IS1001 #2

Question 1

what is the cloud symbol used for?

Answer 1

to represent the internet in flow charts

Question 2

who described cloud computing as an approach to data storage?

Answer 2

Google CEO, Eric Schmidt

Question 3

what does NIST stand for?

Answer 3

National Institute of Standards and Technology

Question 4

what is cloud computing?

Answer 4

a model for enabling convenient. on demand network access to a shared pool of configurable computing resources that can be rapidly provisioned and released with minimal management effort or service provider interaction

Question 5

having your data and/or software stored somewhere besides your personal computer and being able to get it through is called?

Answer 5

cloud computing

Question 6

5 cloud characterisitcs?

Answer 6

• ON-demand self service
• broad network access
• Resource pooling
• rapid elasticity
• measured service

Question 7

cloud service models?

Answer 7

cloud clients
SaaS (sofware as a service)
PaaS (platform)
IaaS (infrastructure)

Question 8

SaaS

Answer 8

virtual desktop
games
communication

Question 9

IaaS

Answer 9

virtual machines
network
machines servers
storage

Question 10

PaaS

Answer 10

web server
database
development tools

Question 11

cloud clients

Answer 11

web browser, mobile app

Question 12

IaaS example?

Answer 12

amazon web services
google compute engine

Question 13

SaaS examples

Answer 13

surveymonkey
dropbox
google apps

Question 14

PaaS Examples

Answer 14

force.com
google app engine

Question 15

3 challenges of Cloud computing?

Answer 15

• security and privacy
• limited control and flexibility
• Compliance/legal

Question 16

what did Nick Szabo create?

Answer 16

bit gold

Question 17

who created bitcoin

Answer 17

satoshi Nakamoto

Question 18

what is a cryptocurency?

Answer 18

a medium of exchange using cryptography to secure transactions and to control the creation of additional units of currency

Question 19

two classifications of cryptocurrency?

Answer 19

• subset of alternative currencies
• Subset of digital currencies

Question 20

read attributes

Answer 20

• Digital
  
  • Uses cryptography to secure transactions
  • Uses cryptography to control creation of new units
  • Decentralized control
    ○ Banking and economic systems are centralized
  • Rate of creation defined and public
    ○ Supply cannot be altered by fiat
  • Semi-anonymous
    ○ More like cash than standard digital banking
    ○ Your address is still given if you have goods delivered
  • Assumes mutually distrustful parties
    Use of encryption

Question 21

examples of cryptocurrency?

Answer 21

Bitcoin
Dogecoin

Question 22

can yo purchase goods with cryptocurrencies in Russia?

Answer 22

NO

Question 23

what did the US tax authorites rule about Bitcoin?

Answer 23

That it was property rather than currency for taxation purposes

Question 24

why are we not completely digital?

Answer 24

• volatility
• switching cost
• Average users not tech savvy enough to protect assets
• network effect
• lack of regulation to ensure stability

Question 25

where is the transaction information added online is ?

Answer 25

blockchain

Question 26

how long does it take to generate a new link?

Answer 26

about 10min

Question 27

what is a bitcoin>

Answer 27

a SHA-256 hash

Question 28

where are bitcoin stored?

Answer 28

a file called wallet

Question 29

what does the wallet hold?

Answer 29

1) each address bitcoins are sent and received from 2) password/private key known only to the user

Question 30

what is mining?

Answer 30

The generation of new currency with a computationally intensive task

Question 31

what impact do cryptocurrencies have?

Answer 31

- more difficult for governments to gather data on economic activity - reduced consumer confidence in fiat currencies - affects the ability of central banks to influence the price of credit for the economy

Question 32

what are the benefits of cryptocurrencies?

Answer 32

- Avoid mismanagement by central banks handling fiat currency - 24/7 - Lower transaction costs - Community - World currency - Competition

Question 33

what are the concerns?

Answer 33

- Unregulated person to person global economy will enable anonymous criminality - High volatility of currencies - Lack of consumer protection - Environmental cost of mining is wasted energy

Question 34

Internet of Things is?

Answer 34

- Exchange data - Network connectivity - Network of physical objects of things - sofware, electronics

Question 35

where can this be applied?

Answer 35

- health care - smart cities - automotive - smart manufacturing

Question 36

when was the internet of things concept discussed?

Answer 36

1980s

Question 37

early examples of the IoT?

Answer 37

Coke machine ar CMU

Question 38

Drivers of IoT Present

Answer 38

* Ubiquitous networks * Connected computing * Ubiquitous sensors * Intelligence at the periphery of the network * Analytics as a service * Marketing automation * Supply chain analytics

Question 39

benefits of IoT?

Answer 39

* Tracking behavior for real-time marketing * Enhanced situational awareness * Sensor-driven decision analytics * Process optimization * Optimized resource consumption * Instantaneous control and response in complex autonomous systems

Question 40

Concerns of the IoT?

Answer 40

read week 8