Course 1 - Module 4 Flashcards
ARPANET
The earliest version of the Internet that we see today, created by the US government project DARPA in the 1960s
Children’s online privacy protection act
Regulates the information we show to children under the age of 13
Client
A device that receives data from a server
Domain name
A website name; the part of the URL following www.
Domain Name System
Domain Name System (DNS): A global and highly distributed network service that resolves strings of letters, such as a website name, into an IP address
Ethernet cable
Ethernet cable: It lets you physically connect to the network through a cable
Fiber optic cable
Fiber optic cable: Fiber optic cables contain individual optical fibers which are tiny tubes made of glass about the width of a human hair. Unlike copper, which uses electrical voltages, fiber cables use pulses of light to represent the ones and zeros of the underlying data
Globalization
Globalization: The movement that lets governments, businesses, and organizations communicate and integrate together on an international scale
Hubs
Hubs: Devices that serve as a central location through which data travels through (it’s old tech)
Internet
Internet: A worldwide system of interconnected networks
Internet Corporation for Assigned Names and Numbers (ICANN):
Internet Corporation for Assigned Names and Numbers (ICANN): Where website names are registered
Internet of things
Internet of Things (IoT): The concept that more and more devices are connected to the internet in a smarter fashion such as smart thermostats that turn off the air conditioner when you leave and turn it on when you come back
Internet protocol version 4
Internet Protocol version 4 (IPv4): An address that consists of 32 bits separated into four groups
Internet protocol version 6
Internet Protocol version 6 (IPv6): An address that consist of a 128 bits, four times the amount that IPv4 uses
Internet service provider
Internet service provider (ISP): A company that provides a consumer an internet connection
IP address
IP address: A numerical label assigned to each device connected to a computer network that uses the Internet Protocol for communication
MAC address
MAC address: A globally unique identifier attached to an individual network interface. It’s a 48-bit number normally represented by six groupings of two hexadecimal numbers
Network
Network: The interconnection of computers
Network Address Translation (NAT)
Network Address Translation (NAT): A mitigation tool that lets organizations use one public IP address and many private IP addresses within the network
Networking
Networking: Managing, building and designing networks
Networking protocols
Networking protocols: A set of rules for how we transfer data in a network
Network stack
Network stack: A set of hardware or software that provides the infrastructure for a computer
Router
Router: A device that knows how to forward data between independent networks
Server logs
Server logs: Text files that contains recorded information about activities performed on a specific web server in a defined period of time
Servers
Servers: Devices that provide data to other devices that request that data, also known as a client
Switches
Switches: Devices that help our data travel
Transmission Control Protocol
Transmission Control Protocol (TCP): A protocol that handles reliable delivery of information from one network to another
URL
Uniform Resource Locator (URL): A web address similar to a home address
Wannacry attack
WannaCry Attack: A cyber attack that started in Europe and infected hundreds of thousands of computers across the world
Wireless networking
Wireless networking (Wi-Fi): Networks you connect to through radios and antennas
World Wide Web (WWW):
World Wide Web (WWW): The information system that enables documents and other web resources to be accessed over the Internet
