34 Questions
What is a characteristic of Web 2.0 sites?
Extensive use of JavaScript, XMLHttpRequests, and client-side logic
What is the main reason why Web 2.0 security gets attention?
Growth in usage leading to an increase in vulnerabilities
What is the primary function of the XMLHttpRequest JavaScript object?
To allow background communication with the server
What is an example of a technology that generates and presents Web pages via a Web server?
Apache
What is a characteristic of an AJAX application?
One page application with lots of client-side logic
What is the restriction imposed on the XMLHttpRequest JavaScript object?
Same Origin Policy
What is the primary function of the Business Logic tier?
To perform required calculations and manage access to corporate resources
What is the common technology used in the Data Tier?
Relational Database Management Systems (RDBMS)
What is the purpose of URL encoding?
To ensure that only allowed characters are used in URLs
What is the commonly encoded character in a URL?
Plus-sign (+)
What is the breakdown of a URL?
Protocol, host name, port, document path, and query
What is the primary function of the Client Tier in a Web Application?
To handle user-level input and output
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
What is the purpose of the Same Origin Policy?
To prevent scripts from accessing data from different origins
What is the primary function of JavaScript in the Client Tier?
To validate user input and dynamically change the interface
What is the main characteristic of HTML?
It is a markup language used to create graphical pages
What is the purpose of the middle tier in a Web Application?
To interact with backend servers and perform business logic
What is the term used to describe the interaction between a script and a website?
Scripting
What is the purpose of URL encoding in Web applications?
To ensure that data is sent in a special format to prevent errors
What does the HTTP status code 1XX represent?
Informational
What is the primary function of the Web Server in a Web Application?
To interact with backend servers and perform business logic
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
What is the purpose of the HTTP protocol?
To transfer information on intranets and the World Wide Web
What is the primary purpose of the Data Tier in a Web Application?
To store and manage data
What is the HTTP status code range for successful requests?
2XX
What is the purpose of the % symbol in URL encoding?
To indicate the hexadecimal representation of a character
What is the HTTP status code range for redirection?
3XX
What is the purpose of the TRACE request method?
To test or diagnose the request chain
What is a characteristic of HTTP?
It is stateless
What is the purpose of the HEAD request method?
To retrieve header information only
What is the term for managing individual user requests in context?
Session management
What is the purpose of the OPTIONS request method?
To request information about communication options
What is the term for the three tiers of a Web application?
Client, middle, and data
Explore the concept of Web 2.0, its technology, and the security concerns that come with its growth in usage. Learn about AJAX, JavaScript, and client-side logic. Discover the risks and vulnerabilities associated with Web 2.0.
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