Programming > QUESTIONS & ANSWERS > WGU C777 Web Development Applications Pre-Assessment Latest 2022 (All)

WGU C777 Web Development Applications Pre-Assessment Latest 2022

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WGU C777 Web Development Applications Pre-Assessment Latest 2022 The HTML5 specification for the <audio> element does not require a specific audio codec to be supported, but it does support three ... audio formats: MP3, Ogg and WAV. Which major browser supports all three audio formats? ✔✔Chrome You are developing pages for your company's Web site. You create an HTML5 search field using the following code: <input type="search" name="search"> When you test the page on various browsers, the first browser supports the new input type and displays the search field. The second browser does not support this new input type and gracefully degrades. What type of field does the second browser display? ✔✔A text box Kwan is using JavaScript extensively to add interactivity to his Web site. Contained within his script is a counter object that calculates a date based on a number input by the user. Which term describes the calculation process that Kwan's counter object performs? ✔✔Method The HTML5 File API can be used to: ✔✔create preview thumbnail images during image uploads What is the basic code you would need to define a named function that returns a value? ✔✔function myFunction() { return value; } What can you use in CSS if you want to customize your own HTML element styles? ✔✔The class and id selectors What two keys are created by the HTML5 <keygen> element? ✔✔A private key and a public key What HTML5 API can you use to provide location-based services, such as mapping? ✔✔The Geolocation API Which type of CSS effect allows an element to gradually change styles from one to another? ✔✔Transition You are creating a mobile Web site for your company's polling service. Users will be completing polls and surveys about various topics. How can you simplify the page layout to increase this site's usability on mobile devices? ✔✔Use radio buttons, check boxes and drop-down lists instead of text boxes wherever possible You are reviewing HTML5 markup code that your co-worker created. You notice several <object> tags that reference external stand-alone, mini-applications. Which language did your co-worker most likely use to create these mini-applications? ✔✔Java What makes a scripting language, such as JavaScript, different from a full programming language, such as C, C++ and Java? ✔✔Scripting languages are generally interpreted without the explicit compilation step that full programming languages need to run Which of the following is a global HTML5 attribute that can be used with the <button> element to specify whether form input will be sent to the server using get or post? ✔✔formmethod For what purpose should Arnold use Cascading Style Sheets (CSS) when designing his Web pages? ✔✔To determine how the HTML elements in his Web pages will appear You can use a CSS style sheet rule to override styles specified in a linked external style sheet. Which term is used to describe this style sheet behavior? ✔✔Inheritance In JavaScript, what is casting? ✔✔A technique for variable control in which a variable's value is changed from one data type to another What is the term for a piece of data that is to be operated upon or manipulated in some manner? ✔✔Operand As a Web designer, you use the CSS Box Model to help configure the space around each HTML element so that the elements will not overlap or lay against one another when users render your Web pages in a browser. What constitutes the full size of an HTML element? ✔✔The content plus the padding, border and margin surrounding it In your HTML5 form, you want users to enter a date in the Date field using a specific format, such as mm/dd/yyyy. Which HTML5 <input> element attribute can you use to require the specified format? ✔✔pattern Prior to HTML5, what did Web developers use to conduct inline validation in HTML forms? ✔✔JavaScript Consider the following code: var emeraldGreen = true; What variable data type does this snippet of code represent? ✔✔Boolean The principle of responsive design is essential for today's user interface designers. The term "responsive design" describes the ability to create pages that: ✔✔respond to user screen size One of the most important and most used features in any programming language is variables. You can use a variable to: ✔✔store a value that can be accessed repeatedly in your script Ellen wants to make her existing HTML 4.01 Web page code easily adaptable to XML technologies, which she knows her company will be adopting in the near future. How can she accomplish this? ✔✔By applying the stricter syntax rules of XML to her existing code to upgrade the code from HTML to XHTML What is the term for a value containing data or code that is passed on to a function or procedure? ✔✔Argument What is the main purpose of Responsive Web Design (RWD)? ✔✔To create sites that adapt gracefully to many different devices and screen sizes In general, what can you use the XMLHttpRequest object to do in your Web pages? ✔✔Update content on Web pages without reloading them Which technique can developers use to keep images from exceeding the screen width of users' mobile devices? ✔✔Fluid images Which technology can be defined as a vendor-neutral, cross-platform API that specifies how objects in a Web document can be referred to and manipulated through scripting languages? ✔✔DOM What does the term "user agent" mean? ✔✔Any application, such as a Web browser or help engine, that renders HTML for display to users Consider the following code: <script> function mySum(a, b) { ...(your selection here) } alert(mySum(2,3)); </script> Which code properly supplies the alert with the sum of the two numbers? ✔✔return a+b; Consider the following Cascading Style She [Show More]

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