computer networks Flashcards
what is a network?
The network is a group of two or more computers or other electronic devices that are interconnected for the purpose of exchanging data and sharing resources
what are? topologies and there advantages and disadvantages
apologies, are the arrangement of various devices such as computer router switches and connections on the computer network. some advantages that they are simple inexpensive to set up and fast secure and reliable data transfer between the devices. disadvantage they could be expensive, hard to build et cetera.
what is Internet?
Internet is a worldwide system of interconnected computer networks and electronic devices that communicate with each other using established our protocols
what is worldwide web?
A collection of webpages found on a global network for computers
what is lan (local area network) also advantages and disadvantages
a lan is a collection of devices connected together in one physical location such as a building, office or Home. advantage is that the device can use a single Internet connection and share files of one another. disadvantage it has a restricted geographic range
what is a wan and advantages and disadvantages
a wan is is a network like this over a large scale geographical area. advantages not limited by distance, large intricate network capabilities. disadvantages it cost a lot of money, speed over distance
What is the difference between a hub and a switch?
difference between a hub and a switch is a hub is a networking device that connects multiple PCs to a single network whereas a switch connects multiple devices on a single computer network
what is a router
A routers a device has provide Wi-Fi and it’s typically connected to a modem
