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IT 2 Flashcards

info for test 2

1
Q

what does URL stand for

A

Uniform Resource locator

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2
Q

what does the URl indicate

A

the exact location of the resource on the web, the protocol nessecary to access it and more specific identifiers

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3
Q

what is the protocol of the URL examples and task

A

which protocol the browser must use:
http:
https:
mailto:

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4
Q

what is the protocol of the domain name examples and task

A

which host is being requested i.e. hostname
an ip address
the internet always translates URL into an IP address
“www.example.com”

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5
Q

what is the protocol of the port examples and tasks

A

identifies an applications programs connection to the internet:
80 is a well known port for internet web browsing
this can be ommited when contacting a web server if you specify protocol

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6
Q

what is the protocol of the path examples and tasks

A

indicates a speciic resource on the server:
old days was an actual path, now its just an identifier
“x/v/y/d….”

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7
Q

what is an example of a host name www,gatech.edu

A

www.

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8
Q

example of second level domain www.gatech.edu

A

gatech

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9
Q

example of top level domain www.gatech.edu

A

edu

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10
Q

example of third level domains www.scheller.gatech.edu

A

scheller

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11
Q

what is the phone book of the internet

A

domain name system DNS

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12
Q

what do humans access information online through domain names?

A

domain names

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13
Q

how do web browser interact with each other and humans

A

internet protocol adresses (IP)

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14
Q

what does DNS do translation wise

A

DNS translates domain names to IP addresses to load internet resources

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15
Q

what are the OS levels of moving data through the interent

A

Application layer, presentation layer, session layer

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16
Q

example of application layer in moving data through internet

A

web browser

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17
Q

example of Presentation layer in moving data through internet

A

type of data:

Https

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18
Q

example of session layer in moving data through internet

A

starts and ends session and also keeps them isolated

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19
Q

what are the network levels of moving data through the internet

A

transport layer, network layer, data link layer, physical layer

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20
Q

what does transport layer do in moving data through the internet

A

defines ports and reliability

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21
Q

what does network layer do in moving data through the internet

A

locical or IP addressing, determines best path for destination

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22
Q

what does data link layer do in moving data through the internet

A

switches and MAC adressing

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23
Q

what does physical layer do in moving data through the internet

A

cable, network interface cards

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24
Q

what happens when a certain layer is not working in a table

A

layers determine based on what happens on the lower layers, so bottom to top to make sure that the video can play on the internet (physical layer, data link layer, … , presentation layer, application layer)

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25
Q

What is host-to -host communication, or machine to machine

A

IP (internet protocol)

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26
Q

when source IP prgrams receives segments from source TCP prgram, how does it transport it

A

puts each segment into packets, sends packets to IP program at destination

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27
Q

destination IP program does what when it receives packets

A

unpacks segments and presents them to detination TCP program

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28
Q

What do IP asks lower level protocols to do?

A

move packets from hop to hop or router to router through the network

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29
Q

what do routers do with moving data through internet

A

special computers built to forward packets along routes toward their ultimate destination

30
Q

T or F

IP hides the details of its work from TCP

A

T

31
Q

what does IP do to hide its detail from TCP

A

gives an illusion of a direct connection between source and destination host

32
Q

what is the internet of things

A

connecting not only internet things, but sensors for many things that can convert analog input into digital format

33
Q

what are some common examples of IOT?

A

smart thermostats, connected cars, activity trackers, smart outlets, parking sensors

34
Q

when does a market exhibit market effects?

A

if the value for some participants is somehow linked to the market size (Number of participants, amount or value of transactions, or reach)

35
Q

what are the two kinds of network effects

A

same side and cross side (direct and indirect)

36
Q

Same side network effects definition and example

A

the value each participant receives goes up as the number of participants goes up, like the telephone.

