Web 2.0: Technology and Security

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What is a characteristic of Web 2.0 sites?

Minimal use of client-side logic

Extensive use of JavaScript, XMLHttpRequests, and client-side logic (correct)

No use of XMLHttpRequests

Limited use of JavaScript

What is the main reason why Web 2.0 security gets attention?

Growth in usage leading to an increase in vulnerabilities (correct)

Decrease in usage

Lack of research in the area

Less massive usage of Web 2.0 sites

What is the primary function of the XMLHttpRequest JavaScript object?

To change the Web site's layout

To generate dynamic content

To refresh the UI

To allow background communication with the server (correct)

What is an example of a technology that generates and presents Web pages via a Web server?

Apache Signup and view all the answers

What is a characteristic of an AJAX application?

One page application with lots of client-side logic Signup and view all the answers

What is the restriction imposed on the XMLHttpRequest JavaScript object?

Same Origin Policy Signup and view all the answers

What is the primary function of the Business Logic tier?

To perform required calculations and manage access to corporate resources Signup and view all the answers

What is the common technology used in the Data Tier?

Relational Database Management Systems (RDBMS) Signup and view all the answers

What is the purpose of URL encoding?

To ensure that only allowed characters are used in URLs Signup and view all the answers

What is the commonly encoded character in a URL?

Plus-sign (+) Signup and view all the answers

What is the breakdown of a URL?

Protocol, host name, port, document path, and query Signup and view all the answers

What is an example of a URL?

<a href="http://www.example.com/products/default.aspx?articleId=4">http://www.example.com:80/products/default.aspx?articleId=4</a> Signup and view all the answers

What is the primary function of the Client Tier in a Web Application?

To handle user-level input and output Signup and view all the answers

What is the main difference between a Website and a Web Application?

A Website provides access to static documents, while a Web Application takes user input Signup and view all the answers

What is the purpose of the Same Origin Policy?

To prevent scripts from accessing data from different origins Signup and view all the answers

What is the primary function of JavaScript in the Client Tier?

To validate user input and dynamically change the interface Signup and view all the answers

What is the main characteristic of HTML?

It is a markup language used to create graphical pages Signup and view all the answers

What is the purpose of the middle tier in a Web Application?

To interact with backend servers and perform business logic Signup and view all the answers

What is the term used to describe the interaction between a script and a website?

Scripting Signup and view all the answers

What is the purpose of URL encoding in Web applications?

To ensure that data is sent in a special format to prevent errors Signup and view all the answers

What does the HTTP status code 1XX represent?

Informational Signup and view all the answers

What is the primary function of the Web Server in a Web Application?

To interact with backend servers and perform business logic Signup and view all the answers

What is the main difference between HTTP GET and POST requests?

GET requests are used for retrieving data, while POST requests are used for sending data Signup and view all the answers

What is the purpose of the HTTP protocol?

To transfer information on intranets and the World Wide Web Signup and view all the answers

What is the primary purpose of the Data Tier in a Web Application?

To store and manage data Signup and view all the answers

What is the HTTP status code range for successful requests?

2XX Signup and view all the answers

What is the purpose of the `%` symbol in URL encoding?

To indicate the hexadecimal representation of a character Signup and view all the answers

What is the HTTP status code range for redirection?

3XX Signup and view all the answers

What is the purpose of the TRACE request method?

To test or diagnose the request chain Signup and view all the answers

What is a characteristic of HTTP?

It is stateless Signup and view all the answers

What is the purpose of the HEAD request method?

To retrieve header information only Signup and view all the answers

What is the term for managing individual user requests in context?

Session management Signup and view all the answers

What is the purpose of the OPTIONS request method?

To request information about communication options Signup and view all the answers

What is the term for the three tiers of a Web application?

Client, middle, and data Signup and view all the answers