INTRODUCTION TO WEB DEVELOPMENT EXAM QUESTIONS WITH VERIFIED CORRECT ANSWERS

client the computers, tablets, and mobile devices that use the web applications web browser program that access the web pages web server holds the files that make up a web application network a system that allows clients and servers to communicate intranet a network used to run web applications for use by employees only local area network (LAN) a small network of computers that are near each other and can communicate with each other over short distances Internet a large network that consists of many smaller networks wide area network (WAN) consists of multiple LANs that have been connected Internet service provider (ISP) a company that owns a WAN that is connected to the Internet HTML (HyperText Markup Language) used to define the content and structure of a web page static web page a web page that doesn't change HTTP request lets the web server know which file is being requested HTTP HyperText Transfer Protocol HTTP response HTML file sent back to the browser from the server render a web page translate the HTML into a web page that is displayed in the browser dynamic web page a page that's created by a program or script on the web server each time it is requested application server executes the program or script that is sent along with the HTTP request server-side processing process that's done on the application server round trip the process that begins with the user requesting a web page and ends with the server sending a response back to the client JavaScript scripting language that provides for client-side processing JavaScript engine executes the JavaScript code in the web browser scripting language client-side processing JQuery a JavaScript library that makes it easier to do many of the functions that JavaScript can be used for image swap user clicks object and image changes image rollover user moves mouse over object and image changes data validation JavaScript application that saves a trip to the server when entries are invalid. HTML element tag another name for HTML element CSS (Cascading Style Sheets) used to control how web pages are displayed by specifying the fonts, colors, borders, spacing, and layout of the pages. DOM scripting when JavaScript changes the HTML for page Document Object Model (DOM) all of the elements and attributes that are coded in the HTML HTML5 semantics elements elements used to structure the contents of a web page HTML5 semantics the use of elements that are used to structure the contents of a web page. JavaScript shiv or shim uses JavaScript to put the HTML5 elements in the DOM, which makes the browser aware of them (helps work on older browsers) attribute