IGCSE Information and Communication Technology/4. Networks and the effects of using them

networks are:a group or system of interconnected people or things. Networks Understand how a router works and its purpose Understand the use of other common network devices, including: network interface cards, hubs, bridges, switches, modems Understand the use of WiFi and Bluetooth in networks Understand how to set up and configure a small network, including: access to the internet, the use of a browser, the use of email, access to an ISP Understand the characteristics and purpose of common network environments, such as intranets and the internet Understand the advantages and disadvantages of using different types of computer to access the internet 4.2 Network issues and communication Describe security issues regarding data transfer Network communication