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what´s the internet?
The Internet is the global system of interconnected computer networks that use the Internet protocol suite (TCP/IP) to link billions of devices worldwide. It is a network of networks that consists of millions of private, public, academic, business, and government networks of local to global scope, linked by a broad array of electronic, wireless, and optical networking technologies. The Internet carries an extensive range of information resources and services, such as the inter-linked hypertext d -
how does the internet work?
Even though the Internet is still a young technology, it's hard to imagine life without it now. Every year, engineers create more devices to integrate with the Internet. This network of networks crisscrosses the globe and even extends into space. -
what is a server? explain the differences between “hosting” and “housing”.
A server is a computer program or a machine that waits for requests from other machines or software (clients) and responds to them.is basically hold our servers in a Data Center outside. The services provider we should provide are:
• Electricity,
• Cooling,
Hosting service is the set of services that we can hire to manage our server rack. Typically we have:
• rental of dedicated servers,
• Application Management (operating system, Web Server, Email, Database, ...)
• Backup (daily, weekly, .. -
What’s a domain?
The domain is the name of a network or computer that is linked to the Internet.
You can find the domain in an email address after an @ sign. The email address for the First Lady, for example, is first.lady@whitehouse.gov. You can see that "whitehouse.gov" is the domain..com = commercial
.gov = government
.org = organization
.edu = educational institution -
How can you register a domain in the Internet?
One of the many reasons the Internet is so powerful is because it gives nearly anyone the ability to contribute their voice and knowledge to the rest of the world. A particularly popular way to make yourself known is to set up a website -
What does the “www” mean?
WWW are initials that identify the English expression World Wide Web, the system of hypertext documents that are linked together and accessed via the Internet . Through a software known as a browser,users can view various web sites (which contain text, images, videos and other multimedia content) and navigate through them using hyperlinks. -
What is the difference between http and https?
1) In case of HTTP URL begins with “HTTP://” and for HTTPS connection it is “HTTPS://”
2) HTTP is unsecured on other hand HTTPS is secured.
3) HTTP uses port 80 for communication unlike HTTPS which uses port 443
4) No certificates required for validation in case of HTTP. HTTPS requires SSL Digital Certificate
5) No encryption in HTTP; Data encrypted before sending and receiving in HTTPS
