The Internet Flashcards
What is Global network?
Network- group of computers connected together
A global network is any communication network which spans the entire Earth.
Internet is a global network
What are protocols?
Protocol- set of rules that allows a computer to connect to a different network
What is Points of presence (POP)and internet exchange points (IEP)?
Point of presence (POP) is the point at which two or more different networks or communication devices build a connection with each other.
POP mainly refers to an access point, location or facility that connects to and helps other devices establish a connection with the Internet.
What is a Client?
The client is the Web browser, or Web browser and computer, that requests Web pages and services from a server.
What is a connection Backbone?
Connection backbone- the main connecting data routes between large networks on the internet and smaller networks in the local region.
What is a Internet infrastructure (clients, servers, routers)?
Hardware and software needed to use the internet
What are the 3 types of connection methods to the internet ?
Wireless- only works with wireless devices, it connects to the internet with out any wires attached to the device.
Broadband- these are wired connection to the internet, which requires an Ethernet cable from your device to the router.
Dial up- also a wired connection via a telephone line. It requires a modem to convert information.(very slow)
What is Transmission control protocol(TCP)?
guarantees delivery of data and also guarantees that packets will be delivered in the same order in which they were sent.
What us internet protocol?
Internet protocol (IP) is the language that computers use to communicate over the Internet (IP address)
What is File transfer protocol (FTP)?
File transfer protocol (FTP)
protocol that allows users to copy files between their local system and any system they can reach on the network (dropbox)
What is The role of internet service providers (ISP) and what services do they offer?
They buy an internet connection
They buy bandwidth (internet speed)
They provide internet to people and businesses
Provide wireless services
Internet security
Upgrade to speed and backup and telephone lines
What is Bandwidth?
Bandwidth- describes the way in which data can be transferred to your computer from a website (how much speed it can hold in bits per second)
What is transmission rate?
Transmission rates- the amount of digital data moved from one point to another at a given time. (travel speed in bits per second)