Transfer Of Data In Ict System Chap-17

Question 1

Http

Answer 1

Protocol that controls communication over the Internet.

Question 2

Intranet

Answer 2

A private network within the organisation and restricted to one place.

Question 3

Extranet

Answer 3

A network that is available for outside users.

Question 4

HTML

Answer 4

Language that web pages are written.

Hyper text meaning language(HTML)

Question 5

World wide web ( WWW )

Answer 5

Connection of multimedia over the Internet.

Question 6

Procedures

Answer 6

A set of rules or standards

Question 7

Https

Answer 7

Means Internet is more secure

Question 8

What is de facto standard

Answer 8

Hardware or software that has become standard because most people use it. Also it is more popular and more reliable .

Question 9

What is de jure standard

Answer 9

Standard that is demanded by legal regulations.

Question 10

What is VLE and its features

Answer 10

Virtual learning environment which allows students and teachers to communicate.

Question 11

Keywords

Answer 11

HTML script of a webpage

Question 12

What is stand alone computers and one advantage?

Answer 12

A computer that can only access it’s own files and peripherals.
Adv: the Internet work at constant speed and virus is not spread out.

Question 13

Two main types of network organisation

Answer 13

Client server & peer-to-peer

Question 14

Name 3 main topology

Answer 14

Star
Ring
Bus

And meah

Question 18

What is networked computer and one advantage

Answer 18

Data stored on network computers can be accessed by different network users.
Adv: hardware such as printer or scanner can be shared so saving money.

Question 19

MAN

Answer 19

networks covers area like town or city and it is connected by cables Or satellites is called

Question 20

What is HUB

Answer 20

Join computers in a network so they can share files and an Internet connection.

Question 20

Routers

Answer 20

hardware devices that joins several wireless networks together.

Question 20

What is bus topology and say one adv:

Answer 20

There is one main cable all computers are attached to and uses on small LAN’s.

Adv:
Cheap to install as requires very little cabling.

Question 20

What is a ring topology and say one adv:

Answer 20

On a ring all computers are linked together. There is no main computer acting as a server.

Adv:
Data travels on the cable in one direction only.

Question 21

What is network switch

Answer 21

Switches creates a network where as routers connects networks.

Question 21

What is a star topology and say one adv:

Answer 21

Computers are linked to server and is used on large LAN’s
Adv:
1)easier for technician to find the faults.

Question 22

Characteristic of LAN

Answer 22

A LAN coves small geographical area

Question 23

Peer to peer and one adv:

Answer 23

A simple network that provides shared resources to other computer and there is no main server.
Adv: much cheaper than client server.

Question 24

Client server and one adv:

Answer 24

With client server the files will not be stored on the hard drive of each workstation instead it will be stored on a server. Also you have user account. Adv: backup is easy to perform and there is no need to rely on users backing up their own files.

Question 25

What is internet

Answer 25

group of networks joined together.