A computer network is two or more communication media enabled devices that are linked to each other. This allows the devices to communicate with each other, it allows resources, data and information to be transferred/shared amongst these linked devices.
2. List 4 components of communication networks
The four components are the following:
• Communication channels/media
• Communication hardware devices
• Communication protocols
• Communication software
3. (a) What are the 2 ways in which communication network can be classified
Communication networks can be classified in 2 categories
Wired transmission – The media uses wires and cables to transfer resources, data and information. Examples of…show more content… Define the following terms cloud computing, intranet, extranet and client server systems
Cloud computing is an internet based computing. Via the internet data can be stored, managed and processed on demand. Intranet is a private network that can only be accessed by the organization’s personnel. The organizations information and data is shared within the organization and its personnel but not available to the general public.
The extranet is a controlled private networks that securely shares information with vendors, customers and partners. It is an extension of the organizations intranet that can only be access if permission has been granted. The extranet is usually a private part of a website.
The client server system, is a software model consisting of two parts, one being the client system and the other the server system. Both these systems communicate over a computer network i.e. Web browser.
6. What is the internet and how does it work?
The internet is a worldwide network of computers, which supports communicating and sharing of data via numerous applications.
Due to the fact that the internet is a global network each computer connected to the internet must have a unique adres, this adres is also known as an IP
