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Unit 2 AP CSP
Internet
| Term | Definition |
|---|---|
| UDP | protocol for sending packets quickly with minimal error checking and no resending of dropped packets |
| internet engineering task force | develops and promotes internet standards and protocols |
| router | a type of computer that forwards data across a network |
| SSL/TLS | an encryption layer of HTTPS that uses a public key cryptography to establish a secure connection |
| scalability | capacity for the system to change in size and scale to meet new standards |
| path | series of connections between computing devices starting w/ sender and ending w/ receiver |
| datastream | information sent through the internet in packets |
| reliability | having many redundant paths means if one goes down, there are many other paths a message can take |
| internet censorship | attempt to control or suppress what can be accessed, published, or viewed on the internet by certain people. This can be used to protect people, but also limit free speech |
| computing network | a group of interconnected computing devices capable of sending or receiving data |
| IP Address | the unique number assigned to each device on the internet |
| protocol | agreed upon set of rules that specify the behavior of some system |
| computing device | a machine that can run a program including computers, tablets, servers, routers, and smart sensors |
| benefits of packets | limited data loss, improved speed, efficient network usage |
| digital certificates | verifies that a website is safe and trustworthy |
| packet | a chunk of data sent over a network. larger messages are divided into parts |
| DNS system | connected in a distributed hierarchy which translates URLS to IP addresses -> basically finding the IP address of a website or some sort of data |
| domain name | name of the website |
| the internet | a global computer network providing a variety of info and communication facilities consisting of interconnected networks using standardized communication protocols, created from a lot of independently operated network, is a result of the cold war |
| World Wide Web | a system of linked pages, programs, and files |
| bandwidth | the maximum amount of data that can be sent in a fixed amount of time |
| cookie data | remembers who you are, like an ID |
| redundancy | the inclusion of extra components so that a system can continue to work even if individual components fail |
| IPv6 | 128 bits, 340 undecillion unique addresses |
| routing | the process of finding a path from the sender to the receiver |
| HTTP | hypertext transfer protocol, language one computer uses to ask another for the protocol, get requests |
| net neutrality | a raging legal debate about the principle that the internet service providers should enable access to all content and applications regardless of the source, and without favoring or blocking particular website and products |
| efficiency | communication lines can become backed up with traffic, choosing whichever line has the least traffic will make it more efficient |
| fault tolerant | can continue to function even int he event of individual components failures |
| computing system | a group of computing devices and programs working together for a common purpose |
| network | set of electronic devices connected together for the purpose of sharing resources |
| IP | protocol for sending data across the internet that assigns unique numbers to each connected device |
| packet metadata | data added to packets to help them route through the network and reassemble the original message |
| certificate authority | issue digital certificates that validate the ownership of encryption keys used in secure communications and based on a trust model |
| IPv4 | 32 bits, 4 billion addresses |
| TCP | protocol for sending packets that does error- checking to ensure all packets are received and properly ordered |
| HTML | hypertext markup language, used for how a website looks |
Created by:
cailynd