Question 1

Define MapReduce.

Accepted Answer

As described by Dean and Ghemawat (2004)

Question 2

HBase,Cassandra,MongoDB,and Accumulo are examples of ________ databases.

Accepted Answer

The answer of HBase,Cassandra,MongoDB,and Accumulo are examples of ________ databases....

Question 3

Why are some portions of tape backup workloads being redirected to Hadoop clusters today?

Accepted Answer

• First,while it may appear inexpensive

Question 4

In open-source databases,the most important performance enhancement to date is the cost-based ________.

Accepted Answer

The answer of In open-source databases,the most important performance enhancement...

Question 5

The problem of forecasting economic activity or microclimates based on a variety of data beyond the usual retail data is a very recent phenomenon and has led to another buzzword - ________.

Accepted Answer

The answer of The problem of forecasting economic activity or...

Question 6

What is the Hadoop Distributed File System (HDFS)designed to handle?

Accepted Answer

A) unstructured and semistructured relational data 
B) unstructured and semistructured non-relational data 
C) structured and semistructured relational data 
D) structured and semistructured non-relational data 
A) unstructured and semistructured relational data 
B) unstructured and semistructured non-relational data 
C) structured and semistructured relational data 
D) structured and semistructured non-relational data

Question 7

Data flows can be highly inconsistent,with periodic peaks,making data loads hard to manage.What is this feature of Big Data called?

Accepted Answer

A) volatility 
B) periodicity 
C) inconsistency 
D) variability 
A) volatility 
B) periodicity 
C) inconsistency 
D) variability

Question 8

As volumes of Big Data arrive from multiple sources such as sensors,machines,social media,and clickstream interactions,the first step is to ________ all the data reliably and cost effectively.

Accepted Answer

The answer of As volumes of Big Data arrive from...

Question 9

Big Data employs ________ processing techniques and nonrelational data storage capabilities in order to process unstructured and semistructured data.

Accepted Answer

The answer of Big Data employs ________ processing techniques and...

Question 10

In the Alternative Data for Market Analysis or Forecasts case study,satellite data was NOT used for

Accepted Answer

A) evaluating retail traffic. 
B) monitoring activity at factories. 
C) tracking agricultural estimates. 
D) monitoring individual customer patterns. 
A) evaluating retail traffic. 
B) monitoring activity at factories. 
C) tracking agricultural estimates. 
D) monitoring individual customer patterns.

Question 11

Despite their potential,many current NoSQL tools lack mature management and monitoring tools.

Accepted Answer

A) True 
 B)False

Question 12

What is Big Data's relationship to the cloud?

Accepted Answer

A) Hadoop cannot be deployed effectively in the cloud just yet. 
B) Amazon and Google have working Hadoop cloud offerings. 
C) IBM's homegrown Hadoop platform is the only option. 
D) Only MapReduce works in the cloud; Hadoop does not. 
A) Hadoop cannot be deployed effectively in the cloud just yet. 
B) Amazon and Google have working Hadoop cloud offerings. 
C) IBM's homegrown Hadoop platform is the only option. 
D) Only MapReduce works in the cloud; Hadoop does not.

Question 13

Which of the following sources is likely to produce Big Data the fastest?

Accepted Answer

A) order entry clerks 
B) cashiers 
C) RFID tags 
D) online customers 
A) order entry clerks 
B) cashiers 
C) RFID tags 
D) online customers

Question 14

Social media mentions can be used to chart and predict flu outbreaks.

Accepted Answer

A) True 
 B)False

Question 15

________ of data provides business value; pulling of data from multiple subject areas and numerous applications into one repository is the raison d'être for data warehouses.

Accepted Answer

The answer of ________ of data provides business value; pulling...

Question 16

List and describe four of the most critical success factors for Big Data analytics.

Accepted Answer

• A clear business need (alignment with

Question 17

The quality and objectivity of information disseminated by influential users of Twitter is higher than that disseminated by noninfluential users.

Accepted Answer

A) True 
 B)False

Question 18

Describe data stream mining and how it is used.

Accepted Answer

Data stream mining,as an enabling techno

Question 19

In the energy industry,________ grids are one of the most impactful applications of stream analytics.

Accepted Answer

The answer of In the energy industry,________ grids are one...

Question 20

In a network analysis,what connects nodes?

