Question Bank

What are shards in Elasticsearch?

What does a red cluster health status mean in Elasticsearch?

What is a Document in Elasticsearch?

A single harvester in Filebeat can harvest multiple files according to limits set in filebeat.yml.

When using ELK stack, it is mandatory to use Filebeat for log collection.

Elasticsearch indexes all data in every field with the same data structure for unified query ability.

What are the responsibilities of a master node in Elasticsearch? (Select all that apply)

Which of the following are components of the Elastic Stack? (Select all that apply)

Which of the following are reserved fields in an Elasticsearch document? (Select all that apply)

What are the advantages of defining your own mapping in Elasticsearch? (Select all that apply)

What are the three types of Logstash plugins? (Select all that apply)

What package should you use to convert an integer to a string representation of its numeric value in Go?

What does the `go` keyword do in Go?

What is the file extension for Go source files?

What is the purpose of the `defer` keyword in Go?

How do you create a channel in Go?

What is the difference between buffered and unbuffered channels in Go?

What is the `select` statement used for in Go?

When passing a slice to a function and using `append()`, why doesn't the original slice get modified?

What data structure does Go's `container/heap` package implement?