Q. Which of the following is an indicaton that cluster is ideal?
Ans:- Cluster Status is green
Q. Which of the following is not a reason for node failure?
Ans: None of the optons
Q. What is force merging related to?
Ans:- Reducing the number of segments per shard to enhance search performance
Q. Cluster status is yellow if ___________.
Ans:- A replica shard is missing.
Q. Cluster status is red if __________.
Ans: A primary shard is missing
Q. Why most of the domains have started using Elasticsearch?
Ans. All
Q. When all the data nodes are running low on disk space then the solution is __________?
Ans: Adding more data nodes to the cluster
Q. What is the need for tuning the performance of Elasticsearch?
Ans: Both of the options
Q. What is the disk use limit above which shards are not assigned to nodes by default?
Ans: Greater than 85%
Q. Copying a page of memory to a precongured space in hard disk for freeing up the page of memory is called _____________.
Ans:- Swapping
Q. Which of the following is not a type of node in Elasticsearch?
Ans: Customized node
Q. Why Elasticsearch is called scalable?
Ans: Can handle high loads on system easily
Q. Searching and Indexing performance in Elasticsearch depends upon _________.
Ans: All
Q. More than one node starts behaving as master node during __________.
Ans:- Split Brain syndrome
Q. CRUD operations are accomplished by ____________.
Ans: Data
Q. Creatng too much shards and indices __________.
Ans: Affects the searching and indexing performance
Q. What hinders the performance and cause garbage collection to run for minutes?
Ans: Swapping
Q. node.master is set to true for _____________.
Ans: Master-eligible
Q. nodeTo avoid TOO_MANY_REQUESTS (429) response ___________.
Ans: Use multiple threads while indexing
Q. Search operations on connected clusters is accomplished________________.
Ans: with the help of Tribe node
Q. bootstrap.memory_lock: true _____________.
Ans: Allows swapping process
