Internet, WWW & Web Browsers
Internet vs world wide web, URL anatomy, how DNS and HTTP/HTTPS fetch a page, browser functions, and session vs persistent cookies β in precise exam wording.
Three interactive trainers take you through the internet side of the course β how the web actually reaches you, the money that exists only online, and how to stay safe from the threats that target it. The first covers the internet, the WWW and web browsers (Cambridge 5.1); the others cover digital currency and blockchain (5.2), then cyber security (5.3). Each one teaches the idea, lets you drill it, then tests you β work through them in order or jump to the skill you need.
Internet vs world wide web, URL anatomy, how DNS and HTTP/HTTPS fetch a page, browser functions, and session vs persistent cookies β in precise exam wording.
Digital currency and cryptocurrency, centralised vs decentralised systems, and how blockchainβs time-stamped, linked digital ledger that cannot be altered makes transactions tamper-evident.
The 8 threats and the solutions that defeat them, which defence defeats which threat, the phishing-vs-pharming trap, and what actually makes a password strong.