Revision Questions: Components that Facilitate Navigating the World Wide Web

What is the role of web browsers in navigating the web?

Web browsers retrieve resources via HTTP/HTTPS and render HTML, CSS, and JavaScript to display web pages.

What is a static website?

A website with fixed content that does not change unless manually updated.

What is a dynamic website?

A website where content changes dynamically based on user interaction or server-side processing.

What is a URL (Uniform Resource Locator)?

A unique identifier for a resource on the web, consisting of a protocol, domain, and path.

What is the purpose of the DNS (Domain Name System)?

To translate human-readable domain names into numerical IP addresses.

What is the difference between HTTP and HTTPS?

HTTP facilitates unencrypted communication, while HTTPS uses SSL/TLS encryption for secure data transfer.

What are the main protocols that form the foundation of the Internet?

HTTP, HTTPS, and TCP/IP.

What is the purpose of hyperlinks in web navigation?

To connect resources on the web by linking web pages using the <a> HTML tag.

How does JavaScript improve navigation?

By enabling dynamic interaction, such as dropdown menus and dynamically loaded content.

What is the role of CSS in navigation?

To style and position elements like buttons and menus, improving usability.

How do search engines facilitate navigation?

By indexing and ranking web pages to help users find resources efficiently.

What are the components of a URL?

Protocol (e.g., https://), domain name (e.g., www.example.com), and path (e.g., /page.html).

What is the role of web servers in navigation?

They store, process, and deliver web resources like HTML, CSS, and JavaScript to clients.

How has web navigation evolved from static to dynamic websites?

Navigation shifted from fixed HTML links to real-time, interactive experiences using JavaScript and server-side logic.

What is Web 2.0?

A phase of the web where users interact and contribute content, enabling collaboration and dynamic navigation.

How does DNS improve user experience?

By allowing users to type domain names instead of remembering numerical IP addresses.

What is the function of HTTP in the web?

To define the rules for transferring resources like HTML files between clients and servers.

What is the relationship between a client and a server?

The client requests resources, and the server processes and responds with the requested content.

How do web crawlers contribute to navigation?

They browse and index web content for search engines, enabling efficient retrieval of information.

What are the key technologies used for modern web navigation?

HTML for structure, CSS for styling, JavaScript for interactivity, and HTTP/HTTPS for communication.