Questions and Answers
What is described as a distributed, collaborative, hypermedia information system that runs on top of the Internet infrastructure?
Which standard defines the global system of interconnected computer networks that the Internet is based upon?
What is the primary purpose of Uniform Resource Identifiers (URI) in the World Wide Web?
What resources and services does the Internet provide besides web documents and applications?
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What significant development marked the beginning of the World Wide Web?
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Who invented the World Wide Web?
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Which of the following is NOT one of the primary technologies developed by Tim Berners-Lee for the World Wide Web?
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What does a web server do?
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Which of the following components is critical for identifying a web resource?
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What distinguishes a dynamic resource from a static resource?
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What is the main function of application servers?
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Which of the following is an example of a web application?
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What protocol is used for communication between web clients and servers?
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What does a web client primarily refer to?
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Which of the following best describes a website?
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Study Notes
Objectives
- Understand the World Wide Web (WWW) and its operation.
- Learn about the architecture and technologies that support the WWW.
- Familiarize with web applications and their development processes.
Evolution of the Web
- The first website was created at CERN, marking the birth of the web.
- The web has significantly evolved since its inception, with substantial developments over time.
World Wide Web (WWW)
- The WWW is a distributed, collaborative, hypermedia information system built on the Internet's infrastructure.
- Resources on the web are identified by Uniform Resource Identifiers (URIs).
Internet
- A network of networks governed by TCP/IP standards, enabling global communication and data interchange.
- Offers various resources, including web documents, email, and file sharing.
Tim Berners-Lee
- Inventor of the WWW, developed crucial technologies: HTTP, URL, and HTML.
- Established the World Wide Web Consortium (W3C) to guide web standards and protocols.
WWW Core Components
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Web Resources:
- Web Pages: HTML documents featuring information and hyperlinks.
- May include scripts, stylesheets, and multimedia; can be static or dynamic.
- Websites: Collections of web resources under a unified domain.
- Web Applications: Websites designed with application logic to perform specific tasks (e.g., online banking, media streaming).
Web Servers
- Host web resources and can operate multiple websites or applications.
- Examples include Apache's HTTP Server and Microsoft's IIS for web servers, while Oracle's WebLogic and IBM’s WebSphere serve as application servers.
Web Clients
- Software used to access web resources, primarily web browsers.
- Includes any end-user tools or applications using web protocols, e.g., mobile weather apps.
Uniform Resource Locator (URL)
- A unique reference identifier for web resources, crucial for navigation and access.
Hypertext Transfer Protocol (HTTP)
- Communication protocol facilitating interaction between clients and servers.
- Clients issue HTTP request messages, while servers respond with HTTP response messages.
- The payload includes resources sent by the server (e.g., HTML pages) and data sent by clients (e.g., uploads).
The WWW Now
- Modern web applications encompass a vast range of services, including:
- Search engines
- Banking and e-commerce platforms
- E-governance solutions
- Social networks
- Entertainment and media streaming services
- Learning management systems
- Scientific research tools
- Website builders
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Description
This quiz covers the fundamental concepts of the World Wide Web, including its architecture and the technologies that support it. You'll also explore the evolution of the web, starting from the first website to current web applications and their development tasks.
