = true;
D. Error-constructor = CustomError;
Answer: A
Q4. You are developing an application that consumes an external web service that returns the latest stock rate.
The application has two methods:
. The getResults() method makes an AJAX web service request
. The ShowRate() method displays the stock rate from the web service response You need to ensure that the ShowRate() method always displays the latest stock rate.
Which code segment should you use?
A. Option A
B. Option B
C. Option C
D. Option D
Answer: D
Q5. You develop an HTML5 webpage. You have the following HTML markup:
You need to change the background color for all of the elements whose name attribute ends with the word name.
Which code segment should you add to the webpage?
A. $ ('#name').css ({ 'background-color' : '#E0ECF8' });
B. $ ('input [name |="name"; ] ' ) .css (( 'background-color' : '#E0ECF8'});
C. $('input[name$="name"]'). css{{'background-color' : '#E0ECF8'});
D. $ ('*name' ) .css ({ 'background-color' : ' #E0ECF8'}) ;
Answer: C
Improve practice exam 70-480:
Q6. You are developing a customer web form that includes the following HTML. <label id="txtValue"X/label>
Information from the web form is submitted to a web service. The web service returns the following JSON object.
{
"Confirmation": "1234",
"FirstName": "John"
}
You need to display the Confirmation number from the JSON response in the txtValue label field.
Which JavaScript code segment should you use?
A. $("#txtValue").val = (JSONObject.Confirmation);
B. $("#txtValue").val (JSONObject.Confirmation);
C. $("#txtValue").text = (JSONObject.Confirmation);
D. $("#txtValue").text (JSONObject.Confirmation);
Answer: D
Q7. You develop an HTML5 chat application.
You need to provide real-time updates to the messages that users post in the chat application.
What should you do?
A. Use get o to obtain data updates.
B. Use a RESTful web service.
C. Use WebSockets.
D. Use ajaxo to obtain data updates.
Answer: C
Q8. You are creating a class named Consultant that must inherit from the Employee class. The Consultant class must modify the inherited PayEmployee method. The Employee class is
defined as follows.
function Employee() {}
Employee.prototype.PayEmployee = function ( ){
alertt'Hi there!');
}
Future instances of Consultant must be created with the overridden method.
You need to write the code to implement the Consultant class.
Which code segments should you use? (Each correct answer presents part of the solution. Choose two.)
A. Consultant.PayEmployee = function ()
{
alert('Pay Consulant');
}
B. Consultant.prototype.PayEmployee = function ()
{
alert('Pay Consultant');
}
C. function Consultant () {
Employee.call(this);
}
Consultant.prototype = new Employee();
Consultant.prototype.constructor = Consultant;
D. function Consultant() {
Employee.call(this); }
Consultant.prototype.constructor = Consultant.create;
Answer: BC
Q9. You are modifying a blog site to improve search engine readability.
You need to group relevant page content together to maximize search engine readability.
Which tag should you use?
A. <tbody>
B. <article>
C. <div>
D. <span>
Answer: B
Q10. You are developing a web page by using HTML5.
You have the following requirements:
. An H1 element must be placed at the top left corner of the page.
. The size and location of the H1 element must not change if additional elements are added to the page.
You need to position the H1 element on the page.
Which CS53 style should you use?
A. Option A
B. Option B
C. Option C
D. Option D
Answer: A