U2 Internet Definitions

Question 1

A machine that can run a program, including computers, tablets, servers, routers, and smart sensors.

Answer 1

Computing Device

Question 2

A group of computing devices and protmas working together for a common purpose.

Answer 2

Computing System

Question 3

A group of interconnected computing devices capable of sending or receiving data.

Answer 3

Computing Network

Question 4

The series of connections between computing devices on a network starting with a sender and ending with a receiver.

Answer 4

Path

Question 5

The maximum amount of data that can be sent in a fixed amount of time, usually measured in bits per second.

Answer 5

Bandwidth

Question 6

An agreed-upon set of rules that specify the behavior of some system

Answer 6

Protocol

Question 7

A protocol for sending data across the Internet that assigns unique numbers (IP Addresses) to each connected device.

Answer 7

IP

Question 8

The unique number assigned to each device on the Internet

Answer 8

IP Address

Question 9

A type of computing device that forwards data across a network

Answer 9

Router

Question 10

The inclusion of extra components so that a system can continue to work even if individual components fail, for example by having more than one path between any two connected devices in a network.

Answer 10

Redundancy

Question 11

Can continue to function even in the event of individual components failures. This is important because elements of complex systems like a computer network fail at unexpected times, often in groups.

Answer 11

Fault Tolerant

Question 12

A chunk of data sent over a network. Larger messages are divided into packers that may arrive at the destination in order, out-of-order, or not at all

Answer 12

Packet

Question 13

A protocol for sending packets quickly with minimal error-checking and no resending of dropped packets

Answer 13

UDP

Question 14

A protocol for ending packets quickly with minimal error-checking and no resending of dropped packets

Answer 14

TCP

Question 15

Information passed through the internet packets.

Answer 15

Data Stream

Question 16

Data added to packets to help route them through the network and reassemble the original message.

Answer 16

Packet Metadata

Question 17

The system responsible for translation domain names like example.com into ip addresses

Answer 17

DNS

Question 18

A system of linked pages, programs, and files

Answer 18

World wide web

Question 19

A protocol for computers to request and share the pages that make up the world wide web on the internet (“Get; Post”)

Answer 19

HTTP