Test fundamentos Big Data

Descrição

test rápido y para repaso
Carolina Colorado
Quiz por Carolina Colorado, atualizado more than 1 year ago
Carolina Colorado
Criado por Carolina Colorado mais de 7 anos atrás
56
0

Resumo de Recurso

Questão 1

Questão
Big Data dedicated to
Responda
  • Enterprise Apps
  • analysis

Questão 2

Questão
Requeriments of big data
Responda
  • Procesing unstructured data
  • Procesing only unstructured data

Questão 3

Questão
Bit data addresses
Responda
  • combine multiple unreleated datasets
  • Another DW to enrich data

Questão 4

Questão
BD type of data
Responda
  • machine generate
  • Only human generate
  • hidden data

Questão 5

Questão
Benefits Big Data
Responda
  • Enterprise app
  • fault and fraud detection
  • slow procesing

Questão 6

Questão
characteristics of data in big data
Responda
  • complex, variety, volumen, veracity, value
  • variety, volumen, velocity, veracity, value
  • incompatibilities, value,velocity,volumen, veracity, many data

Questão 7

Questão
characteristics only of data in BigData
Responda
  • value, variety, veracity
  • velocity, volumen, value
  • velocity, variety, volumen

Questão 8

Questão
veracity
Responda
  • structured data, unstructured data
  • signal, noise
  • social network

Questão 9

Questão
Human-generated data examples
Responda
  • micro bloggin
  • web log
  • sensor data

Questão 10

Questão
value
Responda
  • more value more veracity, more value more time
  • more value less veracity, more value less time
  • more value more veracity, more value less time

Questão 11

Questão
benefits
Responda
  • operational optimization, noise information
  • scientific discoveries, actionable intelligence
  • accurate predictions, shipped cloud computing

Questão 12

Questão
Dataset
Responda
  • collections or groups of related data, shares the different set of attributes
  • collections or groups of related data, shares the same set of attributes
  • discipline of gaining an understanding of data

Questão 13

Questão
Data Analysis
Responda
  • discipline of gaining an understanding of data
  • process of examining data to find facts, relationships, patterns
  • collections or groups of related data, shares the same set of attributes

Questão 14

Questão
analytics
Responda
  • process of gaining an understanding of data
  • discipline of gaining an undestanding of data by analizing it via multitude techniques
  • collections or groups of related data

Questão 15

Questão
in business-oriented, analytics
Responda
  • results can lower operational costs and facilitate strategic decison-making
  • help identify the cause of a phenomenon to improve the accuracyof predictions
  • help strengthen the focus on delivering high quality services by driving down costs

Questão 16

Questão
in the scientific domain, analytics
Responda
  • help strengthen the focus on delivering high quality services by driving down costs
  • results can lower operational costs and facilitate strategic decison-making
  • help identify the cause of a phenomenon to improve the accuracyof predictions

Questão 17

Questão
in services-based enviroments, analytics
Responda
  • results can lower operational costs and facilitate strategic decison-making
  • help strengthen the focus on delivering high quality services by driving down costs
  • help identify the cause of a phenomenon to improve the accuracyof predictions

Questão 18

Questão
Business intelligent
Responda
  • process of gaining an understanding of data
  • process of gaining insigths into the the workings of an enterprise
  • discipline of gaining an undestanding of data by analizing it via multitude techniques

Questão 19

Questão
KPI (Key performance indicators)
Responda
  • utilize the consolidated data contained in data warehouses to run analytical queries
  • is a measure for gauging success within a particular context
  • discipline of gaining an undestanding of data by analizing it via multitude techniques

Questão 20

Questão
KPI used to
Responda
  • achieve regulatory compliance
  • help identify the cause of a phenomenon to improve the accuracyof predictions
  • help strengthen the focus on delivering high quality services by driving down costs

Questão 21

Questão
measure in Big data
Responda
  • kilometer, megabyte, gigabyte, terabyte, petabyte, exabyte, settabytte, yottabyte
  • kilobyte, megabyte, gigabyte, terabyte, petabyte, exabyte, settabytte, yottabyte
  • kilobyte, megabyte, gigabyte, terabyte, petabyte, exabyte, settabytte, youtube

Questão 22

Questão
big data emerged from a combination of business needs and technology innovations
Responda
  • true
  • false

Questão 23

Questão
analitcs & data science
Responda
  • For many business, digital mediums have replaced physical mediums as the de facto
  • Based in opens sorce software tha requires little more than commodity hardware
  • machine learning algoritms, statistical techniques and data warehousing

Questão 24

Questão
digitalization
Responda
  • Lead to an opportunity to collect further secondary data
  • Collecting and storing more data to potentially find new insigths and gain a competitive edge
  • collecting and processing large quantities of diverse data has become increasingly affordable

