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Elasticsearch Objective Questions and Answers

Test your skills with Elasticsearch objective questions with answers and detailed explanations. Covers indexing, queries, aggregations, mappings, clusters, performance tuning, and real-world search scenarios.

This Elasticsearch quiz contains carefully curated objective questions with correct answers and clear explanations. It is designed for developers, backend engineers, and interview preparation, covering indexing, querying, aggregation, scaling, and performance optimization techniques.

Practice Elasticsearch MCQs with Detailed Explanations

Answer at least 12 questions to submit.

31
Which query allows optional clauses?
Medium
32
What is the default scoring algorithm?
High
33
What is snapshot used for?
Medium
34
Which API checks cluster health?
Medium
35
What does 'green' cluster status mean?
Medium
36
Which query supports fuzziness?
Medium
37
What is the purpose of index templates?
High
38
Which API deletes an index?
Easy
39
What is fielddata used for?
High
40
What is a nested field?
High
41
Which API updates a document partially?
Medium
42
What is scroll API used for?
High
43
What is the purpose of routing?
High
44
Which feature improves indexing performance?
Medium
45
What happens when a node fails?
Medium
Answered: 0 / 15

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