Web Technologies and Java EE Fundamentals

Web 2.0 is characterized by user interactivity, social features, and dynamic content. Option B correctly identifies it as interactive web applications. Option C is incorrect because client-side technologies existed before Web 2.0. Option D is superficial - CSS alone doesn't make something Web 2.0. Option A is wrong because Web 2.0 is not a software version but a paradigm shift.

Web 2.0 sites enable user interaction, content creation, and social features. Social networking sites (B) are quintessential Web 2.0. Bank transaction sites (C) with interactive features qualify as Web 2.0. CMS platforms like Joomla/phpBB (E) enable user-generated content. Option A is static HTML - not Web 2.0. Option D is a simple Flash site - product showcase without user interaction.

PHP, JSP, and ASP are all server-side scripting languages used to generate dynamic web content. JavaScript (C) is primarily a client-side language (though Node.js exists, the question context implies traditional web development). CSS (E) and HTML (F) are client-side presentation technologies, not server-side languages.

CSS provides centralized style management. A single CSS file linked across multiple HTML pages reduces bandwidth because the style sheet is cached by the browser. Changes to one CSS file propagate across the entire website, enabling consistent design management. Option A is misleading - CSS itself doesn't guarantee glossy design. Option C is incorrect - CSS doesn't enable background loading.

RSS is a web feed technology that allows users and applications to access updates to websites in a standardized format. The most widely accepted expansion is Really Simple Syndication. Option A incorrectly uses Synchronization instead of Syndication. Options B and D incorrectly use Reading instead of Really.

AJAX can use both GET and POST HTTP methods to retrieve data from a server. GET is typically used for fetching data without side effects, while POST is used when sending data to the server.

AJAX supports multiple data formats including XML, JSON, HTML, and plain text. The name AJAX comes from 'Asynchronous JavaScript and XML,' but JSON is now more commonly used than XML.

AJAX is a web development technique for creating interactive web applications. It uses existing technologies like JavaScript and XMLHTTPRequest to asynchronously exchange data with a server, updating parts of a page without full reloads.

In ActionScript/Flex, removeChild() removes a specific child control by reference, while removeChildAt() removes a child by its index position. Both are standard methods for removing controls from a container. Options C and D are incorrect - removeItem() and deleteAll() are not standard Flex control removal methods.

ActionScript uses the 'extends' keyword for class inheritance, following Java's syntax. The correct declaration is 'public class MyButton extends Button'. Option B uses 'becomes' which is not valid. Option C uses 'inherits' which is not ActionScript syntax. Option D uses 'implements' which is for interfaces, not class inheritance.

ArrayCollection must be instantiated with the 'new' keyword and constructor. Option A shows correct syntax: 'new ArrayCollection([{label:"abc"},{label:"def"}])'. Option B is missing 'new' and constructor call. Option C has malformed objects without proper key-value structure. Option D passes two separate objects instead of an array.

Within a WebService tag in Flex, the mx:operation tag is used to define individual operations/methods that the web service provides. Option A's mx:result is for handling results, not defining operations. Option B's mx:method is not the correct tag name. Option D's mx:remoteMethod doesn't exist in Flex.

The Deployment configuration file is where entries are added to exclude files using regular expressions in OpenDeploy. This file controls deployment behavior and filtering rules. The other files (odnodes, odbase, deploy.cfg) are not the correct location for regex-based file exclusion rules.

When creating a new ArrayList using the default constructor in Java, the initial capacity is set to 10. This means memory is allocated for 10 object references initially. The ArrayList will dynamically resize if more elements are added beyond this capacity.

In Oracle's naming convention, classes ending with 'Impl' are implementation classes, while names without 'Impl' are typically interfaces. OAApplicationModule is the interface, and OAApplicationModuleImpl is its concrete implementation class. Option D correctly identifies this relationship.

Java EE (now Jakarta EE) is a specification that defines APIs and standards for enterprise Java development, not a framework, language, or compiler itself. Vendors like Oracle, Eclipse, and Apache implement these specifications in products like GlassFish, JBoss, and TomEE. Java itself is the programming language, while Java EE builds upon it with enterprise services.

EJB 3.0 introduced annotations as the primary mechanism for mapping entity columns to database columns, replacing the verbose XML deployment descriptors of earlier EJB versions. While XML mapping files are still supported as an alternative, annotations provide a simpler, more intuitive inline approach. HTML is never used for ORM mapping.

Java is a programming language, but Java EE (Jakarta EE) is a platform specification that extends Java for enterprise applications; it is not itself a language. The question incorrectly groups them together as 'a Language,' making the statement false. Java EE provides APIs and services, while Java provides the syntax and semantics.