Questão 25

Questão
affordable technology & commodity hardware
Responda
  • the madurity of these fields of practice inspired and enabled much of the core functionality
  • use of commodity hardware makes the adoption of Big Data solutions accessible to business
  • some examples include on-demand TV and streaming video

Questão 26

Questão
social media
Responda
  • Has empowered customers to provide feedback in near-realtime via open and public mediums
  • Has resulted in massive data streams
  • are capable of providing highly scalable, on-demand IT resources that can be leased

Questão 27

Questão
hyper-connected communities & devices
Responda
  • A an result, business are storing increasing amounts of data on customer interaction
  • leverage the infrastructure, storage and processing capabilities provided by this enviroments
  • the broadening coverage of internet and the proliferation of cellar and WI-FI networks .

Questão 28

Questão
cloud computing
Responda
  • Businesses are also increasingly interested in incorporating publicly available datasets
  • Is either directly through online interaction or indirectly through the usage of connected devices
  • Can be leased dramatically reduces the required up-front investment of Big Data projects

Questão 29

Questão
Online Transaction Processing (OLTP)
Responda
  • software system that processes transaction-oriented data
  • Is a system used for processing data analysis queries
  • process of loading data from a source system into a target system

Questão 30

Questão
batch-processed
Responda
  • OLTP
  • OLAP

Questão 31

Questão
data fully normalized
Responda
  • OLTP
  • OLAP

Questão 32

Questão
C R U D with subsecond response times
Responda
  • OLTP
  • OLAP

Questão 33

Questão
Online Analytical Processing (OLAP)
Responda
  • software system that processes transaction-oriented data
  • Store operational data that is fully normalized
  • Is a system used for processing data analysis queries

Questão 34

Questão
data mining and machine learning processes
Responda
  • OLTP
  • OLAP

Questão 35

Questão
OLAP
Responda
  • Representing a common source of structured analytics input
  • Can serve as both a data source as well as a data sink that capable of receiving data
  • Big data analysis results can also be fed back

Questão 36

Questão
OLAP
Responda
  • Representing a common source of structured analytics input
  • are used in diagnostic, predictive and prescriptive analytics
  • An example ticket reservation systems and banking and POS transactions

Questão 37

Questão
data that is aggregated and denormalized
Responda
  • OLAP
  • OLTP

Questão 38

Questão
OLAP use databases
Responda
  • that store historical data in multidimensional arrays and can answer complex queries
  • are comprised of simple insert, delete and update operations
  • that processes transaction-oriented data

Questão 39

Questão
An OLAP system is always
Responda
  • fed with data from multiple OLTP system using regular batch processing jobs
  • data is fully normalized
  • comprised of simple C R U D

Questão 40

Questão
OLAP: denormalized data in the form of cubes
Responda
  • FALSE
  • TRUE

Questão 41

Questão
Extract-transform-load (ETL)
Responda
  • allows the data to be queried during any data analysis tasks that are performes later
  • Is a process of loading data from a source system into a target system
  • queries can take several minutes or even longer, depending on the complexity of query.

Questão 42

Questão
Extract-transform-load (ETL) source
Responda
  • database, flat file or an application
  • on-demand TV and streaming video
  • digitalization and social media

Questão 43

Questão
ETL
Responda
  • Represents the main operation through wich data warehouses are fed data
  • Represents the main operation through wich datasets are fed data
  • Represents de main operation through wich database are fed data

Questão 44

Questão
ETL
Responda
  • Extract load transform
  • Extract transform load
  • Extract transform leave

Questão 45

Questão
ETL type data
Responda
  • Unstructure data, structure data and semi structura data
  • Only structure data and semi structura data
  • Only Unstructure data

Questão 46

Questão
Data Warehouses EDWH has historical data?
Responda
  • FALSE
  • TRUE

Questão 47

Questão
Data Warehouses EDWH
Responda
  • is a subset of the data, that typically belongs to a deparment
  • is a framework open source
  • usually interface with an OLAP sYstem to support analytical queries

Questão 48

Questão
EDWH
Responda
  • this allows the data to be queried during any data analysis
  • Heavily used by BI to run various analytical queries
  • software system that processes transaction-orientes data

Questão 49

Questão
EDWH sources
Responda
  • social media, facebook twitter
  • OLTP, ERP, CRM and SCM systems
  • OLAP, ERP, CRM and SCM systems

Questão 50

Questão
EDWH
Responda
  • For the amount data contained will continue to increase. The anlysis BI can suffer.
  • Is a process of loading data from a source system into a target system
  • software system that processes transaction-orientes data

