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ArangoDB - Quiz(MCQ)

ArangoDB : ArangoDB is a free and open-source native graph database system developed by ArangoDB Inc. ArangoDB is a multi-model database system since it supports three data models with one database core and a unified query language AQL(ArangoDB Query Language).

ArangoDB Inc. was founded in 2015 by Claudius Weinberger and Frank Celler. They originally called the database system “A Versatile Object Container", or AVOC for short, leading them to call the database AvocadoDB.

1 .
ArangoDB Inc. was founded in Which Year?
A)
2015
B)
2013
C)
2010
D)
2006

Correct Answer :   2015

Explanation : ArangoDB Inc. was founded in 2015 by Claudius Weinberger and Frank Celler. They originally called the database system “A Versatile Object Container", or AVOC for short, leading them to call the database AvocadoDB. Later, they changed the name to ArangoDB.

2 .
Which of the following is true about ArangoDB?
A)
It is a graph database.
B)
It is a NoSQL database.
C)
It is a relational database.
D)
It is a document-oriented database.

Correct Answer :   It is a document-oriented database.

3 .
ArangoDB is Open-Source?
A)
Yes
B)
No
C)
Front End
D)
None of the above

Correct Answer :   Yes

Explanation : Yes, ArangoDB is open-source.

4 .
ArangoDB supports how many data models?
A)
1
B)
2
C)
3
D)
4

Correct Answer :   3

Explanation : Arango DB supports 3 data models: document, graph, and key-value.

5 .
Which of the following languages is used to query ArangoDB?
A)
SQL
B)
AQL
C)
Cypher
D)
Gremlin

Correct Answer :   AQL

Explanation : ArangoDB uses AQL (ArangoDB Query Language) to query data.

6 .
What types of databases can be created in ArangoDB?
A)
Graph databases
B)
Key-value databases
C)
Document databases
D)
All of the above

Correct Answer :   All of the above

Explanation : ArangoDB supports the creation of document databases, key-value databases, and graph databases.

7 .
____ are storage containers for documents or key-value pairs?
A)
Graphs
B)
Collections
C)
Documents
D)
All of the above

Correct Answer :   Collections

Explanation : Collections are storage containers for documents or key-value pairs.

8 .
______ are JSON objects that hold the real data that you wish to save in ArangoDB
A)
Nodes
B)
Graphs
C)
Documents
D)
Collections

Correct Answer :   Documents

Explanation : Documents are JSON objects that hold the real data that you wish to save in ArangoDB.

9 .
_____ are information networks made up of nodes and connections?
A)
Graphs
B)
Nodes
C)
Containers
D)
Collections

Correct Answer :   Graphs

Explanation : Graphs are information networks made up of nodes and connections.

10 .
What is the default storage engine used by ArangoDB?
A)
LevelDB
B)
RocksDB
C)
WiredTiger
D)
None of the above

Correct Answer :   WiredTiger

Explanation : WiredTiger is the default storage engine used by ArangoDB.

11 .
Which of the following is not a valid data model in ArangoDB?
A)
Graph model
B)
Column-family model
C)
Key-value model
D)
Document model

Correct Answer :   Column-family model

Explanation : Column-family model is not a valid data model in ArangoDB.

12 .
What is the primary benefit of using ArangoDB's multi-model approach?
A)
Better scalability
B)
Simplified development
C)
Increased performance
D)
All of the above

Correct Answer :   All of the above

Explanation : ArangoDB’s multi-model approach provides increased performance, better scalability, and simplified development.

13 .
ArangoDB is written in which programming language?
A)
C
B)
C++
C)
Java
D)
Python

Correct Answer :   C++

Explanation : ArangoDB is written in C++ programming language.

14 .
ArangoDB's microservices framework is called ____?
A)
Foxx
B)
Retin
C)
Karma
D)
None of the above

Correct Answer :   Foxx

Explanation : ArangoDB's microservices framework is called Foxx.

15 .
Which of the following is not a supported programming language for ArangoDB?
A)
Ruby
B)
Java
C)
COBOL
D)
Python

Correct Answer :   COBOL

Explanation : COBOL is not a supported programming language for ArangoDB.

16 .
Which of the following is not a supported operating system for ArangoDB?
A)
Android
B)
Linux
C)
macOS
D)
Windows

Correct Answer :   Android

Explanation : Android is not a supported operating system for ArangoDB.

