Course 1 - Module 4

Question 1

ARPANET

Answer 1

The earliest version of the Internet that we see today, created by the US government project DARPA in the 1960s

Question 2

Children’s online privacy protection act

Answer 2

Regulates the information we show to children under the age of 13

Question 3

Client

Answer 3

A device that receives data from a server

Question 4

Domain name

Answer 4

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

Question 5

Domain Name System

Answer 5

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

Question 6

Ethernet cable

Answer 6

Ethernet cable: It lets you physically connect to the network through a cable

Question 7

Fiber optic cable

Answer 7

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

Question 8

Globalization

Answer 8

Globalization: The movement that lets governments, businesses, and organizations communicate and integrate together on an international scale

Question 9

Hubs

Answer 9

Hubs: Devices that serve as a central location through which data travels through (it’s old tech)

Question 10

Internet

Answer 10

Internet: A worldwide system of interconnected networks

Question 11

Internet Corporation for Assigned Names and Numbers (ICANN):

Answer 11

Internet Corporation for Assigned Names and Numbers (ICANN): Where website names are registered

Question 12

Internet of things

Answer 12

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

Question 13

Internet protocol version 4

Answer 13

Internet Protocol version 4 (IPv4): An address that consists of 32 bits separated into four groups

Question 14

Internet protocol version 6

Answer 14

Internet Protocol version 6 (IPv6): An address that consist of a 128 bits, four times the amount that IPv4 uses

Question 15

Internet service provider

Answer 15

Internet service provider (ISP): A company that provides a consumer an internet connection

Question 16

IP address

Answer 16

IP address: A numerical label assigned to each device connected to a computer network that uses the Internet Protocol for communication

Question 17

MAC address

Answer 17

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

Question 18

Network

Answer 18

Network: The interconnection of computers

Question 19

Network Address Translation (NAT)

Answer 19

Network Address Translation (NAT): A mitigation tool that lets organizations use one public IP address and many private IP addresses within the network

Question 20

Networking

Answer 20

Networking: Managing, building and designing networks

Question 21

Networking protocols

Answer 21

Networking protocols: A set of rules for how we transfer data in a network

Question 22

Network stack

Answer 22

Network stack: A set of hardware or software that provides the infrastructure for a computer

Question 23

Router

Answer 23

Router: A device that knows how to forward data between independent networks

Question 24

Server logs

Answer 24

Server logs: Text files that contains recorded information about activities performed on a specific web server in a defined period of time

Question 25

Servers

Answer 25

Servers: Devices that provide data to other devices that request that data, also known as a client

Question 26

Switches

Answer 26

Switches: Devices that help our data travel

Question 27

Transmission Control Protocol

Answer 27

Transmission Control Protocol (TCP): A protocol that handles reliable delivery of information from one network to another

Question 28

URL

Answer 28

Uniform Resource Locator (URL): A web address similar to a home address

Question 29

Wannacry attack

Answer 29

WannaCry Attack: A cyber attack that started in Europe and infected hundreds of thousands of computers across the world

Question 30

Wireless networking

Answer 30

Wireless networking (Wi-Fi): Networks you connect to through radios and antennas

Question 31

World Wide Web (WWW):

Answer 31

World Wide Web (WWW): The information system that enables documents and other web resources to be accessed over the Internet