Questão 51

Questão
EDWH
Responda
  • Has established itself as a de facto industry platform for contemporary Big Data solutions
  • usually contain optimized databases, called analytical databases to handle reporting and data analysis
  • Represents de main operation through wich database are fed data

Questão 52

Questão
EDWH: analytical database can´t exist as separate DBMS
Responda
  • TRUE
  • FALSE

Questão 53

Questão
Data mart
Responda
  • is a subset of the data, that typically belongs to a deparment
  • can have multiple EDWH
  • based on cleansed data, which is a prerequisite for accurate and error-free reports

Questão 54

Questão
hadoop is open source framework for
Responda
  • large data storage
  • data processing
  • diagnostic, predictive and prescriptive
  • run on commodity hardware
  • denormalized data in the form of cubes

Questão 55

Questão
hadoop
Responda
  • has established itself as a de facto industry platform for contemporary Big Data solutions
  • is a central, enterprise-wide repository
  • is always fed with data from multiple OLTP system using regular batch processing jobs

Questão 56

Questão
hadoop can be used as engine of
Responda
  • ETL
  • analytics
  • OLTP
  • EDWH

Questão 57

Questão
hadoop can process large amounts of structured, semi-structured and unstructured data
Responda
  • false
  • true

Questão 58

Questão
volumen refers to
Responda
  • insert data
  • process data
  • velocity processing

Questão 59

Questão
Data volumes can include
Responda
  • Online transaction
  • sensor data
  • batch
  • social media
  • OLAP
  • scientific and research data

Questão 60

Questão
velocity
Responda
  • multiple types of data that need to be supported by Big Data solutions
  • data translates into the amount of time it takes for the data to be processed
  • data is processed by Big Data solutions is substantial and usually ever growing

Questão 61

Questão
Depending on the data source, velocity may not always be high
Responda
  • false
  • true

Questão 62

Questão
variety
Responda
  • Quality or fidelity of data
  • usefulness of data for an enterprise
  • refers to the multiple formats and types of data that need to be supported by Big Data Solutions

Questão 63

Questão
veracity
Responda
  • The appropriate form of data storage
  • Refers to the quality or fidelity of data
  • Refers ti the usefulness of data for an enterprise

Questão 64

Questão
Noise and SIgnal refers to
Responda
  • volumen
  • value
  • veracityx

Questão 65

Questão
value
Responda
  • refers to quality or fidelity of data
  • refers to the multiple formats and types of data that need to be supported
  • refers to usefulness of data for an enterprise

Questão 66

Questão
the value is directly related to the veracity in that de higher the data fidelity, the more value it holds for the business.
Responda
  • true
  • false

Questão 67

Questão
type of data
Responda
  • structured data, unstructured data, semi-structured data
  • structured data, unstructured data, semi-structured data, metadata

Questão 68

Questão
ERP and CRM are example of
Responda
  • unstructured data
  • structured data
  • semi-structured data

Questão 69

Questão
image, audio and video files are examples of
Responda
  • semi-structured data
  • unstructured data
  • strutured data

Questão 70

Questão
Unstructured data generally makes up 80%
Responda
  • true
  • false

Questão 71

Questão
unstructured data does generally require special or customized logic when it comes to pre-processing and storage
Responda
  • true
  • false

Questão 72

Questão
semi-structured data
Responda
  • has a defined level of structured and consistency can be relational in nature
  • has a defined level of structured and consistenc, but cannot be relational in nature
  • cannot be inheremtly processed or queried using SQL or traditional programming features

Questão 73

Questão
semi_structured data
Responda
  • CRM or ERP
  • XML or , electronic data interchanges, e-mails, spreaddheets, RSS feeds and senso data
  • image or adio files

Questão 74

Questão
metadata
Responda
  • provides information about the analysis
  • provides information about a datasets characteristics and structure

Questão 75

Questão
metadata generally machine generated and utomatically appended to the data
Responda
  • true
  • false

Questão 76

Questão
metadata xml tag
Responda
  • provided the author and creation date of a document, file size and resolution of a digital photograph
  • audio binary file
  • videobinary file

Questão 77

Questão
semi-structured data and unstructured data have a greater noise-to-signal ratio than structured data
Responda
  • true
  • false

Questão 78

Questão
can ETL can cleansing data and verification
Responda
  • false
  • true

Questão 79

Questão
data analysis
Responda
  • quantitative analysis
  • cientics analysis
  • qualitative analysis
  • data mining

Questão 80

Questão
quantitative analysis
Responda
  • quantifying analysis the patterns and correlations found in the data
  • phenomrnon in the data
  • outlayer

Questão 81

Questão
qualitative analysis use
Responda
  • numbers
  • words
  • graphical

Questão 82

Questão
involve analyzing a smaller sample in greater depth
Responda
  • quantitave analysis
  • qualitative analysis

