Course 1 Module 4 Flashcards

ARPANET

The earliest version of the Internet created by the US government project DARPA in the 1960s.

Children's Online Privacy Protection Act (COPPA)

Regulates the information shown to children under the age of 13.

Clients

A device that receives data from a server.

DARPA

A US government project in the 1960s that created the earliest version of the Internet.

Domain name

A website name; the part of the URL following www.

Domain Name System (DNS)

A global network service that resolves website names into IP addresses.

Ethernet cable

A cable that enables physical connection to a network.

Fiber optic cable

Cables that use pulses of light to represent data, made of tiny glass tubes.

Globalization

The movement that allows governments, businesses, and organizations to communicate internationally.

Hubs

Devices that serve as central locations for data travel.

Internet

A worldwide system of interconnected networks.

Internet Corporation for Assigned Names and Numbers (ICANN)

The organization where website names are registered.

Internet of Things (IoT)

The concept of more devices being connected to the internet in smarter ways.

Internet Protocol version 4 (IPv4)

An address consisting of 32 bits, separated into four groups.

Internet Protocol version 6 (IPv6)

An address consisting of 128 bits, four times that of IPv4.

Internet service provider (ISP)

A company that provides internet connections to consumers.

IP address

A numerical label assigned to each device connected to a computer network.

MAC address

A globally unique identifier attached to a network interface, normally a 48-bit number.

Network

The interconnection of computers.

Network Address Translation (NAT)

A tool that allows organizations to use one public IP address with many private IP addresses.

Networking

The practice of managing, building, and designing networks.

Networking protocols

A set of rules for transferring data in a network.

Network stack

A set of hardware or software providing infrastructure for a computer.

Router

A device that forwards data between independent networks.

Server logs

Text files that record activities performed on a specific web server.

Servers

Devices that provide data to other devices, known as clients.

Switches

Devices that facilitate data travel.

Transmission Control Protocol (TCP)

A protocol that ensures reliable delivery of information from one network to another.

Uniform Resource Locator (URL)

A web address similar to a home address.

WannaCry Attack

A cyber attack that infected hundreds of thousands of computers globally.

Wireless networking (Wi-Fi)

Networks that connect through radios and antennas.

World Wide Web (WWW)

The system that enables access to documents and web resources over the Internet.