Q.1 For identification, a node is assigned with an ________.
A. MMID
B. Uniform Resource Locator
C. Uniform Resource Indicator
D. Universally Unique Identifier
Ans : MMID
Q.2 Elasticsearch is a/an ________.
A. Search Engine
B. Analytics Engine
C. Both the options
D. None of the options
Ans : Both the options
Q.3 What is an Index?
A. Collection of types
B. Collection of documents having similar characteristics
C. Collection of documents having non-similar characteristics
D. Collection of nodes
Ans : Collection of documents having similar characteristics
Q.4 Elasticsearch is based on _______ architecture and provides __________ endpoint.
A. REST, API
B. API, REST
C. API, Modern
D. Modern, API
Ans : REST, API
Q.5 What is the upper limit of an index that can be defined in a cluster?
A. There is no upper limit
B. 1000
C. 99
D. 10000
Ans : There is no upper limit
Q.6 Near-Real-Time means __________.
A. Exactly at the same time
B. Few minutes of wait time
C. Slight time lag
Ans : Slight time lag
Q.7 A node is ___________.
A. Machines having Elastic family
B. A single server running the instance of Elasticsearch
C. A group of clusters running the instance of Elasticsearch
D. Servers combined together with instances of Elasticsearch
Ans : A single server running the instance of Elasticsearch
Q.8 A cluster is ____________.
A. Servers connected with each other
B. A collection of nodes
C. Both the options
D. None of the options
Ans : Both the options
Q.9 Replicas is a ___________
A. Copy of the cluster
B. Carbon copy of the data living in a shard
C. Carbon copy of the Index
D. Replacement of the Index
Ans : Carbon copy of the data living in a shard
Q.10 A Shard is the subdivision of the ____________
A. Document
B. Index
C. Nodes
Ans : Index
Q.11 Can we use uppercase to describe an index name?
A. Yes, we can
B. No, we cannot
Ans : No, we cannot
Q.12 Elasticsearch ___________.
A. Exposes complexity
B. Hides complexity
Ans : Hides complexity
Q.13 Elasticsearch may have thousands of nodes.
A. True
B. False
Ans : True
Q.14 Elasticsearch is _____________.
A. Partially scalable
B. Highly scalable
Ans : Highly scalable
Q.15 Elasticsearch is built on the top of __________.
A. Lucene
B. Elastic
C. Python
D. Java
Ans : Lucene
Q.16 Elasticsearch uses _________ as the response.
A. JSON objects
B. XML objects
C. Java objects
D. Avro objects
Ans : JSON objects
Q.17 Who is the key person for the development of Elasticsearch?
A. Ryan Dahl
B. James Gosling
C. Shay Banon
D. Guido van Rossum
Ans : Shay Banon
Q.18 A document is a/an ________.
A. JSON object
B. JavaScript
C. XML object
Ans : JSON object
Q.19 Is a single node cluster possible? If yes, what would be its default name?
A. Yes, Elasticsearch
B. No, not possible
C. Yes, External
D. None of the options
Ans : Yes, Elasticsearch
Q.20 _________ is the default name given to a cluster.
A. Elastic
B. External
C. Elasticsearch1
D. Elasticsearch
Ans : Elasticsearch
Q.21 You can delete an Index using ________.
A. SUDO -XDEL ‘localhost:9200/aliens?pretty&pretty’
B. curl -XDELETE ‘localhost:9200/aliens?pretty&pretty’
C. curl -XDEL ‘localhost:9200/aliens?pretty&pretty’
Ans : curl -XDELETE ‘localhost:9200/aliens?pretty&pretty’
Q.22 Elasticsearch is schemaless.
A. True
B. False
Ans : True