37
Q

cross side network effects definition and example

A

the value each participant receives goes up as the number of participants who use the product for a different reason goes up

38
Q

what are two sided markets

A

networks that include two distinct catigories of both indirect and direct network effects

39
Q

what is a tippy market

A

when a market for a homogenous product is subject to strong feedback effects

40
Q

what kind of market is less likely to be tippy

A

heterogeneous markets because it greates oppertunities to profit in niches, ie the milk department

41
Q

what do competing in markets with network effects mean you do as a company

A
  • move early in the market
  • subsidize early adoption (simple features for free, premuim features for money)
  • expand the market
  • if a service relies on a tech, embrace the dominant tech
  • when there is enough heterogenity in demand, identify lucrative niches
  • provide backward compatibility when new generations of the product are rolled out
  • establish ecosystems, encourage the development of complimentary goods
42
Q

competing with network effects, what tools should you consider using?

A
  • location tracking

- collaboration tools (especially MS Word)

43
Q

What are the technologies enabling e-commerce

A 
affordable platforms
open standards
access to reliable internet 
ease of use (interfaces) 
electronic payment solutions
44
Q

what is a B2C company

A

for profit organization like a retail company

45
Q

What is a B2B company?

A

two or more business entities take part, supported by EDI

46
Q

what is the e-government

A

transactionsn involving legislative and administrative institutions

47
Q

what is the bricks and mortar operational structure

A

traaditional organizations that have physical operations and locations

48
Q

what is bricks and clicks operational structure

A

selling things off of online

49
Q

what is business intelligence

A

ability to gather and make sense of information in the context of a business (ie set of techniques, processes, and technologies)

50
Q

What is the purpose of business intelligence

A

gain superior insight and understanding of the business and its ecosystem, to understand the past and present and predict the future and make better decisions

51
Q

what are the componenets of business intelligence

A

storage (data warehouse / data marts)
data mining tools (for business analytics)
Reporting and visual tools (eg dashboards)

52
Q

what is data mining

A

the computational process of discovering patterns in large data sets involving methods at the intersection of artificial intelligence, machine learning, statistics, and database systems

53
Q

what is customer segmentation

A

who are the most valuable customers to a firm

54
Q

what is marketing and promotion targeting

A

identifying which customers will respond to each offer

55
Q

what is market basket analysis

A

which products customers buy together and how an organization can use this information to cross-sell more

56
Q

what is collaborative filtering

A

personalizing an individual customer’s experience based on the trends and preferences exhibited by similar customers

57
Q

what is customer churn

A

which customers are more likely to leave and which retention strategies are most likely to succeed

58
Q

what is fraud detection

A

uncover patterns consistent with criminal activity

59
Q

what is financial modeling

A

building trading systems that adapt to historical trends or risk models to identify customers with the highest likelihood to default on a credit

60
Q

what is association rule mining?

A

a chart to find a list of transactions, and to see if there is any correlations with the items

61
Q

what is the formula for all possible item sets

A

for n number its (2^n)-1

62
Q

what are the three types of association rules to evaluate

A

support, confidence, and lift

63
Q

what is support association rule evaltuation

A

“How often do these items occur or occur together”

if the support is not high enough, they will not be statistically significant

64
Q

what is cloud computing

A

on demand network access to a shared pool of configurable computing resources

65
Q

what are the 4 main characteristics of cloud computing?

A

resource pooling, location independence, on demand self service, and rapid elasticity

66
Q

what are the 2 types of resource pooling

A

multitendency model (multiple users sharing one resource, and virtualization, allowing resources on one computer to be split into multiple virtual minicomputers inside which applications that can be run seperately

67
Q

what is on demand self service

A

a consuer can unilateraly provision computing capabilities as needed automatically

68
Q

what is rapid elasticity?

A

resources that can be rapidly and elastically provisioned to quickly scale up when needed and it rapidly released

69
Q

what is measured metered service in terms of characteristics of cloud computing

A

resource usage can be monitored, measured, controlled, and optimized, and reported for transparency for both the provider and consumer of the utilized service

70
Q

what are the three service models of cloud computing?

A

SaaS, PaaS, and IaaS

IT (3 decks)

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