Week 3 Topic 4: Website deployment

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Questions and Answers

Which of the following is the primary function of a web client?

  • Rendering HTML and CSS to display a website to the user. (correct)
  • Managing network security protocols.
  • Developing the backend logic of a website.
  • Storing website content for later use.

What is the main role of a web server?

  • To store, process, and deliver webpages to users. (correct)
  • To encrypt data transmitted over the internet.
  • To design the user interface of a website.
  • To manage client-side scripting.

What does a URL primarily specify?

  • The type of database used by the web server.
  • The encryption method used for secure communication.
  • The location of a resource on a network and a mechanism for retrieving it. (correct)
  • The styling of a webpage.

In the URL http://www.example.com/index.html, what does http indicate?

<p>The protocol type. (D)</p> Signup and view all the answers

What is the primary function of HTTP?

<p>To transmit hypermedia documents between web browsers and servers. (A)</p> Signup and view all the answers

Which of the following is NOT a typical function of a web browser?

<p>Designing server-side applications. (A)</p> Signup and view all the answers

Which component of a website deployment is responsible for responding to client requests using HTTP?

<p>Web server. (B)</p> Signup and view all the answers

Which of the following best describes the relationship between a web client and a web server?

<p>The web client requests resources, and the web server provides them. (D)</p> Signup and view all the answers

A user reports that their web browser is not rendering a website correctly. What is the most likely cause?

<p>The web browser does not fully support the HTML and CSS specifications used by the website. (C)</p> Signup and view all the answers

If a URL contains ftp://, what type of resource is being accessed?

<p>A file transfer. (A)</p> Signup and view all the answers

How does a web browser utilize HTTP in its interaction with a web server?

<p>To request and receive hypermedia documents. (A)</p> Signup and view all the answers

When deploying a website, what is the significance of ensuring that the web server and client adhere to HTTP specifications?

<p>It enables proper communication and data exchange between the server and client. (B)</p> Signup and view all the answers

Which of the following scenarios would most likely require configuring a web server rather than modifying client-side code?

<p>Implementing user authentication and session management. (C)</p> Signup and view all the answers

A web developer wants to ensure their website is accessible across a wide range of devices and browsers. What should they prioritize?

<p>Adhering to web standards and testing on multiple platforms. (A)</p> Signup and view all the answers

A website is experiencing slow loading times. Which of the following optimizations is most likely to improve performance on the server side?

<p>Implementing caching mechanisms. (B)</p> Signup and view all the answers

What is the potential impact of a web server not adhering strictly to HTTP specifications when handling file uploads?

<p>Uploaded files may be corrupted, misnamed, or rejected, leading to data loss or application errors. (C)</p> Signup and view all the answers

How does the use of a CDN (Content Delivery Network) enhance website deployment, particularly for users geographically distant from the origin server?

<p>By storing cached copies of website assets on geographically distributed servers, reducing latency. (D)</p> Signup and view all the answers

A web developer discovers that certain international characters (e.g., accented letters or non-Latin scripts) are not displaying correctly on a webpage. What is the most effective server-side configuration change to address this issue?

<p>Configuring the server to use UTF-8 encoding for all text-based content. (C)</p> Signup and view all the answers

You are tasked with deploying a highly interactive web application that relies heavily on real-time data updates using WebSockets. Which server-side technology would provide the least efficient performance?

<p>A traditional LAMP stack (Linux, Apache, MySQL, PHP), relying on frequent polling. (B)</p> Signup and view all the answers

Consider a scenario where a web server is configured to serve static assets (images, CSS, JavaScript) with aggressive caching directives (e.g., Cache-Control: max-age=31536000). After deploying a new version of the website with updated static assets, some users are still seeing the old versions, even after clearing their browser cache. What is the most robust strategy to force clients to update their cached assets immediately?

<p>Implement cache busting by appending a version number or hash to the static asset filenames (e.g., <code>style.css?v=2</code> or <code>script.js?hash=abcdef</code>). (A)</p> Signup and view all the answers

Flashcards

Web Server

Software and hardware that uses HTTP and other protocols to respond to client requests over the web by storing, processing, and delivering webpages.

Web Client

Software, like a browser, that obeys HTTP and HTML specifications to communicate with web servers, download content, and render websites for users.

HTTP (Hypertext Transfer Protocol)

An application-layer protocol for transmitting hypermedia documents, enabling communication between web browsers and servers.

URL (Uniform Resource Locator)

A reference to a resource that specifies its location on a computer network and the mechanism for retrieving it.

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Study Notes

  • Web clients and servers are essential for deploying websites to users

Web Client

  • Web client usually refers to the web browser on a user's machine or mobile device
  • Web client can also refer to extensions and helper applications for enhanced browser support
  • Web browsers obey HTTP and HTML specifications
  • Web browsers communicate with web servers to download HTML and CSS
  • Web browsers render the website for user viewing
  • Popular web browsers include Google Chrome, Internet Explorer, Opera, Firefox, and Safari

Web Server

  • Web server is software and hardware using HTTP and other protocols to respond to client requests
  • Web server's main job is to display website content
  • Web server functions include storing, processing, and delivering webpages to users

Uniform Resource Locator (URL)

  • URL is a reference specifying a resource's location on a computer network
  • URL provides a mechanism for retrieving the resource
  • URLs are commonly used to reference webpages (http)
  • URLs can also be used for file transfer (ftp), email (mailto), and database access (JDBC)
  • Most web browsers display the URL in an address bar
  • A typical URL includes the protocol type (http), the domain name, and the specific webpage (e.g., http://www.example.com/index.html)

Hypertext Transfer Protocol (HTTP)

  • HTTP is an application-layer protocol for transmitting hypermedia documents like HTML
  • HTTP was designed for communication between web browsers and servers
  • HTTP can be used for other purposes beyond web browsing

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