The Internet

Question 1

What is the internet?

Answer 1

The internet is a global computer network that provides a large variety of information and communication facilities, consisting of interconnected networks using standardized communication protocols.

Question 2

Internet is an acronym for…

Answer 2

…International Network for Communication

Question 3

What was the first simulation of the internet called?

Answer 3

APRAnet

Question 4

When was ARPAnet developed?

Answer 4

1969

Question 5

Who developed ARPAnet?

Answer 5

The Advanced Research Projects Agency, an agency of the United State’s Department of Defence

Question 6

How many mainframe computers did ARPAnet connect?

Answer 6

Four

Question 7

Why was ARPAnet developed?

Answer 7

To decentralize the storage of information during the war for safety purposes

Question 8

What does TCP/IP mean?

Answer 8

Transmission Control Protocol/Internet Protocol

Question 9

What is TCP/IP?

Answer 9

It refers to a set pf rules for message formats and procedures that allow machines and application programs exchange information. It thus, carefully defines how information moves from sender to receiver.

Question 10

How are ‘messages’ transmitted with TCP/IP?

Answer 10

The internet requires large transmissions of data be broken down into small chunks called packets. TCP/IP identifies each packet with its own electronic label and mailing address. The packets are then routed through the network from computer and are reassembled at their destination.

Question 11

Features of the internet

Answer 11

• No central authority or computer
• All users can be treated as equal
• Runs slowly when overloaded
• Regulation of objectionable content is almost impossible
• Transmission can be slow

Question 12

Internet Software Tools

Answer 12

Email
Internet Discussion Groups
File Transfer Protocol (FTP)
Telnet
Web Browsers

Question 13

What are internet discussion groups?

Answer 13

They are accessible on the internet even if they are not part of it and allow people to create discussion groups and communicate via email

E.g. Listserv, Usenet

Question 14

What is a FTP?

Answer 14

It is a standard network protocol that is used for the transfer of computer files between a client and server on a computer network.

Question 15

What is Telnet?

Answer 15

It is a protocol that allows you to connect to remote computers (hosts) over a TCP/IP network like the internet.

Question 16

What are web browsers?

Answer 16

They are tools for retrieving, presenting and transversing information resources on the world wide web.

Question 17

What is the world wide web?

Answer 17

It refers to resources that can be accessed on the internet via servers. These resources are on servers.

Question 18

What are cookies?

Answer 18

They track user behaviour on a web browser to optimize user experience on the web. They note visited pages, navigation activities, etc.

Question 19

What is the cache?

Answer 19

It records visited pages and media on web pages such that reloading of the page or media becomes easier. It also comprises user login details, passwords, form details, etc.

Question 20

What is intranet?

Answer 20

It is a private network accessible to only a small group of people, such as the members of staff of an organization. It gives access to the company’s information.

Question 21

What are the features of intranet?

Answer 21

• Contains staff’s personal details
• Can be used to publish content for use within the organisation only
• Training courses can be found there
• Online chats and meetings as regards the organization can be done on it

Question 22

What is extranet?

Answer 22

It is a form of intranet but it is extended to allow restricted access by third parties such as customers, suppliers or distributors

Question 23

Features of extranet

Answer 23

• Contains staff’s personal details
• Can be used to publish content for use within the organisation only
• Training courses can be found there
• Online chats and meetings as regards the organization can be done on it
• Communication with parties outside the organization is allowed.