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InfyTQ NoSQL Databases Quiz 1

Question 1

Time: 00:00:00

Which of the following is not a NoSQL database?

SQL Server

MongoDB

Cassandra

None of the mentioned

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Microsoft SQL Server is a relational database management system developed by Microsoft.

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Question 2

Time: 00:00:00

Point out the correct statement.

Documents can contain many different key-value pairs, or key-array pairs, or even nested documents

MongoDB has official drivers for a variety of popular programming languages and development environments

When compared to relational databases, NoSQL databases are more scalable and provide superior performance

All of the mentioned

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There are also a large number of unofficial or community-supported drivers for other programming languages and frameworks.

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Question 3

Time: 00:00:00

Which of the following is a NoSQL Database Type?

SQL

Document databases

JSON

All of the mentioned

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Document databases pair each key with a complex data structure known as a document.

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Question 4

Time: 00:00:00

Which of the following is a wide-column store?

Cassandra

Riak

MongoDB

Redis

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Wide-column stores such as Cassandra and HBase are optimized for queries over large datasets, and store columns of data together, instead of rows

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Question 5

Time: 00:00:00

Point out the wrong statement.

Non Relational databases require that schemas be defined before you can add data

NoSQL databases are built to allow the insertion of data without a predefined schema

NewSQL databases are built to allow the insertion of data without a predefined schema

All of the mentioned

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There’s also no way, using a relational database, to effectively address data that’s completely unstructured or unknown in advance.

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Question 6

Time: 00:00:00

“Sharding” a database across many server instances can be achieved with _______________

LAN

SAN

MAN

All of the mentioned

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“Sharding” a database across many server instances can be achieved with SQL databases, but usually is accomplished through SANs and other complex arrangements for making hardware act as a single server.

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Question 7

Time: 00:00:00

Most NoSQL databases support automatic __________ meaning that you get high availability and disaster recovery.

processing

scalability

replication

all of the mentioned

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The storage environment is essentially virtualized from the developer’s perspective.

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Question 8

Time: 00:00:00

Which of the following are the simplest NoSQL databases?

Key-value

Wide-column

Document

All of the mentioned

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Every single item in the database is stored as an attribute name (or “key”), together with its value in Key-value stores.

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Question 9

Time: 00:00:00

________ stores are used to store information about networks, such as social connections.

Key-value

Wide-column

Document

Graph

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Graph stores include Neo4J and HyperGraphDB.

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Question 10

Time: 00:00:00

NoSQL databases is used mainly for handling large volumes of ______________ data.

unstructured

structured

semi-structured

all of the mentioned

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MongoDB is an atypical choice for unstructured data storage.

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