Deck 10: Big Data Technologies

Question 1

Data in MongoDB is represented in:

A) JSON.
B) BSON.
C) CSON.
D) SON.

Answer 1

B

Question 2

Apache Cassandra is a leading producer of ________ NoSQL database management systems.

A) key-value store
B) wide-column
C) relational
D) graph

Answer 2

B

Question 3

Big data:

A) requires a normalized dataset to 3^rd Normal Form.
B) does not require a strictly defined data model.
C) requires a strictly defined schema.
D) requires a normalized dataset to BCNF.

Answer 3

B

Question 4

MongoDB databases are composed of:

A) collections.
B) tables.
C) rowsets.
D) columns.

Question 5

An organization that requires a sole focus on performance with the ability for keys to include strings, hashes, lists, and sorted sets would select ________ database management system.

A) Access
B) Excel Spreadsheet
C) Neo4j
D) Redis

Question 6

Big data includes:

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 (ERD) with many different data types that are processed at very high speeds.
D) large volumes of entity relationship diagrams (ERD) with a single data type processed at very high speeds.

Question 7

At a basic level, analytics refers to:

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

Question 8

The NoSQL model that incorporates 'column families' is called a:

A) key-value store.
B) document store.
C) wide-column store.
D) column-SQL database.

Question 9

________ generally processes the largest quantities of data.

A) Operational databases
B) Transaction processing
C) Big data
D) Data marts

Question 10

NoSQL systems allow ________ by incorporating commodity servers that can be easily added to the architectural solution.

A) scaling down
B) scaling out
C) scaling up
D) scaling over

Question 11

An organization that decides to adopt the most popular NoSQL database management system would select:

A) Access.
B) MongoDB.
C) Neo4j.
D) Redis.

Question 12

The NoSQL model that is specifically designed to maintain information regarding the relationships (often real-world instances of entities) between data items is called a:

A) key-value store.
B) document store.
C) wide-column store.
D) graph-oriented database.

Question 13

An organization that requires a graph database that is highly scalable would select the ________ database management system.

A) Access
B) Excel Spreadsheet
C) Neo4j
D) Redis

Question 14

NoSQL focuses on:

A) avoidance of replication of data.
B) minimizing storage space.
C) normalized data.
D) flexibility.

Question 15

According to your text, NoSQL stands for:

A) Numbered SQL.
B) No SQL.
C) Not Only SQL.
D) Numeric Only SQL.

Question 16

________ is the most popular key-value store NoSQL database management system.

A) Access
B) Apache Cassandra
C) Neo4j
D) Redis

Question 17

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

A) viewable, volume, and variety.
B) volume, variety, and velocity.
C) verified, variety, and velocity.
D) vigilant, viewable, and verified.

Question 18

The NoSQL model that includes a simple pair of a key and an associated collection of values is called a:

A) key-value store.
B) document store.
C) wide-column store.
D) graph database.

Question 19

NoSQL includes data storage and retrieval:

A) based on the relational model.
B) based on normalized tables.
C) not based on the relational model.
D) not based on data.

Question 20

Big data requires effectively processing:

A) a single data type (numeric).
B) two data types (text and numeric).
C) many data types.
D) a single data type (text).

Question 21

Value (related to the five 'v's' of big data) addresses the pursuit of a meaningful goal.

Question 22

With HDFS it is less expensive to move the execution of computation to data than to move the:

A) data to hardware.
B) data to systems analysis.
C) data to computation.
D) data to processes.

Question 23

________ includes concern about data quality issues.

A) Velocity
B) Vigilant
C) Veracity
D) Variety

Question 24

________ includes the value of speed in a NoSQL database.

A) Velocity
B) Vigilant
C) Verified
D) Variety

Question 25

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

A) large number of slaves.
B) single master server.
C) language library.
D) business intelligence.

Question 26

Big data allows for two different data types (text and numeric).

Question 27

Although volume, variety, and velocity are considered the initial three v dimensions, two additional Vs of big data were added and include:

A) veracity and verified.
B) volume and verified.
C) verified and valuable.
D) veracity and value.

