The Internet And The World Wide Web
Muhtasari
"The internet" and "the web" get used as if they were the same thing, but they are not: one is the physical and addressing structure connecting billions of devices, the other is a service that runs on top of it, made of linked pages and the protocols that fetch them. Confusing the two is one of the most common mistakes students make in this topic.
This lesson separates the internet's structure, IP addressing and the domain name service, from the world wide web's own components: web servers, URLs, ISPs, HTTP, HTTPS and HTML. You will also compare IPv4 and IPv6 addressing, and see how a modem, router, switch and wireless access point combine to get a home or office onto the internet in the first place.
Malengo
- Understand what is meant by the internet and how the internet is structured (IP addressing, domain name service (DNS))
- Understand what is meant by the world wide web (WWW) and components of the WWW (web server URLs, ISP, HTTP, HTTPS, HTML)
- Understand the need for IP addressing standards and the formats of IPv4 and IPv6
- 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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Tathmini ya Somo
Hongera kwa kukamilisha somo la The Internet And The World Wide Web. Sasa kwa kuwa umechunguza dhana na mawazo muhimu, ni wakati wa kuweka ujuzi wako kwa mtihani. Sehemu hii inatoa mazoezi mbalimbali maswali yaliyoundwa ili kuimarisha uelewaji wako na kukusaidia kupima ufahamu wako wa nyenzo.
Utakutana na mchanganyiko wa aina mbalimbali za maswali, ikiwemo maswali ya kuchagua jibu sahihi, maswali ya majibu mafupi, na maswali ya insha. Kila swali limebuniwa kwa umakini ili kupima vipengele tofauti vya maarifa yako na ujuzi wa kufikiri kwa makini.
Tumia sehemu hii ya tathmini kama fursa ya kuimarisha uelewa wako wa mada na kubaini maeneo yoyote ambapo unaweza kuhitaji kusoma zaidi. Usikatishwe tamaa na changamoto zozote utakazokutana nazo; badala yake, zitazame kama fursa za kukua na kuboresha.
- Which statement correctly distinguishes the internet from the world wide web? A) They are exactly the same thing B) The internet is the global network; the web is one service that runs on it C) The web is the hardware; the internet is the software D) The internet only carries email, not web pages Answer: B
- What is the purpose of the domain name service (DNS)? A) To encrypt data sent between a browser and a server B) To translate domain names into numerical IP addresses C) To connect wired devices on a local network D) To provide a household's connection to its ISP Answer: B
- Which of these is written in the IPv6 address format? A) 192.168.0.1 B) 172.16.254.1 C) 2001:0db8:0000:0042:0000:8a2e:0370:7334 D) 10.0.0.255 Answer: C
- In the URL https://www.example.com/about.html, which part is the protocol? A) www.example.com B) https C) about.html D) .com Answer: B
- Which hardware device connects multiple wired devices together on the same local network? A) Modem B) Router C) Switch D) Wireless access point Answer: C
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Vitabu Vinavyopendekezwa
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