Microsoft 70-480 Online Questions & Answers

• Question 1:

  HOTSPOT

  You implement a callback function by using JavaScript.

  You need to process the returned XML data.

  How should you complete the relevant code? (To answer, select the appropriate option from each drop-down list in the answer area.)

  Hot Area:

  

  

  ---

  * Example:

  httpRequest.onreadystatechange = function() {

  // inline function to check the status

  // of our request

  // this is called on every state change

  if (httpRequest.readyState === 4 andand

  httpRequest.status === 200) {

  callback.call(httpRequest.responseXML);

  // call the callback function

  }

  };

  // call the function

  some_function2("text.xml", function() {

  console.log(this);

  });

  Reference: http://javascriptissexy.com/understand-javascript-callback-functions-and-use-them/

• Question 2:

  You are creating a custom object as described by the following code. Line numbers are included for reference only.

  

  You need to implement the perimeter method. Which code segment should you insert at line 05?

  A. function perimeter () {return 4 * side;}
  B. function perimeter () {return 4 * this.side;}
  C. function perimeter () {return 4 * me.side;}
  D. function perimeter (obj) {return 4 * obj.side;}
  B. function perimeter () {return 4 * this.side;}

  ---

  http://creative-coding.decontextualize.com/objects-with-methods/

• Question 3:

  DRAG DROP

  You develop code in JavaScript. The code calls a functions named fnl.

  Sometimes, fnl throws a RangeError on a SyntaxError error. You need to create code to meet the following requirements:

  Catch the error.

  Call the catchRangeError function if RangeError is thrown. Call the catchSyntaxError function if SyntaxError is thrown.

  Develop the solution by selecting and arranging the required code blocks in the correct order. You may not need all of the code blocks.

  Select and Place:

  

  

  ---

  try {

  fnl();

  } catch(error) {

  if (error.name === `RangeError') {

  catchRangeError();}

  else if (error.name === `SyntaxError') {

  catchSyntaxErrorr();}

  }

• Question 4:

  You are modifying a website. The body of the page will be divided into two sections:

  A content section will contain blog posts and comments.

  An area on the right-hand side will contain advertisements.

  The page is defined by the following HTML.

  

  The site must conform to HTML5 standards and must use HTML5 semantic tags. You need to ensure that the advertisements are on the rightmost section of the page. Which tag should you use?

  A

  ---

  The

• Question 5:

  DRAG DROP

  You have a web API that responds to a GET request and returns a JSON object in the form of

  { “FirstName”: “Ben”, “Lastname”: “Smith” }.

  You need to create a page by using JavaScript. The page must contain a button that requests the JSON data. The data must be displayed in a p tag that has an id of person.

  How should you complete the JavaScript code? To answer, drag the appropriate values to the correct targets. Each value may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view

  content.

  NOTE: Each correct selection is worth one point.

  Select and Place:

  

  

• Question 6:

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

  If a customer enters a value in the input field, then it must be a numeric value.

  You need to add validation to the input field.

  Which HTML should you use?

  B

  ---

  1.

  HTML5 Input Types:

  2.

  color

  3.

  date

  4.

  datetime

  5.

  datetime-local

  6.

  email

  7.

  month

  8.

  number

  9.

  range 10.search 11.tel 12.time 13.url 14.week

  Reference: HTML Input Types https://www.w3schools.com/html/html_form_input_types.asp

• Question 7:

  DRAG DROP

  You have the following markup:

  

  You need to add a dashed border programmatically to the div. You write the following code.

  

  How should you complete the code? To answer, drag the appropriate code elements to the correct targets in the answer area. Each code can be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content.

  Select and Place:

  

  

  ---

  https://www.w3schools.com/jsref/prop_style_border.asp

• Question 8:

  HOTSPOT

  You are validating user input by using built-in JavaScript functions.

  The application must:

  

  Store the value that is entered in a variable named inputValue

  

  Use the built-in isNaN(tnputValue) function to evaluate the data type

  You need to validate the return value of the isNaN(inputValue) function.

  Which values will be returned? (To answer, configure the appropriate options in the dialog box in the answer area.)

  Hot Area:

  

  

  ---

  isNan is false for all these inputs.

  The isNaN() function determines whether a value is an illegal number (Not-a-Number).

  This function returns true if the value is NaN, and false if not.

  Reference:

  https://www.w3schools.com/jsref/jsref_parseInt.asp

  https://www.w3schools.com/jsref/jsref_isNaN.asp

• Question 9:

  DRAG DROP

  You develop the following code:

  

  You need to complete the code to meet the following requirements:

  How should you compete the code? To answer, drag the appropriate code elements to the correct targets in the answer area. Each code element may be used once, more than once, or not at all. You may need to drag the split bar between

  panes or scroll to view content.

  Select and Place:

  

  

• Question 10:

  You are developing a blog web page that is being optimized for accessibility. The page includes the following HTML.

  

  The heading tags represent a blog post title, a blog post subtitle, and the author's name.

  You need to ensure that the three headings are treated as a unit but retain their individual formatting.

  Which tags should you use to wrap the H1, H2, and H3 elements?

  C

  ---

  The

  tag is used to group heading elements.

  The

  element is used to group a set of

  to

  elements, when a heading has multiple levels (subheadings).

  Reference: https://www.w3docs.com/learn-html/html-hgroup-tag.html