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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...

You need to test the value of the following variable in JavaScript. var length = "75"; A block of code must execute if the length equals 75 regardless of the data type. You need to use the statement that meets this requirement. Which lines of code should you use? (Each...

You are developing an HTML5 web application and are styling text. You need to use the text-transform CSS property. Which value is valid for the text-transform property?A . LowercaseB . BlinkC . Line-throughD . 20pxView AnswerAnswer: A Explanation: CSS Syntax text-transform: none|capitalize|uppercase|lowercase|initial|inherit; Reference: CSS text-transform Property

HOTSPOT You are developing an HTML5 web application for displaying encyclopedia entries. Each encyclopedia entry has an associated image that is referred to in the entry. You need to display the image by using the correct semantic markup. What should you do? (To answer, select the appropriate options from the...

DRAG DROP You are creating a web worker for an HTML5 application. The following tasks must be performed from within the web worker: • Register an event listener for the web worker • Start and stop the web worker You need to define a function that performs the required tasks....

DRAG DROP You are creating an application by using HTML5 and CSS3. The styles for the pages are derived from five style sheets. The styles are not being applied correctly to the pages in the application. You need to determine the order in which the style sheets will be applied...

You are developing a web application that uses web workers to process images extracted from an HTML5 CANVAS object on a web page. You need to pass messages between the web workers and the web page. Which three types of objects should you use? (Each correct answer presents a complete...

You are creating a class named Sedan that must inherit from the Car class. The Sedan class must modify the inherited fourDoor () method. The Car class is defined as follows. Future instances of Sedan must be created with the overridden method. You need to write the code to implement...

You are creating a JavaScript function that displays the name of a web application. You declare the following button element. <input type="button" id= "About" value="About" /> When a user clicks the button, a JavaScript function named About must be called. You need to create an event handler that calls the...

Topic 1, Volume A DRAG DROP You are validating user input by using JavaScript and regular expressions. A group of predefined regular expressions will validate two input fields: • An email address in a function named validateEmail (for example, [email protected]) • A nine-digit number that allows optional hyphens after the...