5.3 The internet and the world wide web
5.3.1 Understand what is meant by the internet and how the internet is structured (IP addressing, domain name service (DNS)).
5.3.2 Understand what is meant by the world wide web (WWW) and components of the WWW (web server URLs, ISP, HTTP, HTTPS, HTML).
5.3.3 Understand the need for IP addressing standards and the formats of IPv4 and IPv6.
5.3.4 Understand the role of components used to access the internet (modem, router, switch, wireless access point (WAP)) and how these are combined.
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