Question 1

______ is keeping the same number of systems, but migrating each system to a larger system.

Accepted Answer

A)  Clustering 
B)  Scaling up 
C)  Streaming 
D)  Scaling out 
A)  Clustering 
B)  Scaling up 
C)  Streaming 
D)  Scaling out

Question 2

​​​Under the HDFS system, using a write-one, ready-many model simplifies concurrency issues.

Accepted Answer

A) True 
 B)False

Question 3

______ is used to extract knowledge from sources of data-NoSQL databases, Hadoop data stores, and data warehouses-to provide decision support to all organizational users.

Accepted Answer

The answer of ______ is used to extract knowledge from...

Question 4

Graph theory is a mathematical and computer science field that models relationships, or edges, between objects called ______.

Accepted Answer

A)  maps 
B)  scales 
C)  buckets 
D)  nodes 
A)  maps 
B)  scales 
C)  buckets 
D)  nodes

Question 5

______databases simply store data with no attempt to understand the contents of the value component or its meaning.

Accepted Answer

The answer of ______databases simply store data with no attempt...

Question 6

Define the four key assumptions of the Hadoop Distributed File System (HDFS).

Accepted Answer

High volume: The volume of data in Big D

Question 7

A reduce function takes a collection of key-value pairs with the same key value and summarizes them into a single result.

Accepted Answer

A) True 
 B)False

Question 8

Key-value and document databases are structurally similar.

Accepted Answer

A) True 
 B)False

Question 9

​A(n) ______ is a process or set of operations in a calculation.

Accepted Answer

A)  ​algorithm 
B)  ​feedback loop 
C)  ​stream 
D)  ​structure 
A)  ​algorithm 
B)  ​feedback loop 
C)  ​stream 
D)  ​structure

Question 10

​When using MapReduce, a _______ function takes a collection and data and sorts and filters it into a set of key-value pairs.

Accepted Answer

A)  ​reduce 
B)  ​map 
C)  ​data 
D)  ​block 
A)  ​reduce 
B)  ​map 
C)  ​data 
D)  ​block

Question 11

When using MapReduce,best practices suggest that the number of mappers on a given node should be ______.

Accepted Answer

A)  50 or less 
B)  over 100 but less than 300 
C)  100 or less 
D)  at least 300 
A)  50 or less 
B)  over 100 but less than 300 
C)  100 or less 
D)  at least 300

Question 12

_____ are like attributes; they are the data that we need to store about the node.

Accepted Answer

The answer of _____ are like attributes; they are the...

Question 13

Hive is a good choice for jobs that require a small subset of data to be returned very quickly.​

Accepted Answer

A) True 
 B)False

Question 14

______ ​refers to traditional, relational database technologies that use column-centric, not row-centric storage.

Accepted Answer

Column-ori

Question 15

When using a HDFS, a heartbeat is sent every ______ to notify the name node that the data mode is still available.

Accepted Answer

A)  3 hours 
B)  3 seconds 
C)  6 hours 
D)  6 seconds 
A)  3 hours 
B)  3 seconds 
C)  6 hours 
D)  6 seconds

Question 16

Discuss the 3 Vs of Big Data. How has the definition of Big Data regarding these items changed over time?

Accepted Answer

The three V's are Volume, Velocity and V

Question 17

Modeling and storing data about relationships is the focus of ______ databases.

Accepted Answer

A)  key-value 
B)  column-oriented 
C)  document d 
D)  graph 
A)  key-value 
B)  column-oriented 
C)  document d 
D)  graph

Question 18

​______ isthe coexistence of a variety of data storage and data management technologies within an organization's infrastructure.

Accepted Answer

​Polyglot

Question 19

Which of the following is NOT one of the standard NoSQL categories?

Accepted Answer

A)  Document databases 
B)  Column-oriented databases 
C)  Graph databases 
D)  Chart databases 
A)  Document databases 
B)  Column-oriented databases 
C)  Graph databases 
D)  Chart databases

Question 20

Which of the following is NOT a key assumption of the Hadoop Distributed File System?

Accepted Answer

A)  High volume 
B)  Write many,read-once 
C)  Streaming access 
D)  Fault-tolerance 
A)  High volume 
B)  Write many,read-once 
C)  Streaming access 
D)  Fault-tolerance

______ is keeping the same number of systems, but migrating each system to a larger system.

Under the HDFS system, using a write-one, ready-many model simplifies concurrency issues.