Questão 83

Questão
analysis that targets large datasets
Responda
  • quantitative analysis
  • data mining
  • qualitative analysis

Questão 84

Questão
data mining (data discovery)
Responda
  • descriptions
  • patterns and correlations
  • identify patterns and trends

Questão 85

Questão
data mining forms the basis for predictive analytics and business intelligence (BI)
Responda
  • false
  • true

Questão 86

Questão
analysis tools can automate data analyses
Responda
  • false
  • true

Questão 87

Questão
descriptive , diagnostic , predictive , prescriptive
Responda
  • types of analytics
  • types of analisys
  • diagnostic

Questão 88

Questão
questions about events that have already occurred
Responda
  • diagnostic analytics
  • descriptive analytics
  • predictive analytics

Questão 89

Questão
reporting or dahsboards. The reports are generally static, queries are executed in OLTP such CRM and ERP
Responda
  • descriptive analytis
  • diagnostic analytics
  • preescriptive analytics

Questão 90

Questão
determine the causes of a phenomenon that occurred in the past
Responda
  • descriptive analytics
  • diagnostic analytics
  • predictive analytics

Questão 91

Questão
interactive visualization to identify trends and patterns, and queries are executed in OLAP systems
Responda
  • descriptive analytics
  • diagnostic analytics
  • preescriptive analytics

Questão 92

Questão
attemp to determine the outcome of an event that might occur in the future
Responda
  • preescriptive analytics
  • predictive analytics
  • descriptive analytics

Questão 93

Questão
The focus is on which prescribed option to follow and why and when it should be followed, to gain and advantage or mitigate risk
Responda
  • descriptive analytics
  • prescriptive analytics
  • predictive analytics

Questão 94

Questão
incorporate internal data (historical etc..) and external data (social media, demographic data)
Responda
  • descriptive analytics
  • prescriptive analytics
  • diagnostic analytics

Questão 95

Questão
machine learning
Responda
  • is the process of teaching computers to learn from existing data and apply the acquired knowledge to formulate predictions about unknow data.
  • is the discipline of teaching computers to learn from existing data and apply the acquired knowledge to formulate predictions about unknow data.
  • is the framework refers to teaching computers to learn from existing data and apply the acquired knowledge to formulate predictions about unknow data.

Questão 96

Questão
based on the input data and categorys
Responda
  • supervised learning
  • unsupervised learning

Questão 97

Questão
the algorithm attemp to categorized data by grouping data with similara attributes together
Responda
  • supervised learning
  • unsupervised learning

Questão 98

Questão
machine learning makes predictions and identify hidden patterns
Responda
  • false
  • true

Questão 99

Questão
machine learning can use the output from data mining for further data classification.
Responda
  • true
  • false

Questão 100

Questão
traditional BI utilizes
Responda
  • descriptive and diagnostic
  • diagnostic and predictive
  • descriptive an prescriptive

Questão 101

Questão
ad-hoc reports and dashboards
Responda
  • tradictional Big Data
  • traditional BI

Questão 102

Questão
ad hoc reporting
Responda
  • the focus is a usually on a specific area of the bussines
  • the focus is view of key bussines areas in real time or near to real time

Questão 103

Questão
big data
Responda
  • facilitate the development of an enterprise-wide understanding of the way a bussines works
  • focus on indivicual bussines processes
  • descriptive and diagnostic to facilitate the development of an an enterprise-wide understanding of the way a bussines works

Questão 104

Questão
data visualization analytical results are graphically communicated using elements like
Responda
  • charts, maps, data grids, infographics and alerts
  • ad-hoc reports drill, down
  • dashboards

Questão 105

Questão
data visualization tool in Big Data use
Responda
  • in-disk analytical tchnologies
  • in-memory analytical technologies

Questão 106

Questão
aggregation
Responda
  • groups data across multiple categories to show subtotals and totals
  • global an sumarized view of data across multiple context
  • enables a detail view of the data of interest by focusing in on a data subset

Questão 107

Questão
visualization features: drill down
Responda
  • enables a detail view of the data of interest by focusing in on a data subset
  • global an sumarized view of data across multiple context
  • groups data across multiple categories to show subtotals and totals

Questão 108

Questão
visualization features: roll up
Responda
  • global an sumarized view of data across multiple context
  • groups data across multiple categories to show subtotals and totals
  • enables a detail view of the data of interest by focusing in on a data subset

Questão 109

Questão
data visualization tools for Big data solutions incorporate
Responda
  • diagnostic and descriptive
  • predictive a descriptive
  • predictive and prescriptive

Questão 110

Questão
in the advance visualizations you needs an ETL
Responda
  • true
  • false

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