Internet, Web and Email: Revision and References
Shared revision, practice questions, answer explanations and references from the original module.
By Akhilesh Saini
Module CA-06 — Consolidated quick revision
| Concept pair | Distinction to remember |
|---|---|
| Internet / WWW | Network infrastructure / linked web resources and services |
| Intranet / Extranet | Restricted internal access / selected access for approved outsiders |
| Webpage / Website | Individual web resource / collection of related pages |
| Browser / Search engine | Opens web resources / helps discover matching resources |
| Domain / URL | Human-readable name / fuller resource address |
| DNS / Hosting | Provides name-related records / serves website or application content |
| CC / BCC | Visible additional recipients / hidden additional recipients |
| Reply / Reply All | Limited reply / reply involving multiple recipients |
| Upload / Download | Send from device / receive to device |
| Bandwidth / Throughput | Rated capacity / achieved transfer rate |
| Mbps / MB/s | Megabits per second / megabytes per second |
| Sync / Backup | Coordinates states / preserves recoverable copies |
| Cloud storage / Web app | Stores remote data / delivers interactive functionality |
Sources and further reading
For the concepts and educational examples above, the following primary/help references are useful. They are additional reading rather than substitutes for the explanations:
- MDN — How does the Internet work? — Internet, intranet, extranet and basic networking.
- MDN — Browsing the web — browser, website, server and search engine.
- MDN — How the web works — request/response and DNS overview.
- MDN — What is a URL? — URL elements and syntax.
- MDN — Transport Layer Security — protections and limitations of HTTPS.
- Google Search Help — Refine Google searches — quotation marks and supported query operators.
- Microsoft Support — Hide names and addresses using Bcc — BCC recipient handling.
- NIST — The NIST Definition of Cloud Computing — conceptual cloud-computing definition and SaaS.