Exercises, examples and other material relating to training module W601. This topic is presented on public courses Deploying LAMP - Linux, Apache, MySQL, Perl/PHP
, Linux Administration
, Technology Background for PHP
, Getting Public Sector Data on Line
How does information get to your computer screen from the other side of the world? How does information that you enter onto forms get correlated elsewhere to reserve you a place on an airline flight, or to ship you the coffee beans you ordered? In this module, we look at the structure of the networks, such as the Internet, and the various services provided on them. This is useful background information for you if you're going to be responsible for a web site, or if you're going to be writing programs to run on computers on the Internet.
|Articles and tips on this subject||updated|
|2246||What difference does using the XHTML standard really make?|
I enclose my HTML attributes in quotes - or at least when I remember, I do!
I always provide a matching close tag to go with each opening tag - except when I forget to do so, or am in a hurry
I make sure I provide an alt attribute with each image - although sometimes I really don't know what I would ...
|1798||What does an browser understand? What does an HTML document contain?|
What would I expect a browser to understand?
• HTML (To describe how the page is marked up)
• Images - .jpg .gif .png (Photos, diagrams, etc)
• Style Sheets - .css (To set the look and feel)
and probably (but progressively less likely:
Some modules are available for download
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Topics covered in this module
Internet and Intranets.
The need for someone to manage the data.
Company networks and intranets.
An example intranet.
Home page service.
Virtual Private Networks.
Components of the Web.
The Client/Server model.
Extra accesses to a server.
Extra machines involved.
Extra actions of the server.
What the browser does.
Server programs to receive email.
Receiving email at your desk.
For the Web Programmer.
Other services and their components.
IP, TCP, and the Domain Name Service.
IP, and the Domain Name Service.
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