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SayPro Course in End User Computing SAQA...
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SayPro Course in End User Computing SAQA 61591 NQF Level 3 credits 130
Herbet Allet Shungube
SayPro Level 3: Practitioner (Intermediate)
R4,999
R4,999
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SayPro Table of Contents
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We shall now look at some of the popular terms relating to the internet.
1. THE WORLD WIDE WEB (WWW)
2. UNIFORM RESOURCE LOCATOR (URL)
3. HYPERTEXT TRANSFER PROTOCOL (HTTP)
Hypertext transfer protocol (HTTP) is a communications protocol that transfers information on intranets and the World Wide Web to retrieve and publish hypertext pages. The hypertext transfer protocol is in place to send out the message that a particular web browser is looking for the particular web page at the address that follows the HTTP in the address bar of the web browser window. Yet the actual process of HTTP and the request it makes is much more complicated than what any visitor to a website actually sees.
When the HTTP goes out, it is a response or request protocol between a client and a server to access a certain resource, which may be a web page or other graphic stored in the server as files. The client can be a number of things, such as a web browser, a search engine spider, or any other end-user tool, while the server is a storage area for a particular set of HTML files and images. The user agent, as the client is called, uses the hypertext transfer protocol to communicate with the server, which is also called the origin server. Between the user agent and the origin server there may also be many intermediary processes such as proxies, gateways, and tunnels, all of which work together to finish the transfer of information to the end user. The HTTP request sends a URL to the server for a file (a web page, an image, or another type of file) stored there. The URL is then sent back to the end user.
4. INTERNET SERVICE PROVIDER (ISP)
5. FILE TRANSFER PROTOCOL (FTP)
6. HYPERLINK
7. INTERNET CACHE
The Internet Cache Protocol (ICP) is a protocol used for coordinating web caches. Its purpose is to find out the most appropriate location to retrieve a requested object from in the situation where multiple caches are in use at a single site. The goal is to use the caches as efficiently as possible, and to minimize the number of remote requests to the originating server.
. COOKIES
Activity 2
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Herbet Allet Shungube