Accepted Answer

A) edges 
B) metrics 
C) paths 
D) visualizations 
A) edges 
B) metrics 
C) paths 
D) visualizations

Define MapReduce.

HBase,Cassandra,MongoDB,and Accumulo are examples of ________ databases.

Why are some portions of tape backup workloads being redirected to Hadoop clusters today?

In open-source databases,the most important performance enhancement to date is the cost-based ________.

The problem of forecasting economic activity or microclimates based on a variety of data beyond the usual retail data is a very recent phenomenon and has led to another buzzword - ________.

What is the Hadoop Distributed File System (HDFS)designed to handle?

Data flows can be highly inconsistent,with periodic peaks,making data loads hard to manage.What is this feature of Big Data called?

As volumes of Big Data arrive from multiple sources such as sensors,machines,social media,and clickstream interactions,the first step is to ________ all the data reliably and cost effectively.

Big Data employs ________ processing techniques and nonrelational data storage capabilities in order to process unstructured and semistructured data.

In the Alternative Data for Market Analysis or Forecasts case study,satellite data was NOT used for

Despite their potential,many current NoSQL tools lack mature management and monitoring tools.

What is Big Data's relationship to the cloud?

Which of the following sources is likely to produce Big Data the fastest?

Social media mentions can be used to chart and predict flu outbreaks.

________ of data provides business value; pulling of data from multiple subject areas and numerous applications into one repository is the raison d'être for data warehouses.

List and describe four of the most critical success factors for Big Data analytics.

The quality and objectivity of information disseminated by influential users of Twitter is higher than that disseminated by noninfluential users.

Describe data stream mining and how it is used.

In the energy industry,________ grids are one of the most impactful applications of stream analytics.

In a network analysis,what connects nodes?

An Overview of Business Intelligence,analytics,and Data Science

Descriptive Analytics I: Nature of Data,statistical Modeling,

Descriptive Analytics II: Business Intelligence and Data Warehousing

Predictive Analytics I: Data Mining Process, methods, and Algorithms

Predictive Analytics II: Text, web, and Social Media Analytics

Prescriptive Analytics: Optimization and Simulation

Future Trends,privacy and Managerial Considerations in Analytics

Filters

Exam 7: Big Data Concepts and Tools

Define MapReduce.

HBase,Cassandra,MongoDB,and Accumulo are examples of ________ databases.

Why are some portions of tape backup workloads being redirected to Hadoop clusters today?

In open-source databases,the most important performance enhancement to date is the cost-based ________.

The problem of forecasting economic activity or microclimates based on a variety of data beyond the usual retail data is a very recent phenomenon and has led to another buzzword - ________.

What is the Hadoop Distributed File System (HDFS)designed to handle?

Data flows can be highly inconsistent,with periodic peaks,making data loads hard to manage.What is this feature of Big Data called?

As volumes of Big Data arrive from multiple sources such as sensors,machines,social media,and clickstream interactions,the first step is to ________ all the data reliably and cost effectively.

Big Data employs ________ processing techniques and nonrelational data storage capabilities in order to process unstructured and semistructured data.

In the Alternative Data for Market Analysis or Forecasts case study,satellite data was NOT used for

Despite their potential,many current NoSQL tools lack mature management and monitoring tools.

What is Big Data's relationship to the cloud?

Which of the following sources is likely to produce Big Data the fastest?

Social media mentions can be used to chart and predict flu outbreaks.

________ of data provides business value; pulling of data from multiple subject areas and numerous applications into one repository is the raison d'être for data warehouses.

List and describe four of the most critical success factors for Big Data analytics.

The quality and objectivity of information disseminated by influential users of Twitter is higher than that disseminated by noninfluential users.

Describe data stream mining and how it is used.

In the energy industry,________ grids are one of the most impactful applications of stream analytics.

In a network analysis,what connects nodes?

An Overview of Business Intelligence,analytics,and Data Science

Descriptive Analytics I: Nature of Data,statistical Modeling,

Descriptive Analytics II: Business Intelligence and Data Warehousing

Predictive Analytics I: Data Mining Process, methods, and Algorithms

Predictive Analytics II: Text, web, and Social Media Analytics

Prescriptive Analytics: Optimization and Simulation

Future Trends,privacy and Managerial Considerations in Analytics

Filters