17 .
Which of the following is not a feature of ArangoDB's Foxx microservices framework?
A)
Dynamic scaling
B)
Map-reduce support
C)
Centralized management
D)
Authentication and authorization

Correct Answer :   Map-reduce support

Explanation : Map-reduce support is not a feature of ArangoDB’s Foxx microservices framework.

18 .
ArangoDB is _______?
A)
Schema independent
B)
Schema dependent
C)
Both (A) and (B)
D)
None of the above

Correct Answer :   Schema independent

Explanation : ArangoDB is schema-free.

19 .
You can use ArangoDB on ______?
A)
On cloud
B)
On-premises
C)
Both (A) and (B)
D)
None of the above

Correct Answer :   Both (A) and (B)

Explanation : You can use ArangoDB on-premises and also on the cloud depending upon the requirement.

20 .
ArangoDB can scale ______.
A)
Vertically
B)
Horizontally
C)
Both (A) and (B)
D)
None of the above

Correct Answer :   Both (A) and (B)

Explanation : ArangoDB can scale both horizontally and vertically.

21 .
ArangoDB is deployed across numerous servers in a ____ arrangement.
A)
Clustered Setup
B)
Single Instance setup
C)
Both (A) and (B)
D)
None of the above

Correct Answer :   Clustered Setup

Explanation : ArangoDB is deployed across numerous servers in a clustered arrangement.

22 .
How many ways are there to upgrade the ArangoDB?
A)
1
B)
2
C)
3
D)
4

Correct Answer :   2

Explanation : There are two ways to upgrade the ArangoDB: in-place upgrade, and logical upgrade.

23 .
Does AQL support data control language (DCL)?
A)
Yes
B)
No
C)
Can Not Say
D)
None of the above

Correct Answer :   No

Explanation : No, AQL does not support data control language (DCL), it is pure DML.

24 .
ArangoDB's key component is the ____, which stores data and processes queries.
A)
ArangoDB storage
B)
ArangoDB handler
C)
ArangoDB server
D)
ArangoDB container

Correct Answer :   ArangoDB server

Explanation : ArangoDB's key component is the ArangoDB server, which stores data and processes queries.

25 .
Are document keys case-sensitive?
A)
Yes
B)
No
C)
Can Not Say
D)
None of the above

Correct Answer :   Yes

26 .
Does AQL support data-definition operations?
A)
Yes
B)
No
C)
Can Not Say
D)
None of the above

Correct Answer :   No

27 .
The hierarchy that data is organized in is ____ in collections and collections in ____?
A)
Database, document
B)
Documents, Database
C)
Can Not Say
D)
None of the above

Correct Answer :   Database, document

Explanation : The hierarchy that data is organized in documents in collections, and collections in databases.

28 .
Documents may be stored as ____ in ArangoDB.
A)
List
B)
Array
C)
CSV objects
D)
JSON objects

Correct Answer :   JSON objects

Explanation : Documents may be stored as JSON objects in ArangoDB.

29 .
Internally, documents are saved in a binary format known as ____.
A)
Index
B)
BinaryIndex
C)
VelocyPack
D)
All of the above

Correct Answer :   VelocyPack

Explanation : Internally, documents are saved in a binary format known as VelocyPack.

30 .
Which of the following is not a valid data type in ArangoDB?
A)
FLOAT
B)
STRING
C)
INTEGER
D)
All of the above are valid data types in ArangoDB.

Correct Answer :   All of the above are valid data types in ArangoDB.

Explanation : All of the above are valid data types in ArangoDB.

31 .
Which of the following is true about ArangoDB’s ACID compliance?
A)
It is fully ACID compliant.
B)
It is not ACID compliant.
C)
It is only partially ACID compliant.
D)
It depends on the storage engine used.

Correct Answer :   It is fully ACID compliant.

Explanation : ArangoDB is fully ACID compliant.

32 .
Which of the following statements about ArangoDB’s sharding functionality is true?
A)
Sharding is not supported by ArangoDB.
B)
Sharding can be done only at the collection level.
C)
Sharding can be done only at the document level.
D)
Sharding can be done at both the document and collection levels.

Correct Answer :   Sharding can be done at both the document and collection levels.

Explanation : Sharding can be done at both the document and collection levels in ArangoDB.

