Overview of Web Stack

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What are the two primary layers of software that the Web was born with?

Web Server and Web Client

In what format are the documents usually written on the World Wide Web?

HTML (Hypertext Markup Language)

What is the function of Internet Protocol (IP) in the World Wide Web?

Sending data packets between nodes on the Internet

What is the function of Transmission Control Protocol (TCP) in the World Wide Web?

Layering message delivery on top of IP and guaranteeing arrival at logical address (IP address) Signup and view all the answers

What is the purpose of adding multiplexing in Transmission Control Protocol (TCP) in the World Wide Web?

To allow multiple programs to use the same IP Signup and view all the answers

What is the Universal Datagram Protocol (UDP) used for in the context of the Web stack?

Streaming media programs use UDP instead of TCP. Signup and view all the answers

Name two examples of Web Servers used for publishing HTML documents.

Nginx, Apache, Microsoft IIS Signup and view all the answers

What is the role of Domain Name Servers (DNS) in the Web stack?

DNS is used for resolving the IP addresses of domain names. Signup and view all the answers

What is the function of Web Clients in the context of the Web stack?

Web Clients are applications that communicate with Web Servers to access and interact with web content. Signup and view all the answers

What are the main components involved in the HTTP request - HTTP response cycle?

Web Server, Web Application, Database Layer Signup and view all the answers

What should be updated in the docker-compose.yml file to prepare the backend database using PostgreSQL?

The image and volumes for the database service should be updated to use PostgreSQL and specify the data directory respectively. Signup and view all the answers

What is the purpose of updating the docker-compose.yml file as illustrated in the text?

The purpose is to set up the PostgreSQL database using Docker Compose for the backend of the web application. Signup and view all the answers

What does the text describe as the difference between basic dynamic websites and web applications?

The text mentions that the difference between basic dynamic websites and web applications is not clear-cut. Signup and view all the answers

What does a dynamic website refer to based on the text?

A dynamic website refers to a website with dynamically generated content. Signup and view all the answers

What is the purpose of the docker.env file mentioned in the text?

The docker.env file is used to specify environment variables for the Docker containers, such as the database service. Signup and view all the answers

What are some examples of Web applications as distinguished in the text?

facebook.com, twitter.com, linkedin.com, amazon.com, elearning.pau.edu.ng Signup and view all the answers

What is the typical building block of dynamic Websites according to the text?

Server side code, Backend database, Optional client side scripting Signup and view all the answers

What was PHP originally built as, and what does it refer to now?

Originally built as Personal Home Page, now refers to PHP Hypertext Preprocessor Signup and view all the answers

How is PHP typically configured for use in the nginx Web server environment?

PHP processes are typically handled using another software e.g. PHP-FPM Signup and view all the answers

Name two other languages used for server side scripting as mentioned in the text.

ASP (Active Server Pages), JSP (Java Server Pages) Signup and view all the answers