Learning objectives
Distinguish the internet from the world wide web, describing the internet as the global network infrastructure and the web as the collection of pages that are reached across it
Explain the structure of a uniform resource locator, and describe how a domain name service server turns a domain name into the IP address of the web server
Compare HTTP with HTTPS, and explain how a digital certificate and a secure socket layer session protect the data exchanged with a website
Describe what a web browser does, including rendering hypertext markup language, keeping a history and managing cookies, and distinguish session cookies from persistent cookies
Describe digital currency as money that exists only in electronic form, and explain how a blockchain records every transaction in a chain of time-stamped blocks that all users can inspect
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