33 .
Which of the following is not a built-in function in ArangoDB's AQL?
A)
SORT
B)
FILTER
C)
REDUCE
D)
All of the above are built-in functions in ArangoDB’s AQL.

Correct Answer :   All of the above are built-in functions in ArangoDB’s AQL.

Explanation : All of the listed functions (FILTER, SORT, REDUCE) are built-in functions in ArangoDB’s AQL.

34 .
Which of the following is true about ArangoDB's full-text search capabilities?
A)
It is not supported.
B)
It is supported for all data models.
C)
It is supported but only for certain data models.
D)
It is supported only for key-value data models.

Correct Answer :   It is supported for all data models.

Explanation : ArangoDB’s full-text search capabilities are supported for all data models.

35 .
Which of the following is not a valid index type in ArangoDB?
A)
Hash index
B)
Skiplist index
C)
Quadtree index
D)
Full-text index

Correct Answer :   Quadtree index

Explanation : Quadtree index is not a valid index type in ArangoDB.

36 .
Every server instance comes with a standard database named ____.
A)
_system
B)
_systemdefault
C)
default_system
D)
None of the above

Correct Answer :   _system.

Explanation : Every server instance comes with a standard database named _system.

37 .
ArangoDB Edges contain two unique attributes: ____ and ____.
A)
_from and _to.
B)
_where and _to.
C)
_from and _group
D)
_from and _where

Correct Answer :   _from and _to.

Explanation : ArangoDB Edges contain two unique attributes: _from and _to.

38 .
Edges in ArangoDB are always ____?
A)
Directed
B)
Undirected
C)
Can Not Say
D)
None of the above

Correct Answer :   Directed

Explanation : Edges in ArangoDB are always directed, which means they point from one vertex to another.

39 .
____ are used to iterate across query results?
A)
Views
B)
Cursors
C)
Indexes
D)
None of the above

Correct Answer :   Cursors

Explanation : Cursors are used to iterate across query results.

40 .
Which of the following method Converts the collection into an array of documents?
A)
doc.Array()
B)
collection.Array()
C)
collection.toArray()
D)
None of the above

Correct Answer :   collection.toArray()

Explanation : collection.toArray() method Converts the collection into an array of documents.

41 .
Which of the following method Returns a cursor after retrieving all documents from a collection?
A)
Doc.all()
B)
collection.all()
C)
document.all()
D)
collection.document()

Correct Answer :   collection.all()

Explanation : collection.all() method Returns a cursor after retrieving all documents from a collection.

42 .
The _key value of a document is ____?
A)
Immutable
B)
Mutable
C)
Can Not Say
D)
None of the above

Correct Answer :   Immutable

Explanation : The _key value of a document is immutable.

43 .
A ____ uniquely identifies a document in the collection it is stored in?
A)
Document handle
B)
Document Revision
C)
Document key
D)
None of the above

Correct Answer :   Document key

Explanation : A document key uniquely identifies a document in the collection it is stored in.

44 .
Which of the following is not a supported client driver for ArangoDB?
A)
C# driver
B)
Java driver
C)
Python driver
D)
Swift driver

Correct Answer :   Swift driver

Explanation : Swift driver is not a supported client driver for ArangoDB.

45 .
Which of the following is not a feature of ArangoDB’s cluster management?
A)
Load balancing
B)
Automatic failover
C)
Centralized configuration
D)
Map-reduce support

Correct Answer :   Map-reduce support

Explanation : Map-reduce support is not a feature of ArangoDB’s cluster management.

46 .
What is the default port used by ArangoDB?
A)
3306
B)
8529
C)
5432
D)
27017

Correct Answer :   8529

Explanation : The default port used by ArangoDB is 8529.

47 .
Which of the following is not a valid method of authentication in ArangoDB?
A)
LDAP
B)
OAuth2
C)
Kerberos
D)
All of the above

Correct Answer :   All of the above

Explanation : All of the listed methods (LDAP, Kerberos, OAuth2) are valid methods of authentication in ArangoDB.

48 .
Which of the following is not a valid method of authorization in ArangoDB?
A)
Policy-based access control
B)
Role-based access control
C)
Content-based access control
D)
Attribute-based access control

Correct Answer :   Content-based access control

Explanation : Content-based access control is not a valid method of authorization in ArangoDB.

