Unit 1

Question 1

What is a bit?

Answer 1

It is a “binary digit” where it us a single unit of information

Question 2

What is bit rate?

Answer 2

The number of bits that are sent, conveyed, or processed in a certain time frame

Question 3

What is a binary question?

Answer 3

A question with only two possible answers

Question 4

What is a binary message?

Answer 4

A message that can only be one or two values

Question 5

What is bandwidth?

Answer 5

Transmission capacity, measured by bit rate

Question 6

What is latency?

Answer 6

The time it takes for one bit to travel from a sender to a receiver

Question 7

If a user clicks on a website, and it begins to load immediately, but it takes a long time to load completely and pictures appear slowly, one by one, what is it in terms of bandwidth and latency?

Answer 7

High bandwidth, low latency

Question 8

What is the preliminary sketch of the model idea for something new, and it is the original drawing from which something real might be created?

Answer 8

Prototype

Question 9

What is a novel or improved idea, device, or product, or the development thereof?

Answer 9

An innovation

Question 10

What is a protocol?

Answer 10

A set of rules governing the exchange or transmission of data between devices

Question 11

What is permutation?

Answer 11

An ordered arrangement of objects

Question 12

What is a number system?

Answer 12

A collection of symbols and the rules for ordering them

Question 13

What is code?

Answer 13

Instructions for a computer

Question 14

What is abstraction?

Answer 14

Reducing information and detail to focus on the essential characteristics. To break problems up into separate pieces and solve separately and then recombine all the parts to forma a complete solution

Question 15

What is Internet?

Answer 15

A group of computers and servers that are connected to each other

Question 16

What is a server?

Answer 16

A computer that waits for and responds to requests for data

Question 17

What is a client?

Answer 17

A computer that request data stored on a server

Question 18

What is TCP?

Answer 18

Transmission Control Protocol, which provides reliable, ordered, and error checked delivery of a stream of packets on the Internet

Question 19

What is an IP address?

Answer 19

A number assigned to any device connected to the Internet

Question 20

What are packets?

Answer 20

Small chunks of information carefully formed from larger chunks of information

Question 21

What is a router?

Answer 21

A computer that receives messages traveling across a network, and redirects them towards their intended destinations based on the addressing information include with the message

Question 22

What is URL?

Answer 22

Uniform Resource Locator, which is an easy-to-remember address for calling a webpage

Question 23

What is DNS?

Answer 23

Domain Name System, which is the internet’s system for converting alphabetic names (URL’s) into numeric IP addresses

Question 24

What is HTTP?

Answer 24

Hyper Text Transfer Protocol, which is a protocol used by the World Wide Web. It describes how messages are formatted and interchanged, and how web servers respond to commands

Question 25

What is HTML?

Answer 25

Hyper Text Markup Language, which is the language for describing structured documents as well as the language used to create web pages in the internet

Question 26

What does it mean for a system to be Fault Tolerant?

Answer 26

It enables a system fo continue to operate properly in the event of failure (or one or more faults within the system) of its components

Question 27

What is IETF?

Answer 27

Internet Engineering Task Force, which develops and promotes voluntary internet standards and protocols- in particular the standards that comprise the Internet Protocol suite TCP/IP

Question 28

What is RFC?

Answer 28

Request for Comments, are the documents that define standards and protocols, and are published on the IETF website

Question 29

What is Net Neutrality?

Answer 29

The principle that all internet traffic should be treated equally by all Internet Service Providers (ISP's)

Question 30

What is ASCII?

Answer 30

American Standard Code for Information Interchange id the universally recognized raw text format that any computer can understand

Question 31

What is Moore's Law?

Answer 31

It states that every 18 months, computers and digital technology will double in speed and capacity while the costs get cut in half

Question 32

What is Redundancy?

Answer 32

If one system goes down, the connection between other systems will not be broken

Question 33

How does a computer resolve a domain name into an IP address?

Answer 33

It asks a DNS server for the corresponding IP address

Question 34

The members of the IETF are...

Answer 34

A loosely organized collection of citizens and engineers

Question 35

TCP can never guarantee that...

Answer 35

No packets are ever dropped

Question 36

IPv6 now has 128 bit addresses instead of IPv4 that only had 32 bits. What is the main problem that IPv6 was created to solve?

Answer 36

32 bit addresses could not ensure that every internet connected device can receive a unique IP address

Question 37

HTTP and DNS rely on...

Answer 37

TCP/IP

Question 38

What best describes how protocols on the Internet (IP, TCP, HTTP) make use of abstraction to accomplish their respective purposes?

Answer 38

Low-level protocols can provide functionality to high-level protocols without revealing the details of how this is accomplished