WGU C777 - Post Assessment Selections

WGU C777 - Post Assessment Selections What is the term for a relatively small application developed exclusively for mobile devices? Ans- App What three technologies used toegther provide Web pages that easily adapt to smartphones, tablets, gaming devices and smart TVs, as well as traditional computers? Ans- HTML5, Cascading Style Sheets (CSS) and JavaScript Many markup code validators exist, but the most authoritative is the W3C Markup Validation Service. How does the W3C Markup Validation Service determine to what HTML standard to validate your code? Selena is embedding a video in her HTML5 page. Which attribute should she use to identify the location and file name of the video? Ans- The src attribute You are using the video element to embed a video in your HTML5 page. Which attribute should you use if you want to identify an image to be displayed until the Play button is clicked or while the video is downloading? Ans- The poster attribute You want to create Web pages that can easily adapt to serve multimedia content to smartphones, tablets, gaming devices and smart TVs, as well as traditional desktop computers, without the use of plug-ins. What would be best suited for this purpose? Ans- HTML5 APIs Stanley is the senior developer of apps for an organization that is considered to be at the cutting edge of mobile-device technology. What should Stanley use to create apps for mobile devices? Ans- HTML5 APIs You are a novice Web developer, and your mentor has suggested that you familiarize yourself with HTML5 and Cascading Style Sheets (CSS). Being somewhat unfamiliar with CSS, you discover that it is: Ans- a Web design technology that enables you to determine how the HTML elements in your Web pages will display. What are two benefits of CSS? Ans- CSS provides a consistent look and feel to site pages, and simplifies change management issues. Consider the following CSS rule: body {color: #:} Which is the "declaration" portion of this rule? Ans- The portion inside the curly braces Consider the following CSS rule: body {color: #:} Which is the "property" portion of this rule? Ans- The portion that reads "color" Using a linked style sheet, you have modified the look and feel of an HTML page. Because of the concept of inheritance, you notice that: Ans- the rules you applied remain in force unless explicitly overruled using other styles. How can you override a particular style in an HTML element if the HTML document is linked to a style sheet? Ans- By applying an inline CSS style attribute to the element whose style you want to override Consider the following code: CSS file: .right { text-align: right; } HTML file: h3 class="right"Right-aligned heading level three/h3 p class="right"Right-aligned paragraph/p This code shows an example of what? Ans- The class selector Consider the following code: CSS file: #red { color: #FF0000; } HTML file: p id="red"This paragraph has red text/p pNot affected/p This code shows an example of what? Ans- The id selector A Web designed who assigns percentage values to elements using the HTML structural elements is using what page-layout method? Ans- Liquid You have created a Web page using the HTML5 nav structural element to define a navigation area. Consider the following external style sheet code: nav { float:left; width:165px; background:#d8d8d8 url() top right; height:662px; } Where on the page will the image () appear? Ans- At the top right of the nav section Natalies is using the CSS position property to position block-level elements on her Web pages. Which positioning scheme describes the normal, or default, position of an element within a page? Ans- Static Anatoly is using the CSS position property to position block-level elements on his Web pages. By specifying the "absolute" positioning scheme, Anatoly is ensuring that the element to which he is applying the position property will: Ans- float above the document and can be positioned as needed. Which CSS property defines how text should be handled when it extends beyond its allotted area? Anstext-overflow What is the purpose of using the CSS3 h3 ~ p selector? Ans- To select all p elements that are preceded by an h3 element Which CSS3 selector can you use to apply a style to the first paragraph of every container in a Web page? Ans- p:first-of-type CSS3 added support for multiple background images. What is the correct syntax for applying two background images to the same element? Ans- background-image: url("images/"), url("images/); What CSS3 property can be used to create rounded corners on an image or other element? Ans- borderradius The CSS3 @font-face rule requires you to specify which two properties? Ans- font-family and src Which CSS3 property can you use to apply a shadow effect to text? Ans- text-shadow To change the position of a transformed element in CSS3, you use the: Ans- transform-origin property. Which CSS3 property defines whether or not a transformed element is visible when it is rotated to face away from the viewer? Ans- backface-visibility Which CSS3 property can be used to apply a delay effect when an element changes from one style to another, such as when a user hovers over an element? Ans- transition Consider the following style rules: img { height: 150px; width: 150px; transition: height 3s, width 3s; } img:hover { height: 300px; width: 300px; } Using these styles, what will occur when a user hovers over an image on the page? Ans- The image's height and width will gradually increase to 300 pixels over a 3-second time period. To allow users to change the size of elements on a Web page, such as a div element, you can add which CSS3 property? Ans- resize The CSS3 appearance property can be used to make an element: Ans- like like a button A positive Z-index value usually places an element where? Ans- In front of the other elements To position an element behind another element, you can assign a negative value to: Ans- the Z-index property. JavaScript is a scripting language. Scripting languages: Ans- interpret and automate a list of tasks that would otherwise be executed one-at-a-time by a person. Sarah has written several JavaScript scripts for her Web site, but she realizes that implementing the scripts may be complicated by the fact that people may view her pages using different user agents and user agent versions. What should Sarah do to ensure that her scripts will run correctly without knowing what user agent a person will use to view her pages? Ans- Test her scripts in the latest versions of popular browsers Why is it important to test your JavaScript code in as many browsers as possible? Ans- Because different browsers sometimes implement JavaScript differently What is the name for Microsoft's implementation of JavaScript? Ans- JScrip