Theory: Internet Terms and Html

Question 1

What’s a network?

Answer 1

A collection of computers and devices connected together with communication devices (network cards) and transmission media (cables, microwaves) allowing the sharing of resources.

Question 2

Is the WWW same as the Internet

Answer 2

 The web (WWW) is a way of accessing information over the medium of the Internet.
 It is an information sharing model that is built on top of the Internet, it is a massive collection of digital pages.

Question 3

Describe Dial Up connection

Answer 3

 A modem and telephone line is required
 Slower and less reliable (will disconnect after a certain time)
 The slowest overall connection speeds.
 Most secure because you could cut it off and there was no access.
 Can’t use the landline…. Takes up all the data.

Question 4

Describe Broadband

Answer 4

 Cable and DSL (digital subscriber line, way the data is being transferred)
 Cable connection – user must subscribe to a service (cable-television/Internet)
 Allows the user to stay connected to the Internet at all times

Question 5

Describe Wi-Fi

Answer 5

 Wireless fidelity, 802.11
 Allows users to have mobile connections, accessing the web where and when they need.
 Emits radio waves to transmit information across a network.
 To connect wirelessly, a device must have a wireless adapter that will translate data sent into a radio signal. The same signal will be transmitter, via an antenna, to a decode known as the router. Once decoded, the data will be sent to the Internet through a wired Ethernet connection.

Question 6

What is the Internet Service Provider?

Answer 6

 An organisation that provides access to the Internet for a fee.
 Examples, iPrimus, Optus, Dodo and BigPond

Question 7

What is a web browser?

Answer 7

 A software program that allows users to access and view web pages
 Examples: Internet Explorer, chrome, Firefox, Safari
 Web Browsers – Display websites, link to other web pages, download information

Question 8

What is the IP address?

Answer 8

 The number that uniquely identifies each computer on the Internet.
 IP address: 167.80.146.00

Question 9

What is a protocol?

Answer 9

 Protocol refers to the rules that ensue the orderly and accurate transmission and receiving of data.

Question 10

What are packets?

Answer 10

 Each packet contains the data, the recipient (destination) the origin (sender)
 Each packet travels along the fastest individual available path to the recipients computer
 As the packets arrive at their destination they are reassembled into a replica of the original file.

Question 11

What is FTP?

Answer 11

 File Transfer Protocol
 When FTP appears in a URL the user is connecting to a file server and not a web server
 Used to upload and download files
 FTP server is the computer from which files are uploaded or downloaded

Question 12

What is SMTP.

Answer 12

 Simple Mail Transfer Protocol

 The standard used for outgoing mail

Question 13

What is the Internet?

Answer 13

A worldwide system that connects millions of computers together globally.