49 .
Which of the following is true about ArangoDB's geo-spatial functionality?
A)
It is not supported.
B)
It is supported for all data models.
C)
It is supported only for key-value data models.
D)
It is supported but only for certain data models.

Correct Answer :   It is supported for all data models

Explanation : ArangoDB’s geo-spatial functionality is supported for all data models.

50 .
Which of the following is true about ArangoDB's backup and restore functionality?
A)
It is not supported.
B)
It can only be done manually.
C)
It can be done automatically on a schedule.
D)
It can only be done by exporting and importing data.

Correct Answer :   It can be done automatically on a schedule.

Explanation : ArangoDB’s backup and restore functionality can be done automatically on a schedule.

51 .
Which of the following is not a feature of ArangoDB's graph database functionality?
A)
Support for SPARQL
B)
Traversal queries
C)
Graph visualization
D)
Support for property graphs

Correct Answer :   Support for SPARQL

Explanation : ArangoDB’s graph database functionality does not support SPARQL.

52 .
Which of the following is not a valid query language in ArangoDB?
A)
AQL
B)
Gremlin
C)
Cypher
D)
All of the above

Correct Answer :   Gremlin

Explanation : Gremlin is not a valid query language in ArangoDB.

53 .
Which of the following is not a valid replication factor in ArangoDB?
A)
1
B)
2
C)
3
D)
4

Correct Answer :   4

Explanation : 4 is not a valid replication factor in ArangoDB. Valid replication factors are 1, 2, and 3.

54 .
Which of the following method Return the database name?
A)
db._name()
B)
db._name_of_db()
C)
db._database_name()
D)
None of the above

Correct Answer :   db._name()

Explanation : db.name() method Returns the database name.

55 .
Which of the following method returns the list of all existing databases?
A)
db._list()
B)
db._listdb()
C)
db._databaseslist()
D)
db._databases()

Correct Answer :   db._databases()

Explanation : db._databases() method returns the list of all existing databases.

56 .
Which of the following method is used to drop the database?
A)
db._drop(name)
B)
db._dropDb(name)
C)
db._dropDatabase(name)
D)
None of the above

Correct Answer :   db._dropDatabase(name)

Explanation : db._dropDatabase(name) method is used to drop the database.

57 .
Which of the following is not a valid way to access ArangoDB's web interface?
A)
localhost:8529/_admin
B)
localhost:8529/_api/_admin
C)
localhost:8529/_system/_admin
D)
localhost:8529/_db/_system/_admin

Correct Answer :   localhost:8529/_api/_admin

Explanation : localhost:8529/_api/_admin is not a valid way to access ArangoDB’s web interface.

58 .
Which of the following is not a valid option for ArangoDB's graph traversal functionality?
A)
Depth-first search
B)
Dijkstra’s algorithm
C)
Breadth-first search
D)
Bellman-Ford algorithm

Correct Answer :   Bellman-Ford algorithm

Explanation : Bellman-Ford algorithm is not a valid option for ArangoDB’s graph traversal functionality.

59 .
Which of the following is true about ArangoDB's Foxx framework?
A)
It is a framework for building microservices using Node.js.
B)
It is a framework for building web applications using Ruby.
C)
It is a framework for building mobile applications using Java.
D)
It is a framework for building desktop applications using Python.

Correct Answer :   It is a framework for building microservices using Node.js.

Explanation : ArangoDB’s Foxx framework is a framework for building microservices using Node.js.

60 .
Which of the following is true about ArangoDB's smart graph traversal feature?
A)
It is a feature that allows users to visualize the traversal process.
B)
It is a feature that allows users to define custom traversal algorithms.
C)
It is a feature that is only available in the Enterprise edition of ArangoDB.
D)
It is a feature that automatically selects the best traversal algorithm based on the graph’s properties.

Correct Answer :   It is a feature that automatically selects the best traversal algorithm based on the graph’s properties.

Explanation : ArangoDB’s smart graph traversal feature is a feature that automatically selects the best traversal algorithm based on the graph’s properties.

61 .
Which of the following is true about ArangoDB's satellite collections?
A)
They are collections that are stored on remote servers.
B)
They are collections that are sharded across multiple servers.
C)
They are collections that are replicated across multiple servers.
D)
They are collections that are stored on the same server as the main database.