______ is used to extract knowledge from sources of data-NoSQL databases, Hadoop data stores, and data warehouses-to provide decision support to all organizational users.

Graph theory is a mathematical and computer science field that models relationships, or edges, between objects called ______.

______databases simply store data with no attempt to understand the contents of the value component or its meaning.

Define the four key assumptions of the Hadoop Distributed File System (HDFS).

A reduce function takes a collection of key-value pairs with the same key value and summarizes them into a single result.

Key-value and document databases are structurally similar.

A(n) ______ is a process or set of operations in a calculation.

When using MapReduce, a _______ function takes a collection and data and sorts and filters it into a set of key-value pairs.

When using MapReduce,best practices suggest that the number of mappers on a given node should be ______.

_____ are like attributes; they are the data that we need to store about the node.

Hive is a good choice for jobs that require a small subset of data to be returned very quickly.

______ refers to traditional, relational database technologies that use column-centric, not row-centric storage.

When using a HDFS, a heartbeat is sent every ______ to notify the name node that the data mode is still available.

Discuss the 3 Vs of Big Data. How has the definition of Big Data regarding these items changed over time?

Modeling and storing data about relationships is the focus of ______ databases.

______ isthe coexistence of a variety of data storage and data management technologies within an organization's infrastructure.

Which of the following is NOT one of the standard NoSQL categories?

Which of the following is NOT a key assumption of the Hadoop Distributed File System?

Database Systems

Data Models

The Relational Database Model

Entity Relationship Er Modeling

Advanced Data Modeling

Normalization of Database Tables

Introduction to Structured Query Language Sql

Advanced Sql

Database Design

Transaction Management and Concurrency Control

Database Performance Tuning and Query Optimization

Distributed Database Management Systems

Business Intelligence and Data Warehouses

Database Connectivity and Web Technologies

Database Administration and Security

Filters

Exam 14: Big Data and Nosql

______ is keeping the same number of systems, but migrating each system to a larger system.

​​​Under the HDFS system, using a write-one, ready-many model simplifies concurrency issues.

______ is used to extract knowledge from sources of data-NoSQL databases, Hadoop data stores, and data warehouses-to provide decision support to all organizational users.

Graph theory is a mathematical and computer science field that models relationships, or edges, between objects called ______.

______databases simply store data with no attempt to understand the contents of the value component or its meaning.

Define the four key assumptions of the Hadoop Distributed File System (HDFS).

A reduce function takes a collection of key-value pairs with the same key value and summarizes them into a single result.

Key-value and document databases are structurally similar.

​A(n) ______ is a process or set of operations in a calculation.

​When using MapReduce, a _______ function takes a collection and data and sorts and filters it into a set of key-value pairs.

When using MapReduce,best practices suggest that the number of mappers on a given node should be ______.

_____ are like attributes; they are the data that we need to store about the node.

Hive is a good choice for jobs that require a small subset of data to be returned very quickly.​

______ ​refers to traditional, relational database technologies that use column-centric, not row-centric storage.

When using a HDFS, a heartbeat is sent every ______ to notify the name node that the data mode is still available.

Discuss the 3 Vs of Big Data. How has the definition of Big Data regarding these items changed over time?

Modeling and storing data about relationships is the focus of ______ databases.

​______ isthe coexistence of a variety of data storage and data management technologies within an organization's infrastructure.

Which of the following is NOT one of the standard NoSQL categories?

Which of the following is NOT a key assumption of the Hadoop Distributed File System?

Database Systems

Data Models

The Relational Database Model

Entity Relationship Er Modeling

Advanced Data Modeling

Normalization of Database Tables

Introduction to Structured Query Language Sql

Advanced Sql

Database Design

Transaction Management and Concurrency Control

Database Performance Tuning and Query Optimization

Distributed Database Management Systems

Business Intelligence and Data Warehouses

Database Connectivity and Web Technologies

Database Administration and Security

Filters

Under the HDFS system, using a write-one, ready-many model simplifies concurrency issues.

A(n) ______ is a process or set of operations in a calculation.

When using MapReduce, a _______ function takes a collection and data and sorts and filters it into a set of key-value pairs.

Hive is a good choice for jobs that require a small subset of data to be returned very quickly.

______ refers to traditional, relational database technologies that use column-centric, not row-centric storage.

______ isthe coexistence of a variety of data storage and data management technologies within an organization's infrastructure.