Buisness sem exam

List 5 examples of TLD

.edu,.gov,.org,.com,.net

Domain Name System (DNS)

A service that keeps a database of DNS records

World Wide Web

A system of interlinked documents available on the Internet.

Domain name

A text based address

IP address

A unique address for computers connected to a network.

Internet

A vast global network that is comprised of many similar interconnected networks.

What three things are the basis of the WWW

HTML, web browser programs, and web servers.

2 other protocols

HTTPS: secure and encrypted web transactions FTP: transfer large files between computers.

HTML

Hyper Text Markup Language. It is a standardized computer language for creating pages.

HTTP

Hypertext Transfer Protocol, used to request web pages from a web.

Packet

Information that is broken down into smaller pieces to travel across a network

DNS record

Matches domain name with the correct IP address.

2 main parts of URL

Protocol and domain name

What are four activities that use the WWW

Searching for information, chatting with friends, buying things online, watching videos online.

What are two activities that use the Internet

Sending an email and playing on a game station with people all around the world.

Who developed the WWW and why?

Sir Tim Berners-Lee developed the WWW so people using different computers could share information.

Client

The computer running the web browser program

Data payload

The information being sent in a packet

What does your web browser do?

The web browser contacts the web server then when the web page is served back, it follows the instructions in the HTML file to display the webpage.

URL

Uniform Resource Locator

What does the webs server do?

When contacted by the web browser, the web server serves, or delivers all the files that form web pages.