Correct Answer :   They are collections that are stored on the same server as the main database.

Explanation : ArangoDB’s satellite collections are collections that are stored on the same server as the main database.

62 .
Which of the following is not a valid ArangoDB collection type?
A)
Edge
B)
Index
C)
Vertex
D)
Document

Correct Answer :   Index

Explanation : Index is not a valid ArangoDB collection type.

63 .
A "____" call creates a collection.
A)
db. Create
B)
db. collection
C)
db. Newcollection
D)
db. Createcollection

Correct Answer :   db. Create

Explanation : A "db. create" call creates a collection.

64 .
The default replication factor is ____?
A)
0
B)
1
C)
Less than 10
D)
More than 10

Correct Answer :   1

Explanation : The default replication factor is 1.

65 .
A ____ identifies a document in the database in a unique way.
A)
Document key
B)
Document Revision
C)
Document handle
D)
None of the above

Correct Answer :   Document handle

Explanation : A document handle identifies a document in the database in a unique way.

66 .
____ a collection, removes all documents but keeps all its indexes?
A)
Drop
B)
Delete
C)
Truncate
D)
None of the above

Correct Answer :   Truncate

Explanation : Truncate a collection, removes all documents but keep all its indexes.

67 .
Which of the following is true about ArangoDB's replication capabilities?
A)
It does not support replication.
B)
It only supports master-slave replication.
C)
It only supports master-master replication.
D)
It supports both master-slave and master-master replication.

Correct Answer :   It supports both master-slave and master-master replication.

Explanation : ArangoDB’s replication capabilities support both master-slave and master-master replication.

68 .
Which of the following is true about ArangoDB's document model?
A)
It only supports flat documents.
B)
It supports nested documents.
C)
It does not support nested documents.
D)
It only supports arrays as nested documents.

Correct Answer :   It supports nested documents.

Explanation : ArangoDB’s document model supports nested documents.

69 .
Which of the following is true about ArangoDB's REST API?
A)
It only supports JSON as its data format.
B)
It does not have a REST API.
C)
It only supports XML as its data format.
D)
It supports both JSON and XML as its data format.

Correct Answer :   It only supports JSON as its data format.

Explanation : ArangoDB’s REST API only supports JSON as its data format.

70 .
Which of the following is true about ArangoDB's satellite graph feature?
A)
It does not exist.
B)
It allows users to store a graph in a distributed manner.
C)
It allows users to store parts of a graph on remote servers.
D)
It allows users to store parts of a graph on the same server as the main database.

Correct Answer :   It allows users to store parts of a graph on the same server as the main database.

Explanation : ArangoDB’s satellite graph feature allows users to store parts of a graph on the same server as the main database.

71 .
Which of the following is true about ArangoDB's cluster management capabilities?
A)
It allows users to manage clusters of any size.
B)
It only supports managing clusters of up to 3 servers.
C)
It only supports managing clusters of up to 5 servers.
D)
It only supports managing clusters of up to 7 servers.

Correct Answer :   It allows users to manage clusters of any size.

Explanation : ArangoDB’s cluster management capabilities allow users to manage clusters of any size.

72 .
Which of the following is true about ArangoDB's hot backup feature?
A)
It does not allow users to back up their database.
B)
It is only available in the Enterprise edition of ArangoDB.
C)
It allows users to back up their database without stopping the server.
D)
It only allows users to back up their database when the server is stopped.

Correct Answer :   It allows users to back up their database without stopping the server.

Explanation : ArangoDB’s hot backup feature allows users to back up their database without stopping the server.

73 .
Which of the following is true about ArangoDB's Foxx framework architecture?
A)
It is a monolithic architecture.
B)
It is a microservices architecture.
C)
It is a serverless architecture.
D)
It is a client-server architecture.

Correct Answer :   It is a microservices architecture.

Explanation : ArangoDB’s Foxx framework is a microservices architecture.

74 .
Which of the following is true about ArangoDB's graph traversal algorithms?
A)
They are all deterministic algorithms.
B)
They are all non-deterministic algorithms.
C)
They do not use algorithms to traverse the graph.
D)
Some are deterministic and some are non-deterministic.

Correct Answer :   Some are deterministic and some are non-deterministic.

Explanation : Some of ArangoDB’s graph traversal algorithms are deterministic and some are non-deterministic.