Question 1

The three 'v's commonly associated with big data include:

Accepted Answer

A)   viewable, volume, and variety.
B)   volume, variety, and velocity.
C)   verified, variety, and velocity.
D)   vigilant, viewable, and verified.E) All of the above
F) A) and C)

Question 2

Transaction processing and management reporting tend to fit big data databases better than relational databases.

Accepted Answer

A) True 
 B)False

Question 3

Big Data includes:

Accepted Answer

A)   large volumes of data with many different data types that are processed at very high speeds.
B)   large volumes of data entry with a single data type processed at very high speeds.
C)   large volumes of entity relationship diagrams (ER
D)   with many different data types that are processed at very high speeds.
D)   large volumes of entity relationship diagrams (ER
D)   with a single data type processed at very high speeds.E) All of the above
F) A) and C)

Question 4

The oldest form of analytics is:

Accepted Answer

A)   predictive analytics.
B)   descriptive analytics.
C)   prescriptive analytics.
D)   comparative analytics.E) B) and C)
F) A) and B)

Question 5

It is true that in an HDFS cluster the NameNode is the:

Accepted Answer

A)   large number of slaves.
B)   single master server.
C)   language library.
D)   business intelligence.E) All of the above
F) A) and B)

Question 6

Customers leave clues about their preferences when navigating a company's Web site.

Accepted Answer

A) True 
 B)False

Question 7

Neo4j is a wide-column NoSQL database management system developed by Oracle.

Accepted Answer

A) True 
 B)False

Question 8

When a data repository (including internal and external data)  does NOT follow a predefined schema, this is called a:

Accepted Answer

A)   data dump.
B)   data ocean.
C)   data lake.
D)   data stream.E) None of the above
F) C) and D)

Question 9

The schema on write and schema on read are considered synonymous approaches.

Accepted Answer

A) True 
 B)False

Question 10

________ tools commonly load data into intermediate hypercube structures.

Accepted Answer

A)   OLAP
B)   MOLAP
C)   ROLAP
D)   TLAPE) None of the above
F) B) and D)

Question 11

Structured Query Language (SQL) is a set of methodologies, processes, architectures, and technologies that transform raw data into meaningful information.

Accepted Answer

A) True 
 B)False

Question 12

OLAP, ROLAP, and TLAP are tools commonly used to load data into intermediate hypercube structures.

Accepted Answer

A) True 
 B)False

Question 13

The goal of data mining related to analyzing data for unexpected relationships is:

Accepted Answer

A)   explanatory.
B)   confirmatory.
C)   exploratory.
D)   laboratory.E) A) and C)
F) B) and D)

Question 14

At a basic level, analytics refers to:

Accepted Answer

A)   collecting data.
B)   conducting a needs analysis.
C)   analysis and interpretation of data.
D)   normalizing data.E) A) and B)
F) C) and D)

Question 15

Descriptive analytics answers the question: "What happened yesterday?"

Accepted Answer

A) True 
 B)False

Question 16

Horse, an important scripting language, helps reduce the complexity of MapReduce.

Accepted Answer

A) True 
 B)False

Question 17

HDFS allows indexing which specifically allows applications real-time access to the data.

Accepted Answer

A) True 
 B)False

Question 18

When online analytical processing (OLAP)  studies last year's sales, this represents:

Accepted Answer

A)   predictive analytics.
B)   descriptive analytics.
C)   prescriptive analytics.
D)   comparative analytics.E) A) and B)
F) A) and C)

Question 19

Describe conceptually how big data differs from traditional relational database management systems.

Accepted Answer

Not only SQL and relational database man...

Question 20

An organization using HDFS realizes that hardware failure is a(n) :

Accepted Answer

A)   norm.
B)   irregularity.
C)   anomaly.
D)   inconsistency.E) C) and D)
F) A) and D)

Exam 11: Big Data and Analytics

Describe conceptually how big data differs from traditional relational database management systems.

Correct AnswerverifiedNot only SQL and relational database man...View AnswerShow Answer

Neo4j is a wide-column NoSQL database management system developed by Oracle.

Correct AnswerverifiedShow Answer

OLAP, ROLAP, and TLAP are tools commonly used to load data into intermediate hypercube structures.

Correct AnswerverifiedShow Answer

When a data repository (including internal and external data) does NOT follow a predefined schema, this is called a:

Correct AnswerverifiedShow Answer

Descriptive analytics answers the question: "What happened yesterday?"

Correct AnswerverifiedShow Answer

The schema on write and schema on read are considered synonymous approaches.

Correct AnswerverifiedShow Answer

Customers leave clues about their preferences when navigating a company's Web site.

Correct AnswerverifiedShow Answer

HDFS allows indexing which specifically allows applications real-time access to the data.

Correct AnswerverifiedShow Answer

Horse, an important scripting language, helps reduce the complexity of MapReduce.

Correct AnswerverifiedShow Answer

Transaction processing and management reporting tend to fit big data databases better than relational databases.

Correct AnswerverifiedShow Answer

When online analytical processing (OLAP) studies last year's sales, this represents:

Correct AnswerverifiedShow Answer

________ tools commonly load data into intermediate hypercube structures.

Correct AnswerverifiedShow Answer

The three 'v's commonly associated with big data include:

Correct AnswerverifiedShow Answer

It is true that in an HDFS cluster the NameNode is the:

Correct AnswerverifiedShow Answer

The goal of data mining related to analyzing data for unexpected relationships is:

Correct AnswerverifiedShow Answer

Big Data includes:

Correct AnswerverifiedShow Answer

The oldest form of analytics is:

Correct AnswerverifiedShow Answer

Structured Query Language (SQL) is a set of methodologies, processes, architectures, and technologies that transform raw data into meaningful information.

Correct AnswerverifiedShow Answer

An organization using HDFS realizes that hardware failure is a(n) :

Correct AnswerverifiedShow Answer

At a basic level, analytics refers to:

Correct AnswerverifiedShow Answer

Correct Answer
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