Question 28

NoSQL systems enable automated ________ to allow distribution of the data among multiple nodes to allow servers to operate independently on the data located on it.

A) sharing
B) sharding
C) SQL
D) mongo

Question 29

The Hadoop Distributed File System (HDFS) is the foundation of a ________ infrastructure of Hadoop.

A) relational database management system
B) DBBMS
C) Java
D) data management

Question 30

The primary use of Pig is to:

A) transform raw data into a format that is useful for analysis.
B) query large databases.
C) create large databases.
D) create data warehouses.

Question 31

It is true that in an HDFS cluster the DataNodes are the:

A) large number of slaves.
B) single master servers.
C) language libraries.
D) business intelligences.

Question 32

When reporting and analysis organization of the data is determined when the data is used is called a(n):

A) entity relationship diagram.
B) schema binding.
C) schema on read.
D) cognitive schema.

Question 33

The original three 'v's' attributed to big data include volume, variety, and velocity.

Question 34

Hive uses ________ to query data.

A) SQL
B) HiveQL
C) BeesNest
D) Honeyquery

Question 35

________ includes NoSQL accommodation of various data types.

A) Velocity
B) Vigilant
C) Verified
D) Variety

Question 36

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

A) data dump.
B) data ocean.
C) data lake.
D) data stream.

Question 37

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

A) norm.
B) irregularity.
C) anomaly.
D) inconsistency.

Question 38

The Hadoop framework consists of the ________ algorithm to solve large scale problems.

A) MapSystem
B) MapReduce
C) MapCluster
D) MapComponent

Question 39

________ is an important scripting language to help reduce the complexity of MapReduce.

A) Pig
B) Horse
C) Dog
D) Cat

Question 40

Hive is a(n) ________ data warehouse software.

A) Oracle
B) Microsoft
C) Macintosh
D) Apache

Question 41

NoSQL databases DO NOT support ACID (atomicity, consistency, isolation, and durability).

Question 42

Graph-oriented databases are designed to maintain information regarding the relationships between data items.

Question 43

Word processing documents are commonly stored in a 'document store' NoSQL database model.

Question 44

The target market for Hadoop is small to medium companies using local area networks.

Question 45

Economies of storage indicate data storage costs increase every year.

Question 46

MapReduce is an algorithm for massive parallel processing utilized by Hadoop.

Question 47

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

Question 48

HBASE is a wide-column store database that runs on top of HDFS (modeled after Google).

Question 49

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

Question 50

The dive in anywhere characteristic of a data lake overrides constraints related to confidentiality.

Question 51

The 'schema on read' approach often incorporates JSON or XML.

Question 52

NoSQL focuses on avoidance of replication and minimizing storage space.

Question 53

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

Question 54

Collect everything is a characteristic of a data lake.

Question 55

MongoDB is a proprietary NoSQL database management system created by Oracle.

Question 56

NoSQL stands for 'Not only SQL.'

Question 57

HP HAVEn integrates HP technologies with open source big data technologies.

Question 58

Apache Cassandra is a wide-column NoSQL database management system.

Question 59

A business owner that needs carefully normalized tables would likely need a relational database instead of a NoSQL database.

Question 60

JSON is commonly used in conjunction with the 'document store' NoSQL database model.

Question 61

There are four main types of NoSQL database data models that include key-value stores, document stores, wide-column stores, and graph databases. Provide an example of a NoSQL database management system for each model.

Question 62

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

Question 63

Server logs are considered a big data variety data type.

Question 64

The philosophical underpinnings of big data are based on schema on write.

Question 65

Describe the Five Vs of Big Data.

Question 66

Hive creates MapReduce jobs and executes them on a Hadoop Cluster.

Question 67

There are four main types of NoSQL database data models that include key-value stores, document stores, wide-column stores, and graph databases. Provide a brief description of each.

Question 68

Big data databases tend to sacrifice consistency for availability.

Question 69

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